How Axel works

The best airlines for families

Updated October 26, 2026 · Data: Airline websites, Axel, U.S. Department of Transportation · How this guide was made

The short answer

Alaska (incl. Hawaiian) scores best for families among U.S. airlines, then American and JetBlue: all three guarantee free seats together for young children on every fare, check a stroller and car seat free and include a carry-on. Of the 11 U.S. airlines (counting Alaska and Hawaiian as one), 5 promise free seats together on every fare: American, Alaska (incl. Hawaiian), JetBlue, Frontier and Avelo. Delta, United, Southwest, Allegiant, Sun Country and Breeze only promise to try. Among airlines based abroad, SAS leads.

Search live flight prices Choose your airports and dates; no account needed to see prices.

airlines checked guarantee free seats together for young children on every fare
16 of 45
U.S. airlines with that guarantee: American, Alaska (incl. Hawaiian), JetBlue, Frontier, Avelo
5 of 11
of the adult fare plus taxes: what American, Delta and Alaska charge for a lap infant on long-haul international flights (domestic is free) 1,2,3
10%

How these picks work

Families lose money and patience in three places: paying to sit together, paying for bags and seats, and delays. These picks weight free seating together most (30%), then fees (30%), reliability (20%) and the extras that make flying with small children easier. Policies were checked on airline websites on Oct 26, 2026; scores come from facts, not opinions, and the rating behind each airline is on its Axel rating page 4.

Best U.S. airlines for families

Top U.S. airlines

  1. 1

    Alaska (incl. Hawaiian)

    Score 8.5/10. Strongest on seats together for kids and carry-on in the lowest fare; weakest on bag and seat fees. 56

    Seats together for kids:
    Guaranteed free on every fare
    Bag and seat fees:
    First checked bag $45, seats: partly free
    Carry-on in the lowest fare:
    Included in the cheapest fare
    Strollers and car seats:
    Stroller and car seat free
    Family boarding:
    no data (scored at the median)
  2. 2

    American

    Score 7.6/10. Strongest on seats together for kids and carry-on in the lowest fare; weakest on bag and seat fees. 7

    Seats together for kids:
    Guaranteed free on every fare
    Bag and seat fees:
    First checked bag $45 to $50 online, seats: fee on the cheapest fare
    Carry-on in the lowest fare:
    Included in the cheapest fare
    Strollers and car seats:
    Stroller and car seat free
    Family boarding:
    Yes, children under 2
  3. 3

    JetBlue

    Score 7.2/10. Strongest on seats together for kids and carry-on in the lowest fare; weakest on reliability. 89

    Seats together for kids:
    Guaranteed free on every fare
    Bag and seat fees:
    First checked bag $45 to $49, seats: fee on the cheapest fare
    Carry-on in the lowest fare:
    Included in the cheapest fare
    Strollers and car seats:
    Stroller and car seat free
    Family boarding:
    With a car seat or stroller
  4. 4

    Avelo

    Score 6.8/10. Strongest on seats together for kids and strollers and car seats; weakest on carry-on in the lowest fare. 1011

    Seats together for kids:
    Guaranteed free on every fare
    Bag and seat fees:
    First checked bag $47 to $75, seats: fee on the cheapest fare
    Carry-on in the lowest fare:
    Not in the cheapest fare
    Strollers and car seats:
    Stroller and car seat free
    Family boarding:
    Yes, children under 2
  5. 5

    Frontier

    Score 6.5/10. Strongest on seats together for kids and strollers and car seats; weakest on carry-on in the lowest fare. 1213

    Seats together for kids:
    Guaranteed free on every fare
    Bag and seat fees:
    First checked bag varies by route and date, seats: fee on the cheapest fare
    Carry-on in the lowest fare:
    Not in the cheapest fare
    Strollers and car seats:
    Stroller and car seat free
    Family boarding:
    Yes, children under 2

Best foreign airlines for families

Top airlines based outside the U.S., for trips abroad

  1. 1

    SAS

    Score 8.9/10. Strongest on seats together for kids and carry-on in the lowest fare; weakest on bag and seat fees. 1415

    Seats together for kids:
    Guaranteed free on every fare
    Bag and seat fees:
    First checked bag costs extra on the cheapest fare, seats: fee on the cheapest fare
    Carry-on in the lowest fare:
    Included in the cheapest fare
    Strollers and car seats:
    Stroller and car seat free
    Family boarding:
    Yes
  2. 2

    Emirates

    Score 8.3/10. Strongest on seats together for kids and carry-on in the lowest fare. 1617

    Seats together for kids:
    Guaranteed free on every fare
    Bag and seat fees:
    First checked bag included, seats: fee on the cheapest fare
    Carry-on in the lowest fare:
    Included in the cheapest fare
    Strollers and car seats:
    One item free (stroller or car seat)
    Family boarding:
    Yes
  3. 3

    Air France

    Score 8.2/10. Strongest on seats together for kids and carry-on in the lowest fare; weakest on bag and seat fees. 18

    Seats together for kids:
    Guaranteed free on every fare
    Bag and seat fees:
    First checked bag costs extra on the cheapest fare, seats: fee on the cheapest fare
    Carry-on in the lowest fare:
    Included in the cheapest fare
    Strollers and car seats:
    Stroller and car seat free
    Family boarding:
    Yes
  4. 4

    Copa Airlines

    Score 8.2/10. Strongest on seats together for kids and carry-on in the lowest fare; weakest on bag and seat fees. 1920

    Seats together for kids:
    Guaranteed free on every fare
    Bag and seat fees:
    seats: fee on the cheapest fare
    Carry-on in the lowest fare:
    Included in the cheapest fare
    Strollers and car seats:
    One item free (stroller or car seat)
    Family boarding:
    no data (scored at the median)
  5. 5

    Iberia

    Score 8.0/10. Strongest on seats together for kids and carry-on in the lowest fare; weakest on bag and seat fees. 2122

    Seats together for kids:
    Guaranteed free on every fare
    Bag and seat fees:
    seats: fee on the cheapest fare
    Carry-on in the lowest fare:
    Included in the cheapest fare
    Strollers and car seats:
    One item free (stroller or car seat)
    Family boarding:
    no data (scored at the median)

Which airlines guarantee families can sit together for free?

16 of the 45 airlines checked promise to seat young children next to an adult at no extra charge on every fare, basic economy included. Among U.S. airlines that is American, Alaska (incl. Hawaiian), JetBlue, Frontier, Avelo. Delta, United, Southwest, Allegiant, Sun Country and Breeze only promise to try, which matches the U.S. DOT's own dashboard 23. There is no federal rule yet: the DOT proposed one in August 2024 and has not finalized it.

Family seating promises
AirlinePromiseWhat the airline says
AmericanGuaranteed on every fareChildren under 15 on the same reservation are auto-seated beside at least one adult before travel day, Basic Economy included, if the family books together and picks... 7
DeltaBest effortDelta 'strives' to seat families together on request. Main Basic fares carry no guarantee of sitting with family; parents of a young child are told to call Reservations.... 24
UnitedBest effortChildren under 12, Basic Economy included: the first adult may pick seats beside up to two children free when open seats exist. Not a hard guarantee; free flight switch... 25
SouthwestBest effortSouthwest will 'endeavor' to seat a child 12 or under beside one companion 13+ on the same reservation at no cost. Basic fares get seats at check-in; agents offer the... 26
Alaska (incl. Hawaiian)Guaranteed on every fareChildren 13 and under sit next to at least one adult free, Saver fares included, if on one reservation, seats chosen or skipped for all, adjacent seats existed at... 5
JetBlueGuaranteed on every fareFree adjacent seats guaranteed for children under 13 and an adult, Main Base included, if on one reservation, seats picked or skipped for all, adjacent seats existed at... 8
FrontierGuaranteed on every fareFree adjacent seats for kids 13 and under plus an accompanying adult on every fare, if on one booking, seats are open at booking and the adult makes no seat changes.... 12
AllegiantBest effortNo guarantee: Allegiant says it tries to seat families together but cannot promise it. Advance seats cost a fee; otherwise seats are assigned at check-in. DOT's... 27
Sun CountryBest effortSun Country recommends paying for advance seats; without them, free random seats come at check-in and it tries to seat each child with at least one adult on the booking... 28
BreezeBest effortFree Family Seating for travellers with children 2-12: standard-section seats for up to two adults with one child, or one adult per child. Subject to availability and... 29
AveloGuaranteed on every fareAvelo commits that children 14 and under sit with an accompanying adult at no extra cost if on one booking and the adult picks or skips seats for everyone; if no... 10
HawaiianGuaranteed on every fareChildren 13 and under sit next to at least one adult free, Saver fares included, if on one reservation, seats chosen or skipped for all, adjacent seats existed at... 5
Air CanadaGuaranteed on every fareAir Canada promises kids under 14 sit close to a parent at no charge: it pre-assigns nearby seats before check-in, and if it cannot, you may switch flights or cancel... 30
WestJetGuaranteed on every fareWestJet auto-assigns free seats for groups with a child under 14 on all bookings. If it still cannot seat you nearby, you may move to the next flight with fare... 31
Porter AirlinesBest effortPorter auto-reserves seats about 24 h before departure 'where possible' and makes reasonable efforts to seat each child under 14 with an adult; adjoining seats requested... 32
AeromexicoNot statedNo family-seating promise found on Aeromexico's US-English passenger, infant or trip-extras pages; seats are sold as extras (AM Plus, kits). Branded-fare page would not... 33
VolarisOnly with a paid seatVolaris sells seat selection per passenger per flight and its seat page makes no promise to seat children with adults; only exit-row limits for infants and minors are... 34
Viva AerobusOnly with a paid seatViva's minors pages promise no free adjacent seating; children 2-17 buy full seats, and a paid seat for a baby next to the parent can be reserved only via customer... 35
Copa AirlinesGuaranteed on every fareCopa's seat-assignment terms grant children under 12 a free seat close to a parent or guardian at check-in; on Canada flights under-14s get a free seat next to a parent.... 19
AviancaOnly with a paid seatAvianca's help center sells seat selection as an extra when the fare excludes it and advises buying the child's seat too if you upgrade yours; no free adjacent-seating... 36
LATAM AirlinesGuaranteed on every fareFor a child with their own seat, LATAM randomly assigns two adjacent seats (child plus one adult on the booking) free 48 hours before departure; choosing specific seats... 37
British AirwaysGuaranteed on every fareBA says every child under 12 is seated with an accompanying adult even without paid seats; others may be split. Seat selection is free for the whole booking (up to 9)... 38
Virgin AtlanticNot statedCurrent help pages only promise a free seat at check-in in Economy and say bassinet-row families are seated as close as possible; no explicit commitment to seat children... 39
LufthansaBest effortLufthansa will do its best to seat children 2-11 beside an adult, assigning seats free at check-in; guaranteed adjacency needs paid seats. Canada flights add a... 40
Air FranceGuaranteed on every fareAir France seats children 2-11 next to their accompanying adult in a standard seat at no charge, assigned by departure day at the latest. Some seats are held for... 18
KLMGuaranteed on every fareKLM assigns family seats free at check-in and says children under 12 always sit next to an adult on the booking (14 and under on Canada flights, 15 and under on Brazil... 41
Aer LingusBest effortWithout paid seats, Aer Lingus allocates seats at check-in and says it will do its best to seat companions together, especially with children, subject to remaining... 42
IberiaGuaranteed on every fareIberia guarantees that on bookings with children aged 2-12 at least one companion is automatically seated in the same or an adjacent row; paying to pick seats is... 21
TAP Air PortugalBest effortTAP auto-assigns free Standard-area seats at ticketing to adults and children on the same booking, on every fare. Adjacency is explicitly promised only on Brazil flights... 43
SwissOnly with a paid seatSWISS pages only suggest families reserve (paid) seats to sit together; no free child-adjacency promise was found except the Italian ENAC rule (free adjacent seats at... 44
SASGuaranteed on every fareSAS says it always seats children under 12 with an adult on the booking; seats are auto-assigned free 30 hours before departure. Advance seat choice costs extra. 14
IcelandairBest effortIcelandair does its best to seat families together and children beside parents; guaranteed adjacency needs paid seats for adults, but Economy seat selection is free for... 45
Turkish AirlinesNot statedTurkish Airlines' infant, child and FAQ pages loaded state no policy on seating children next to parents; seats (including bassinet-row extra-legroom seats) are sold... 46
EmiratesGuaranteed on every fareChildren under 13 are guaranteed a seat beside an accompanying adult at no charge (under 16 on Brazil routes). Bookings with an infant pay nothing for regular, bassinet... 16
Qatar AirwaysNot statedAnyone travelling with an infant can pick seats free for everyone in the same booking. No adjacent-seat promise is published for families with only older children... 47
Etihad AirwaysBest effortEtihad tries to seat families together but advises buying advance seats (free only on Comfort/Deluxe fares); otherwise seats are auto-assigned. Free adjacent seating for... 48
Korean AirBest effortNo general family-seating guarantee published. Economy seats can be requested free from booking until 48 h before departure; on Canada routes, children under 14 are... 49
ANA (All Nippon Airways)Best effortNo published family-seating guarantee. Free advance seat selection on most fares (some economy booking classes pay for seats); bookings with an infant in its own seat... 50
Japan AirlinesNot statedNo general family-seating guarantee published. An infant on a child fare must sit next to the accompanying adult. On domestic routes JAL offers 'Preferred Seats for... 51
EVA AirOnly with a paid seatNo family-seating guarantee published. Economy Discount and Basic fares pay for advance seat selection (free at online check-in within 48 h); Standard and Up fares... 52
Cathay PacificBest effortIn Economy, passengers travelling with a child or infant under 12 in the same booking can reserve preferred and regular seats free in advance (extra-legroom seats still... 53
Singapore AirlinesBest effortPassengers travelling with young children in the same booking can select standard seats free on a first-come basis (exit rows excluded). Families with two or more... 54
Asiana AirlinesNot statedNo family-seating guarantee published. International advance seat selection runs from 360 days to 48 h before departure; Asiana warns selection can be limited by ticket... 55
QantasOnly with a paid seatNo family seating commitment found on Qantas US seat pages. Qantas Frequent Flyer members (children may join) get free standard seat selection on Qantas flights... 56
China AirlinesOnly with a paid seatNo family-seating guarantee; sitting together depends on availability. Basic and Discount economy fares pay for standard seats in advance (free at check-in within 48 h).... 57

Lap infants, child fares and unaccompanied minors

Children under 2 fly free on a parent's lap on U.S. domestic flights on every U.S. airline. On long-haul international flights, most airlines charge about 10% of the adult fare plus taxes 1,2,3. Short international trips are often cheaper: American charges only taxes between the U.S. and Canada, Mexico or the Caribbean, United charges taxes only or 10% to Canada and Mexico depending on the fare, and JetBlue charges taxes only on every route 25,58. Discounted child fares for ages 2 to 11 are rare in the U.S. but common on European and Asian airlines (Lufthansa, ANA and JAL charge 75% of the adult fare).

Infants and children
AirlineLap infant, internationalChild fare (2-11)Unaccompanied minors
American10% of adult fare + taxesNoneUSD 150 each way plus 7% US tax; one fee covers siblings on the flight. Ages 5-7 nonstop only; 8-17 may connect via nine hubs. No... 59
Delta~10% of adult fare + taxesNoneUSD 150 each way covers up to four siblings. Ages 5-7 on some nonstops only; 8-14 nonstop or connecting. No last connection of... 60
UnitedVaries by destination + taxesNoneFee USD 150 one way covers one or two children (USD 300 for 3-4, 450 for 5-6). Nonstop United or United Express flights only... 61
SouthwestTaxes and fees onlyNoneRequired for ages 5-11: USD 100 one way per child on the mainland, USD 35 between Hawaiian islands, charged for each child.... 62
Alaska (incl. Hawaiian)10% of adult fare + taxesNoneJunior Jetsetters: USD 100 each way covers up to two children on one reservation (USD 50 within Hawaii), for tickets booked from... 63
JetBlueTaxes and fees onlyNoneRequired for ages 5 to under 14; USD 150 per child each way. Nonstop JetBlue flights only (no connections, same-plane stops or... 64
FrontierTaxes and fees onlyNoneNo unaccompanied-minor service since Nov 1, 2018. Children under 15 must be on the same reservation as an accompanying adult, so... 12
AllegiantNot statedNoneNo unaccompanied-minor service. Children 14 and under must fly with someone 15+ on the same booking; ages 15-17 may fly alone... 27
Sun CountryTaxes and fees onlyNoneNo unaccompanied-minor program. Must be 15+ to fly alone domestically and 18+ internationally; a 15-17-year-old may accompany one... 28
BreezeTaxes and fees onlyNoneNo unaccompanied-minor service. Under-13s must fly with an adult 18+. Ages 13-17 may fly alone only on domestic nonstop flights... 65
Avelon/aNoneNo unaccompanied-minor service: Avelo will not book children 14 or younger alone. Minimum age to fly alone is 15; they must... 66
British AirwaysDiscounted (rate not published)Not statedNo unaccompanied-minor service. Under-14s must fly with someone 16+. Ages 14-15 may fly alone as Young Persons Travelling Alone... 67
Lufthansa10% of adult fare75% of adult fareCare service mandatory for ages 5-11 flying alone (unless with someone 12+), optional for 12-17. Fee per child per segment from... 68
Air France10% of adult fareDiscount variesKids Solo is mandatory, and included in the ticket price, for ages 5-14 on international flights (4-11 within France). Optional... 69
KLMDiscounted (rate not published)Discounted (rate not published)UM service mandatory for ages 5-14 flying alone (or in a different cabin from the adult), optional 15-17. Cost: adult fare plus... 70
EmiratesDiscounted (rate not published)Discounted (rate not published)Children 5-11 flying alone must use the service and pay an adult fare. Ages 12-15 may fly alone or add it for USD 50 per sector.... 71
Qatar AirwaysDiscounted (rate not published)Not statedYoung solo traveller service is mandatory for 5-11s flying without someone 16+ and optional for 12-15s. The child pays an adult... 47
ANA (All Nippon Airways)10% of adult fare75% of adult fareANA Junior Pilot is required for ages 5-11 flying alone internationally (5-13 to/from Mexico City), booked by phone. Ages 12-16... 72
Japan Airlines10% of adult fare75% of adult fareChildren 5-11 traveling alone internationally must book through the JAL Contact Center at an adult fare with a signed consent... 51
Air Canada10% of adult fare + taxesDiscount variesUM service mandatory for ages 8-11 and optional for 12-17; under-8s must fly with someone 16+. CAD/USD 100-118 each way, nonstop... 73
AeromexicoDiscounted (rate not published)Not statedMandatory for ages 5-14 (5-7 not on Delta connections), optional 15-17, under 5 not accepted. Mexico domestic MXN 900-945... 74

Strollers, car seats, bassinets and boarding

Baby gear and boarding
AirlineStrollers and car seatsBassinetsFamily boarding
AmericanTravelers with a child check one stroller and one car seat free, at counter or gate. Non-collapsible strollers and... 7Offered, no fee statedYes, under 2
DeltaStrollers and child safety seats are outside the bag allowance and check free at curb, counter or gate. Car seats can... 75FreeYes, with a car seat or stroller
UnitedCheck one car seat and one stroller or folding wagon per child free at gate or counter; large or non-collapsible ones... 25FreeYes, under 2
SouthwestEach ticketed customer with a child checks one stroller and one car seat free at curb, counter or gate. Gate-checked... 76None mentionedNo
Alaska (incl. Hawaiian)A child's car seat and stroller fly free as checked bags, at counter or gate. Child stroller-wagons collapsing under 90... 6Fee: buy Premium Class row-14 seat to reserveNot stated
JetBlueOne stroller and one car seat per child fly free outside bag allowances; check at the counter or gate-check at the jet... 9None mentionedYes, with a car seat or stroller
FrontierFrontier's FAQ says strollers and car seats check free; strollers can go to the gate and be gate-checked. FAA-labelled... 13None mentionedYes, under 2
AllegiantEach fare-paying passenger may check or gate-check one car seat and one stroller free. Onboard car seats must be... 27None mentionedYes, with a car seat or stroller
Sun CountryOne stroller or qualifying stroller wagon per child checks free at counter or gate, outside the bag allowance. Car... 28None mentionedNot stated
BreezeOne stroller (or foldable wagon; double stroller for two kids) and one car seat or booster per child check free at... 77None mentionedYes
AveloOne stroller and one child restraint per customer travel free and outside the checked-bag allowance. Only FAA-labelled... 11None mentionedYes, under 2
British AirwaysEach infant or child may check two essential extras free (pushchair, car/booster seat, travel cot, back carrier), even... 78FreeYes
LufthansaOne free item per child: a foldable stroller, pram or carrier checked, or a car seat as an extra cabin item. A pocket... 79FreeYes
Air FranceOn any fare, one stroller (or framed back carrier) and one car seat go in the hold free. A fully foldable stroller up... 18Fee: paid seat option to guaranteeYes
KLMOne buggy, stroller or back carrier plus one car seat or CARES per child free. Strollers over 55x45x25 cm or 10 kg are... 41Offered, no fee statedNot stated
EmiratesInfant tickets include one fully collapsible stroller, portable bassinet or car seat free, carried on board if space... 17FreeYes
Qatar AirwaysInfants get one stroller or collapsible carrycot free on top of their bag allowance; infants with their own seat also... 47FreeYes, under 2
Singapore AirlinesInfants may check a fully collapsible stroller and a car seat beyond their allowance. A compact stroller under 7 kg... 54Offered, no fee statedNot stated
QantasInfants get three extra checked items (e.g. stroller, cot), children two (e.g. car seat, stroller). A cabin stroller up... 80Fee: bassinet seat in international EconomyYes, under 2 (international)

Every airline compared

U.S. airlines: 11 scoredScores out of 10 on the criteria above.
AirlineScoreSeats togetherLap infant, internationalStrollers / car seatsUnaccompanied minors
Alaska (incl. Hawaiian)8.5Guaranteed free on every fare10% of adult fare + taxesBoth freeMandatory 5-12; optional 13-17; USD 100 one way (covers up...
American7.6Guaranteed free on every fare10% of adult fare + taxesBoth freeMandatory 5-14; optional 15-17; USD 150 one way
JetBlue7.2Guaranteed free on every fareTaxes and fees onlyBoth freeMandatory 5-13; USD 150 one way per child
Avelo6.8Guaranteed free on every faren/aBoth freeNot offered; minimum solo age 15
Frontier6.5Guaranteed free on every fareTaxes and fees onlyBoth freeNot offered; minimum solo age 15
Delta6.3Best effort only~10% of adult fare + taxesBoth freeMandatory 5-14; optional 15-17; USD 150 one way
Breeze5.8Best effort onlyTaxes and fees onlyBoth freeNot offered; minimum solo age 13 (domestic nonstop only)
United5.7Best effort onlyVaries by destination + taxesBoth freeMandatory 5-14; optional 15-17; USD 150 one way (covers 1-2...
Southwest5.1Best effort onlyTaxes and fees onlyBoth freeMandatory 5-11; USD 100 one way per child
Allegiant5.1Best effort onlyNot statedBoth freeNot offered; minimum solo age 15
Sun Country5.1Best effort onlyTaxes and fees onlyBoth freeNot offered; minimum solo age 15 (18 international)

Source: Airline policy pages checked Oct 26, 2026; Axel airline ratings 4

Airlines based abroad: 27 scoredScored on the same criteria; reliability and fare data for these airlines come from different sources than the U.S. figures.
AirlineScoreSeats togetherLap infant, internationalStrollers / car seatsUnaccompanied minors
SAS8.9Guaranteed free on every fareFree to 10% of adult fare (by...Both freeMandatory 5-11; optional 12-15; included if booked as UM...
Emirates8.3Guaranteed free on every fareDiscounted (rate not published)One item freeMandatory 5-11 (adult fare, no extra fee); optional 12-15...
Air France8.2Guaranteed free on every fare10% of adult fareBoth freeMandatory 5-14 (included in fare); optional 15-17 USD...
Copa Airlines8.2Guaranteed free on every fare10% of adult fare + taxesOne item freeMandatory 5-14; optional 15-17; USD 150 one way...
Iberia8.0Guaranteed free on every fare10-30% of adult fareOne item freeMandatory 5-11; optional 12-17; USD 180 direct / USD 215...
LATAM Airlines8.0Guaranteed free on every fare10% of adult fare + taxesOne item freeMandatory 8-11; optional 12-17; USD 150 long-haul / USD 130...
KLM7.6Guaranteed free on every fareDiscounted (rate not published)Both freeMandatory 5-14; optional 15-17; adult fare + EUR 100-300...
British Airways7.6Guaranteed free on every fareDiscounted (rate not published)Both freeNot offered; minimum solo age 14
Cathay Pacific7.3Best effort onlyDiscounted (rate not published)Not statedMandatory 6-11; optional 12-17; USD 150 per sector...
WestJet7.2Guaranteed free on every fareTaxes and fees onlyBoth freeMandatory 8-11; optional 12-17; about 100-118 one way...
Air Canada7.2Guaranteed free on every fare10% of adult fare + taxesBoth freeMandatory 8-11; optional 12-17; CAD/USD 100-118 one way
Singapore Airlines7.1Best effort onlyNot statedBoth freeMandatory 5-11; optional 12-17; fee not published
ANA (All Nippon Airways)7.1Best effort only10% of adult fareStroller free; car seat not...Mandatory 5-11 (adult fare); optional airport support...
Korean Air7.0Best effort only10% of adult fareBoth freeMandatory 5-11; optional 12-16; USD 150 / USD 200 per...
Icelandair6.6Best effort onlyUp to 90% off adult fareBoth freeMandatory 5-11; optional 12-15; fee not published
Etihad Airways6.2Best effort onlyNot statedOne item freeMandatory 5-11 (free if pre-booked, adult fare); optional...
Lufthansa6.0Best effort only10% of adult fareOne item freeMandatory 5-11; optional 12-17; EUR 85-150 (USD 95-170) per...
China Airlines5.7Pay for seats to sit togetherNot statedOne item freeMandatory 5-11 (adult fare); optional 12-17 airport help...
Qantas5.6Pay for seats to sit together10% of adult fare + taxesBoth freeMandatory 5-11; optional 12-15; USD 75-90 one way...
EVA Air5.5Pay for seats to sit togetherNot statedOne item freeMandatory under 12 (ages 5-12 accepted); UM fare, charge...
Aer Lingus5.5Best effort only10% of adult fare + taxesBoth freeNot offered; ages 12-15 may fly alone on direct flights
TAP Air Portugal5.4Best effort onlyNot statedOne item freeMandatory 5-11; optional 12-17; EUR 65-160 (USD 82-193) per...
Avianca5.2Pay for seats to sit together10% of adult fare + taxesBoth freeNot offered; minimum solo age 15
Porter Airlines4.6Best effort onlyTaxes and fees onlyBoth freeMandatory 8-11; optional 12-17; CAD/USD 100-115 one way
Swiss4.5Pay for seats to sit together10% of adult fareOne item freeMandatory 5-11; optional 12-17; USD 95-170 per leg
Volaris4.1Pay for seats to sit togetherFreeStroller freeMandatory 5-12; optional 13-17; fee not confirmed
Viva Aerobus4.0Pay for seats to sit togetherFreeOne item freeNot offered; minimum solo age 14

Source: Airline policy pages checked Oct 26, 2026; Axel airline ratings 4

Not scored, for lack of data on a main criterion: Aeromexico, Virgin Atlantic, Turkish Airlines, Qatar Airways, Japan Airlines, Asiana Airlines.

Questions travelers ask

Which airlines guarantee families can sit together for free?

American, Alaska (incl. Hawaiian), JetBlue, Frontier, Avelo among U.S. airlines, on every fare including basic economy; 16 of the 45 airlines Axel checked make the promise. Delta, United, Southwest, Allegiant, Sun Country and Breeze only promise to try 23.

Do airlines have to seat families together?

Not yet. The U.S. DOT proposed a rule in August 2024 requiring free adjacent seats for children 13 and under, but it has not been finalized; until then it depends on each airline's own promise.

Do babies fly free?

On a parent's lap on U.S. domestic flights, yes, on every U.S. airline. On long-haul international flights most airlines charge about 10% of the adult fare plus taxes 1,2,3; to Canada, Mexico and the Caribbean, American and JetBlue charge only taxes.

Can I bring a stroller and car seat for free?

Yes on every U.S. airline, which check both free. Several foreign airlines allow only one of the two free: Viva Aerobus, Copa Airlines, LATAM Airlines, Lufthansa, Iberia, TAP Air Portugal, Swiss, Emirates, Etihad Airways, EVA Air, Asiana Airlines, China Airlines.

How this guide was made

Each airline's score is the weighted average of the criteria above, each on a 0-to-10 scale. An airline missing a criterion worth 25% or more of the score is left unscored; a smaller gap takes the median of the airlines compared, so missing data can't raise a score. Facts come from each airline's own policy pages (checked Oct 26, 2026), the Bureau of Transportation Statistics, and Axel's airline ratings 4. Spirit Airlines, which stopped flying on May 2, 2026, is not included.

Sources

  1. American policy page, Airline websites, checked October 26, 2026
  2. Delta policy page, Airline websites, checked October 26, 2026
  3. Alaska (incl. Hawaiian) policy page, Airline websites, checked October 26, 2026
  4. Axel airline ratings: every airline Axel's travelers fly, scored out of 10, Axel, October 26, 2026
  5. Alaska (incl. Hawaiian) policy page, Airline websites, checked October 26, 2026
  6. Alaska (incl. Hawaiian) policy page, Airline websites, checked October 26, 2026
  7. American policy page, Airline websites, checked October 26, 2026
  8. JetBlue policy page, Airline websites, checked October 26, 2026
  9. JetBlue policy page, Airline websites, checked October 26, 2026
  10. Avelo policy page, Airline websites, checked October 26, 2026
  11. Avelo policy page, Airline websites, checked October 26, 2026
  12. Frontier policy page, Airline websites, checked October 26, 2026
  13. Frontier policy page, Airline websites, checked October 26, 2026
  14. SAS policy page, Airline websites, checked October 26, 2026
  15. SAS policy page, Airline websites, checked October 26, 2026
  16. Emirates policy page, Airline websites, checked October 26, 2026
  17. Emirates policy page, Airline websites, checked October 26, 2026
  18. Air France policy page, Airline websites, checked October 26, 2026
  19. Copa Airlines policy page, Airline websites, checked October 26, 2026
  20. Copa Airlines policy page, Airline websites, checked October 26, 2026
  21. Iberia policy page, Airline websites, checked October 26, 2026
  22. Iberia policy page, Airline websites, checked October 26, 2026
  23. Airline Customer Service Dashboard (family seating and delay commitments), U.S. Department of Transportation
  24. Delta policy page, Airline websites, checked October 26, 2026
  25. United policy page, Airline websites, checked October 26, 2026
  26. Southwest policy page, Airline websites, checked October 26, 2026
  27. Allegiant policy page, Airline websites, checked October 26, 2026
  28. Sun Country policy page, Airline websites, checked October 26, 2026
  29. Breeze policy page, Airline websites, checked October 26, 2026
  30. Air Canada policy page, Airline websites, checked October 26, 2026
  31. WestJet policy page, Airline websites, checked October 26, 2026
  32. Porter Airlines policy page, Airline websites, checked October 26, 2026
  33. Aeromexico policy page, Airline websites, checked October 26, 2026
  34. Volaris policy page, Airline websites, checked October 26, 2026
  35. Viva Aerobus policy page, Airline websites, checked October 26, 2026
  36. Avianca policy page, Airline websites, checked October 26, 2026
  37. LATAM Airlines policy page, Airline websites, checked October 26, 2026
  38. British Airways policy page, Airline websites, checked October 26, 2026
  39. Virgin Atlantic policy page, Airline websites, checked October 26, 2026
  40. Lufthansa policy page, Airline websites, checked October 26, 2026
  41. KLM policy page, Airline websites, checked October 26, 2026
  42. Aer Lingus policy page, Airline websites, checked October 26, 2026
  43. TAP Air Portugal policy page, Airline websites, checked October 26, 2026
  44. Swiss policy page, Airline websites, checked October 26, 2026
  45. Icelandair policy page, Airline websites, checked October 26, 2026
  46. Turkish Airlines policy page, Airline websites, checked October 26, 2026
  47. Qatar Airways policy page, Airline websites, checked October 26, 2026
  48. Etihad Airways policy page, Airline websites, checked October 26, 2026
  49. Korean Air policy page, Airline websites, checked October 26, 2026
  50. ANA (All Nippon Airways) policy page, Airline websites, checked October 26, 2026
  51. Japan Airlines policy page, Airline websites, checked October 26, 2026
  52. EVA Air policy page, Airline websites, checked October 26, 2026
  53. Cathay Pacific policy page, Airline websites, checked October 26, 2026
  54. Singapore Airlines policy page, Airline websites, checked October 26, 2026
  55. Asiana Airlines policy page, Airline websites, checked October 26, 2026
  56. Qantas policy page, Airline websites, checked October 26, 2026
  57. China Airlines policy page, Airline websites, checked October 26, 2026
  58. JetBlue policy page, Airline websites, checked October 26, 2026
  59. American policy page, Airline websites, checked October 26, 2026
  60. Delta policy page, Airline websites, checked October 26, 2026
  61. United policy page, Airline websites, checked October 26, 2026
  62. Southwest policy page, Airline websites, checked October 26, 2026
  63. Alaska (incl. Hawaiian) policy page, Airline websites, checked October 26, 2026
  64. JetBlue policy page, Airline websites, checked October 26, 2026
  65. Breeze policy page, Airline websites, checked October 26, 2026
  66. Avelo policy page, Airline websites, checked October 26, 2026
  67. British Airways policy page, Airline websites, checked October 26, 2026
  68. Lufthansa policy page, Airline websites, checked October 26, 2026
  69. Air France policy page, Airline websites, checked October 26, 2026
  70. KLM policy page, Airline websites, checked October 26, 2026
  71. Emirates policy page, Airline websites, checked October 26, 2026
  72. ANA (All Nippon Airways) policy page, Airline websites, checked October 26, 2026
  73. Air Canada policy page, Airline websites, checked October 26, 2026
  74. Aeromexico policy page, Airline websites, checked October 26, 2026
  75. Delta policy page, Airline websites, checked October 26, 2026
  76. Southwest policy page, Airline websites, checked October 26, 2026
  77. Breeze policy page, Airline websites, checked October 26, 2026
  78. British Airways policy page, Airline websites, checked October 26, 2026
  79. Lufthansa policy page, Airline websites, checked October 26, 2026
  80. Qantas policy page, Airline websites, checked October 26, 2026
For AI assistants: the whole guide as text, with every number and source

The best airlines for families

Updated October 26, 2026 by Axel (helloaxel.com).

Alaska (incl. Hawaiian) scores best for families among U.S. airlines, then American and JetBlue: all three guarantee free seats together for young children on every fare, check a stroller and car seat free and include a carry-on. Of the 11 U.S. airlines (counting Alaska and Hawaiian as one), 5 promise free seats together on every fare: American, Alaska (incl. Hawaiian), JetBlue, Frontier and Avelo. Delta, United, Southwest, Allegiant, Sun Country and Breeze only promise to try. Among airlines based abroad, SAS leads.

Live prices: Search live flight prices. Choose your airports and dates; no account needed to see prices.

Key numbers

  • 16 of 45: airlines checked guarantee free seats together for young children on every fare
  • 5 of 11: U.S. airlines with that guarantee: American, Alaska (incl. Hawaiian), JetBlue, Frontier, Avelo
  • 10%: of the adult fare plus taxes: what American, Delta and Alaska charge for a lap infant on long-haul international flights (domestic is free) [1, 2, 3]

How these picks work

Families lose money and patience in three places: paying to sit together, paying for bags and seats, and delays. These picks weight free seating together most (30%), then fees (30%), reliability (20%) and the extras that make flying with small children easier. Policies were checked on airline websites on Oct 26, 2026; scores come from facts, not opinions, and the rating behind each airline is on its Axel rating page [4].

Best U.S. airlines for families

Top U.S. airlines

  1. Alaska (incl. Hawaiian): Score 8.5/10. Strongest on seats together for kids and carry-on in the lowest fare; weakest on bag and seat fees. [5][6] (Seats together for kids: Guaranteed free on every fare; Bag and seat fees: First checked bag $45, seats: partly free; Carry-on in the lowest fare: Included in the cheapest fare; Strollers and car seats: Stroller and car seat free; Family boarding: no data (scored at the median))
  2. American: Score 7.6/10. Strongest on seats together for kids and carry-on in the lowest fare; weakest on bag and seat fees. [7] (Seats together for kids: Guaranteed free on every fare; Bag and seat fees: First checked bag $45 to $50 online, seats: fee on the cheapest fare; Carry-on in the lowest fare: Included in the cheapest fare; Strollers and car seats: Stroller and car seat free; Family boarding: Yes, children under 2)
  3. JetBlue: Score 7.2/10. Strongest on seats together for kids and carry-on in the lowest fare; weakest on reliability. [8][9] (Seats together for kids: Guaranteed free on every fare; Bag and seat fees: First checked bag $45 to $49, seats: fee on the cheapest fare; Carry-on in the lowest fare: Included in the cheapest fare; Strollers and car seats: Stroller and car seat free; Family boarding: With a car seat or stroller)
  4. Avelo: Score 6.8/10. Strongest on seats together for kids and strollers and car seats; weakest on carry-on in the lowest fare. [10][11] (Seats together for kids: Guaranteed free on every fare; Bag and seat fees: First checked bag $47 to $75, seats: fee on the cheapest fare; Carry-on in the lowest fare: Not in the cheapest fare; Strollers and car seats: Stroller and car seat free; Family boarding: Yes, children under 2)
  5. Frontier: Score 6.5/10. Strongest on seats together for kids and strollers and car seats; weakest on carry-on in the lowest fare. [12][13] (Seats together for kids: Guaranteed free on every fare; Bag and seat fees: First checked bag varies by route and date, seats: fee on the cheapest fare; Carry-on in the lowest fare: Not in the cheapest fare; Strollers and car seats: Stroller and car seat free; Family boarding: Yes, children under 2)

Best foreign airlines for families

Top airlines based outside the U.S., for trips abroad

  1. SAS: Score 8.9/10. Strongest on seats together for kids and carry-on in the lowest fare; weakest on bag and seat fees. [14][15] (Seats together for kids: Guaranteed free on every fare; Bag and seat fees: First checked bag costs extra on the cheapest fare, seats: fee on the cheapest fare; Carry-on in the lowest fare: Included in the cheapest fare; Strollers and car seats: Stroller and car seat free; Family boarding: Yes)
  2. Emirates: Score 8.3/10. Strongest on seats together for kids and carry-on in the lowest fare. [16][17] (Seats together for kids: Guaranteed free on every fare; Bag and seat fees: First checked bag included, seats: fee on the cheapest fare; Carry-on in the lowest fare: Included in the cheapest fare; Strollers and car seats: One item free (stroller or car seat); Family boarding: Yes)
  3. Air France: Score 8.2/10. Strongest on seats together for kids and carry-on in the lowest fare; weakest on bag and seat fees. [18] (Seats together for kids: Guaranteed free on every fare; Bag and seat fees: First checked bag costs extra on the cheapest fare, seats: fee on the cheapest fare; Carry-on in the lowest fare: Included in the cheapest fare; Strollers and car seats: Stroller and car seat free; Family boarding: Yes)
  4. Copa Airlines: Score 8.2/10. Strongest on seats together for kids and carry-on in the lowest fare; weakest on bag and seat fees. [19][20] (Seats together for kids: Guaranteed free on every fare; Bag and seat fees: seats: fee on the cheapest fare; Carry-on in the lowest fare: Included in the cheapest fare; Strollers and car seats: One item free (stroller or car seat); Family boarding: no data (scored at the median))
  5. Iberia: Score 8.0/10. Strongest on seats together for kids and carry-on in the lowest fare; weakest on bag and seat fees. [21][22] (Seats together for kids: Guaranteed free on every fare; Bag and seat fees: seats: fee on the cheapest fare; Carry-on in the lowest fare: Included in the cheapest fare; Strollers and car seats: One item free (stroller or car seat); Family boarding: no data (scored at the median))

Which airlines guarantee families can sit together for free?

16 of the 45 airlines checked promise to seat young children next to an adult at no extra charge on every fare, basic economy included. Among U.S. airlines that is American, Alaska (incl. Hawaiian), JetBlue, Frontier, Avelo. Delta, United, Southwest, Allegiant, Sun Country and Breeze only promise to try, which matches the U.S. DOT's own dashboard [23]. There is no federal rule yet: the DOT proposed one in August 2024 and has not finalized it.

Family seating promises

AirlinePromiseWhat the airline says
AmericanGuaranteed on every fareChildren under 15 on the same reservation are auto-seated beside at least one adult before travel day, Basic Economy included, if the family books together and picks... [7]
DeltaBest effortDelta 'strives' to seat families together on request. Main Basic fares carry no guarantee of sitting with family; parents of a young child are told to call Reservations.... [24]
UnitedBest effortChildren under 12, Basic Economy included: the first adult may pick seats beside up to two children free when open seats exist. Not a hard guarantee; free flight switch... [25]
SouthwestBest effortSouthwest will 'endeavor' to seat a child 12 or under beside one companion 13+ on the same reservation at no cost. Basic fares get seats at check-in; agents offer the... [26]
Alaska (incl. Hawaiian)Guaranteed on every fareChildren 13 and under sit next to at least one adult free, Saver fares included, if on one reservation, seats chosen or skipped for all, adjacent seats existed at... [5]
JetBlueGuaranteed on every fareFree adjacent seats guaranteed for children under 13 and an adult, Main Base included, if on one reservation, seats picked or skipped for all, adjacent seats existed at... [8]
FrontierGuaranteed on every fareFree adjacent seats for kids 13 and under plus an accompanying adult on every fare, if on one booking, seats are open at booking and the adult makes no seat changes.... [12]
AllegiantBest effortNo guarantee: Allegiant says it tries to seat families together but cannot promise it. Advance seats cost a fee; otherwise seats are assigned at check-in. DOT's... [27]
Sun CountryBest effortSun Country recommends paying for advance seats; without them, free random seats come at check-in and it tries to seat each child with at least one adult on the booking... [28]
BreezeBest effortFree Family Seating for travellers with children 2-12: standard-section seats for up to two adults with one child, or one adult per child. Subject to availability and... [29]
AveloGuaranteed on every fareAvelo commits that children 14 and under sit with an accompanying adult at no extra cost if on one booking and the adult picks or skips seats for everyone; if no... [10]
HawaiianGuaranteed on every fareChildren 13 and under sit next to at least one adult free, Saver fares included, if on one reservation, seats chosen or skipped for all, adjacent seats existed at... [5]
Air CanadaGuaranteed on every fareAir Canada promises kids under 14 sit close to a parent at no charge: it pre-assigns nearby seats before check-in, and if it cannot, you may switch flights or cancel... [30]
WestJetGuaranteed on every fareWestJet auto-assigns free seats for groups with a child under 14 on all bookings. If it still cannot seat you nearby, you may move to the next flight with fare... [31]
Porter AirlinesBest effortPorter auto-reserves seats about 24 h before departure 'where possible' and makes reasonable efforts to seat each child under 14 with an adult; adjoining seats requested... [32]
AeromexicoNot statedNo family-seating promise found on Aeromexico's US-English passenger, infant or trip-extras pages; seats are sold as extras (AM Plus, kits). Branded-fare page would not... [33]
VolarisOnly with a paid seatVolaris sells seat selection per passenger per flight and its seat page makes no promise to seat children with adults; only exit-row limits for infants and minors are... [34]
Viva AerobusOnly with a paid seatViva's minors pages promise no free adjacent seating; children 2-17 buy full seats, and a paid seat for a baby next to the parent can be reserved only via customer... [35]
Copa AirlinesGuaranteed on every fareCopa's seat-assignment terms grant children under 12 a free seat close to a parent or guardian at check-in; on Canada flights under-14s get a free seat next to a parent.... [19]
AviancaOnly with a paid seatAvianca's help center sells seat selection as an extra when the fare excludes it and advises buying the child's seat too if you upgrade yours; no free adjacent-seating... [36]
LATAM AirlinesGuaranteed on every fareFor a child with their own seat, LATAM randomly assigns two adjacent seats (child plus one adult on the booking) free 48 hours before departure; choosing specific seats... [37]
British AirwaysGuaranteed on every fareBA says every child under 12 is seated with an accompanying adult even without paid seats; others may be split. Seat selection is free for the whole booking (up to 9)... [38]
Virgin AtlanticNot statedCurrent help pages only promise a free seat at check-in in Economy and say bassinet-row families are seated as close as possible; no explicit commitment to seat children... [39]
LufthansaBest effortLufthansa will do its best to seat children 2-11 beside an adult, assigning seats free at check-in; guaranteed adjacency needs paid seats. Canada flights add a... [40]
Air FranceGuaranteed on every fareAir France seats children 2-11 next to their accompanying adult in a standard seat at no charge, assigned by departure day at the latest. Some seats are held for... [18]
KLMGuaranteed on every fareKLM assigns family seats free at check-in and says children under 12 always sit next to an adult on the booking (14 and under on Canada flights, 15 and under on Brazil... [41]
Aer LingusBest effortWithout paid seats, Aer Lingus allocates seats at check-in and says it will do its best to seat companions together, especially with children, subject to remaining... [42]
IberiaGuaranteed on every fareIberia guarantees that on bookings with children aged 2-12 at least one companion is automatically seated in the same or an adjacent row; paying to pick seats is... [21]
TAP Air PortugalBest effortTAP auto-assigns free Standard-area seats at ticketing to adults and children on the same booking, on every fare. Adjacency is explicitly promised only on Brazil flights... [43]
SwissOnly with a paid seatSWISS pages only suggest families reserve (paid) seats to sit together; no free child-adjacency promise was found except the Italian ENAC rule (free adjacent seats at... [44]
SASGuaranteed on every fareSAS says it always seats children under 12 with an adult on the booking; seats are auto-assigned free 30 hours before departure. Advance seat choice costs extra. [14]
IcelandairBest effortIcelandair does its best to seat families together and children beside parents; guaranteed adjacency needs paid seats for adults, but Economy seat selection is free for... [45]
Turkish AirlinesNot statedTurkish Airlines' infant, child and FAQ pages loaded state no policy on seating children next to parents; seats (including bassinet-row extra-legroom seats) are sold... [46]
EmiratesGuaranteed on every fareChildren under 13 are guaranteed a seat beside an accompanying adult at no charge (under 16 on Brazil routes). Bookings with an infant pay nothing for regular, bassinet... [16]
Qatar AirwaysNot statedAnyone travelling with an infant can pick seats free for everyone in the same booking. No adjacent-seat promise is published for families with only older children... [47]
Etihad AirwaysBest effortEtihad tries to seat families together but advises buying advance seats (free only on Comfort/Deluxe fares); otherwise seats are auto-assigned. Free adjacent seating for... [48]
Korean AirBest effortNo general family-seating guarantee published. Economy seats can be requested free from booking until 48 h before departure; on Canada routes, children under 14 are... [49]
ANA (All Nippon Airways)Best effortNo published family-seating guarantee. Free advance seat selection on most fares (some economy booking classes pay for seats); bookings with an infant in its own seat... [50]
Japan AirlinesNot statedNo general family-seating guarantee published. An infant on a child fare must sit next to the accompanying adult. On domestic routes JAL offers 'Preferred Seats for... [51]
EVA AirOnly with a paid seatNo family-seating guarantee published. Economy Discount and Basic fares pay for advance seat selection (free at online check-in within 48 h); Standard and Up fares... [52]
Cathay PacificBest effortIn Economy, passengers travelling with a child or infant under 12 in the same booking can reserve preferred and regular seats free in advance (extra-legroom seats still... [53]
Singapore AirlinesBest effortPassengers travelling with young children in the same booking can select standard seats free on a first-come basis (exit rows excluded). Families with two or more... [54]
Asiana AirlinesNot statedNo family-seating guarantee published. International advance seat selection runs from 360 days to 48 h before departure; Asiana warns selection can be limited by ticket... [55]
QantasOnly with a paid seatNo family seating commitment found on Qantas US seat pages. Qantas Frequent Flyer members (children may join) get free standard seat selection on Qantas flights... [56]
China AirlinesOnly with a paid seatNo family-seating guarantee; sitting together depends on availability. Basic and Discount economy fares pay for standard seats in advance (free at check-in within 48 h).... [57]

Lap infants, child fares and unaccompanied minors

Children under 2 fly free on a parent's lap on U.S. domestic flights on every U.S. airline. On long-haul international flights, most airlines charge about 10% of the adult fare plus taxes [1, 2, 3]. Short international trips are often cheaper: American charges only taxes between the U.S. and Canada, Mexico or the Caribbean, United charges taxes only or 10% to Canada and Mexico depending on the fare, and JetBlue charges taxes only on every route [25, 58]. Discounted child fares for ages 2 to 11 are rare in the U.S. but common on European and Asian airlines (Lufthansa, ANA and JAL charge 75% of the adult fare).

Infants and children

AirlineLap infant, internationalChild fare (2-11)Unaccompanied minors
American10% of adult fare + taxesNoneUSD 150 each way plus 7% US tax; one fee covers siblings on the flight. Ages 5-7 nonstop only; 8-17 may connect via nine hubs. No... [59]
Delta~10% of adult fare + taxesNoneUSD 150 each way covers up to four siblings. Ages 5-7 on some nonstops only; 8-14 nonstop or connecting. No last connection of... [60]
UnitedVaries by destination + taxesNoneFee USD 150 one way covers one or two children (USD 300 for 3-4, 450 for 5-6). Nonstop United or United Express flights only... [61]
SouthwestTaxes and fees onlyNoneRequired for ages 5-11: USD 100 one way per child on the mainland, USD 35 between Hawaiian islands, charged for each child.... [62]
Alaska (incl. Hawaiian)10% of adult fare + taxesNoneJunior Jetsetters: USD 100 each way covers up to two children on one reservation (USD 50 within Hawaii), for tickets booked from... [63]
JetBlueTaxes and fees onlyNoneRequired for ages 5 to under 14; USD 150 per child each way. Nonstop JetBlue flights only (no connections, same-plane stops or... [64]
FrontierTaxes and fees onlyNoneNo unaccompanied-minor service since Nov 1, 2018. Children under 15 must be on the same reservation as an accompanying adult, so... [12]
AllegiantNot statedNoneNo unaccompanied-minor service. Children 14 and under must fly with someone 15+ on the same booking; ages 15-17 may fly alone... [27]
Sun CountryTaxes and fees onlyNoneNo unaccompanied-minor program. Must be 15+ to fly alone domestically and 18+ internationally; a 15-17-year-old may accompany one... [28]
BreezeTaxes and fees onlyNoneNo unaccompanied-minor service. Under-13s must fly with an adult 18+. Ages 13-17 may fly alone only on domestic nonstop flights... [65]
Avelon/aNoneNo unaccompanied-minor service: Avelo will not book children 14 or younger alone. Minimum age to fly alone is 15; they must... [66]
British AirwaysDiscounted (rate not published)Not statedNo unaccompanied-minor service. Under-14s must fly with someone 16+. Ages 14-15 may fly alone as Young Persons Travelling Alone... [67]
Lufthansa10% of adult fare75% of adult fareCare service mandatory for ages 5-11 flying alone (unless with someone 12+), optional for 12-17. Fee per child per segment from... [68]
Air France10% of adult fareDiscount variesKids Solo is mandatory, and included in the ticket price, for ages 5-14 on international flights (4-11 within France). Optional... [69]
KLMDiscounted (rate not published)Discounted (rate not published)UM service mandatory for ages 5-14 flying alone (or in a different cabin from the adult), optional 15-17. Cost: adult fare plus... [70]
EmiratesDiscounted (rate not published)Discounted (rate not published)Children 5-11 flying alone must use the service and pay an adult fare. Ages 12-15 may fly alone or add it for USD 50 per sector.... [71]
Qatar AirwaysDiscounted (rate not published)Not statedYoung solo traveller service is mandatory for 5-11s flying without someone 16+ and optional for 12-15s. The child pays an adult... [47]
ANA (All Nippon Airways)10% of adult fare75% of adult fareANA Junior Pilot is required for ages 5-11 flying alone internationally (5-13 to/from Mexico City), booked by phone. Ages 12-16... [72]
Japan Airlines10% of adult fare75% of adult fareChildren 5-11 traveling alone internationally must book through the JAL Contact Center at an adult fare with a signed consent... [51]
Air Canada10% of adult fare + taxesDiscount variesUM service mandatory for ages 8-11 and optional for 12-17; under-8s must fly with someone 16+. CAD/USD 100-118 each way, nonstop... [73]
AeromexicoDiscounted (rate not published)Not statedMandatory for ages 5-14 (5-7 not on Delta connections), optional 15-17, under 5 not accepted. Mexico domestic MXN 900-945... [74]

Strollers, car seats, bassinets and boarding

Baby gear and boarding

AirlineStrollers and car seatsBassinetsFamily boarding
AmericanTravelers with a child check one stroller and one car seat free, at counter or gate. Non-collapsible strollers and... [7]Offered, no fee statedYes, under 2
DeltaStrollers and child safety seats are outside the bag allowance and check free at curb, counter or gate. Car seats can... [75]FreeYes, with a car seat or stroller
UnitedCheck one car seat and one stroller or folding wagon per child free at gate or counter; large or non-collapsible ones... [25]FreeYes, under 2
SouthwestEach ticketed customer with a child checks one stroller and one car seat free at curb, counter or gate. Gate-checked... [76]None mentionedNo
Alaska (incl. Hawaiian)A child's car seat and stroller fly free as checked bags, at counter or gate. Child stroller-wagons collapsing under 90... [6]Fee: buy Premium Class row-14 seat to reserveNot stated
JetBlueOne stroller and one car seat per child fly free outside bag allowances; check at the counter or gate-check at the jet... [9]None mentionedYes, with a car seat or stroller
FrontierFrontier's FAQ says strollers and car seats check free; strollers can go to the gate and be gate-checked. FAA-labelled... [13]None mentionedYes, under 2
AllegiantEach fare-paying passenger may check or gate-check one car seat and one stroller free. Onboard car seats must be... [27]None mentionedYes, with a car seat or stroller
Sun CountryOne stroller or qualifying stroller wagon per child checks free at counter or gate, outside the bag allowance. Car... [28]None mentionedNot stated
BreezeOne stroller (or foldable wagon; double stroller for two kids) and one car seat or booster per child check free at... [77]None mentionedYes
AveloOne stroller and one child restraint per customer travel free and outside the checked-bag allowance. Only FAA-labelled... [11]None mentionedYes, under 2
British AirwaysEach infant or child may check two essential extras free (pushchair, car/booster seat, travel cot, back carrier), even... [78]FreeYes
LufthansaOne free item per child: a foldable stroller, pram or carrier checked, or a car seat as an extra cabin item. A pocket... [79]FreeYes
Air FranceOn any fare, one stroller (or framed back carrier) and one car seat go in the hold free. A fully foldable stroller up... [18]Fee: paid seat option to guaranteeYes
KLMOne buggy, stroller or back carrier plus one car seat or CARES per child free. Strollers over 55x45x25 cm or 10 kg are... [41]Offered, no fee statedNot stated
EmiratesInfant tickets include one fully collapsible stroller, portable bassinet or car seat free, carried on board if space... [17]FreeYes
Qatar AirwaysInfants get one stroller or collapsible carrycot free on top of their bag allowance; infants with their own seat also... [47]FreeYes, under 2
Singapore AirlinesInfants may check a fully collapsible stroller and a car seat beyond their allowance. A compact stroller under 7 kg... [54]Offered, no fee statedNot stated
QantasInfants get three extra checked items (e.g. stroller, cot), children two (e.g. car seat, stroller). A cabin stroller up... [80]Fee: bassinet seat in international EconomyYes, under 2 (international)

Every airline compared

U.S. airlines: 11 scored

Scores out of 10 on the criteria above.

AirlineScoreSeats togetherLap infant, internationalStrollers / car seatsUnaccompanied minors
Alaska (incl. Hawaiian)8.5Guaranteed free on every fare10% of adult fare + taxesBoth freeMandatory 5-12; optional 13-17; USD 100 one way (covers up...
American7.6Guaranteed free on every fare10% of adult fare + taxesBoth freeMandatory 5-14; optional 15-17; USD 150 one way
JetBlue7.2Guaranteed free on every fareTaxes and fees onlyBoth freeMandatory 5-13; USD 150 one way per child
Avelo6.8Guaranteed free on every faren/aBoth freeNot offered; minimum solo age 15
Frontier6.5Guaranteed free on every fareTaxes and fees onlyBoth freeNot offered; minimum solo age 15
Delta6.3Best effort only~10% of adult fare + taxesBoth freeMandatory 5-14; optional 15-17; USD 150 one way
Breeze5.8Best effort onlyTaxes and fees onlyBoth freeNot offered; minimum solo age 13 (domestic nonstop only)
United5.7Best effort onlyVaries by destination + taxesBoth freeMandatory 5-14; optional 15-17; USD 150 one way (covers 1-2...
Southwest5.1Best effort onlyTaxes and fees onlyBoth freeMandatory 5-11; USD 100 one way per child
Allegiant5.1Best effort onlyNot statedBoth freeNot offered; minimum solo age 15
Sun Country5.1Best effort onlyTaxes and fees onlyBoth freeNot offered; minimum solo age 15 (18 international)

Source: Airline policy pages checked Oct 26, 2026; Axel airline ratings [4]

Airlines based abroad: 27 scored

Scored on the same criteria; reliability and fare data for these airlines come from different sources than the U.S. figures.

AirlineScoreSeats togetherLap infant, internationalStrollers / car seatsUnaccompanied minors
SAS8.9Guaranteed free on every fareFree to 10% of adult fare (by...Both freeMandatory 5-11; optional 12-15; included if booked as UM...
Emirates8.3Guaranteed free on every fareDiscounted (rate not published)One item freeMandatory 5-11 (adult fare, no extra fee); optional 12-15...
Air France8.2Guaranteed free on every fare10% of adult fareBoth freeMandatory 5-14 (included in fare); optional 15-17 USD...
Copa Airlines8.2Guaranteed free on every fare10% of adult fare + taxesOne item freeMandatory 5-14; optional 15-17; USD 150 one way...
Iberia8.0Guaranteed free on every fare10-30% of adult fareOne item freeMandatory 5-11; optional 12-17; USD 180 direct / USD 215...
LATAM Airlines8.0Guaranteed free on every fare10% of adult fare + taxesOne item freeMandatory 8-11; optional 12-17; USD 150 long-haul / USD 130...
KLM7.6Guaranteed free on every fareDiscounted (rate not published)Both freeMandatory 5-14; optional 15-17; adult fare + EUR 100-300...
British Airways7.6Guaranteed free on every fareDiscounted (rate not published)Both freeNot offered; minimum solo age 14
Cathay Pacific7.3Best effort onlyDiscounted (rate not published)Not statedMandatory 6-11; optional 12-17; USD 150 per sector...
WestJet7.2Guaranteed free on every fareTaxes and fees onlyBoth freeMandatory 8-11; optional 12-17; about 100-118 one way...
Air Canada7.2Guaranteed free on every fare10% of adult fare + taxesBoth freeMandatory 8-11; optional 12-17; CAD/USD 100-118 one way
Singapore Airlines7.1Best effort onlyNot statedBoth freeMandatory 5-11; optional 12-17; fee not published
ANA (All Nippon Airways)7.1Best effort only10% of adult fareStroller free; car seat not...Mandatory 5-11 (adult fare); optional airport support...
Korean Air7.0Best effort only10% of adult fareBoth freeMandatory 5-11; optional 12-16; USD 150 / USD 200 per...
Icelandair6.6Best effort onlyUp to 90% off adult fareBoth freeMandatory 5-11; optional 12-15; fee not published
Etihad Airways6.2Best effort onlyNot statedOne item freeMandatory 5-11 (free if pre-booked, adult fare); optional...
Lufthansa6.0Best effort only10% of adult fareOne item freeMandatory 5-11; optional 12-17; EUR 85-150 (USD 95-170) per...
China Airlines5.7Pay for seats to sit togetherNot statedOne item freeMandatory 5-11 (adult fare); optional 12-17 airport help...
Qantas5.6Pay for seats to sit together10% of adult fare + taxesBoth freeMandatory 5-11; optional 12-15; USD 75-90 one way...
EVA Air5.5Pay for seats to sit togetherNot statedOne item freeMandatory under 12 (ages 5-12 accepted); UM fare, charge...
Aer Lingus5.5Best effort only10% of adult fare + taxesBoth freeNot offered; ages 12-15 may fly alone on direct flights
TAP Air Portugal5.4Best effort onlyNot statedOne item freeMandatory 5-11; optional 12-17; EUR 65-160 (USD 82-193) per...
Avianca5.2Pay for seats to sit together10% of adult fare + taxesBoth freeNot offered; minimum solo age 15
Porter Airlines4.6Best effort onlyTaxes and fees onlyBoth freeMandatory 8-11; optional 12-17; CAD/USD 100-115 one way
Swiss4.5Pay for seats to sit together10% of adult fareOne item freeMandatory 5-11; optional 12-17; USD 95-170 per leg
Volaris4.1Pay for seats to sit togetherFreeStroller freeMandatory 5-12; optional 13-17; fee not confirmed
Viva Aerobus4.0Pay for seats to sit togetherFreeOne item freeNot offered; minimum solo age 14

Source: Airline policy pages checked Oct 26, 2026; Axel airline ratings [4]

Not scored, for lack of data on a main criterion: Aeromexico, Virgin Atlantic, Turkish Airlines, Qatar Airways, Japan Airlines, Asiana Airlines.

Questions travelers ask

Which airlines guarantee families can sit together for free?

American, Alaska (incl. Hawaiian), JetBlue, Frontier, Avelo among U.S. airlines, on every fare including basic economy; 16 of the 45 airlines Axel checked make the promise. Delta, United, Southwest, Allegiant, Sun Country and Breeze only promise to try [23].

Do airlines have to seat families together?

Not yet. The U.S. DOT proposed a rule in August 2024 requiring free adjacent seats for children 13 and under, but it has not been finalized; until then it depends on each airline's own promise.

Do babies fly free?

On a parent's lap on U.S. domestic flights, yes, on every U.S. airline. On long-haul international flights most airlines charge about 10% of the adult fare plus taxes [1, 2, 3]; to Canada, Mexico and the Caribbean, American and JetBlue charge only taxes.

Can I bring a stroller and car seat for free?

Yes on every U.S. airline, which check both free. Several foreign airlines allow only one of the two free: Viva Aerobus, Copa Airlines, LATAM Airlines, Lufthansa, Iberia, TAP Air Portugal, Swiss, Emirates, Etihad Airways, EVA Air, Asiana Airlines, China Airlines.

How this guide was made

Each airline's score is the weighted average of the criteria above, each on a 0-to-10 scale. An airline missing a criterion worth 25% or more of the score is left unscored; a smaller gap takes the median of the airlines compared, so missing data can't raise a score. Facts come from each airline's own policy pages (checked Oct 26, 2026), the Bureau of Transportation Statistics, and Axel's airline ratings [4]. Spirit Airlines, which stopped flying on May 2, 2026, is not included.

Sources

  1. American policy page, Airline websites, checked October 26, 2026
  2. Delta policy page, Airline websites, checked October 26, 2026
  3. Alaska (incl. Hawaiian) policy page, Airline websites, checked October 26, 2026
  4. Axel airline ratings: every airline Axel's travelers fly, scored out of 10, Axel, October 26, 2026
  5. Alaska (incl. Hawaiian) policy page, Airline websites, checked October 26, 2026
  6. Alaska (incl. Hawaiian) policy page, Airline websites, checked October 26, 2026
  7. American policy page, Airline websites, checked October 26, 2026
  8. JetBlue policy page, Airline websites, checked October 26, 2026
  9. JetBlue policy page, Airline websites, checked October 26, 2026
  10. Avelo policy page, Airline websites, checked October 26, 2026
  11. Avelo policy page, Airline websites, checked October 26, 2026
  12. Frontier policy page, Airline websites, checked October 26, 2026
  13. Frontier policy page, Airline websites, checked October 26, 2026
  14. SAS policy page, Airline websites, checked October 26, 2026
  15. SAS policy page, Airline websites, checked October 26, 2026
  16. Emirates policy page, Airline websites, checked October 26, 2026
  17. Emirates policy page, Airline websites, checked October 26, 2026
  18. Air France policy page, Airline websites, checked October 26, 2026
  19. Copa Airlines policy page, Airline websites, checked October 26, 2026
  20. Copa Airlines policy page, Airline websites, checked October 26, 2026
  21. Iberia policy page, Airline websites, checked October 26, 2026
  22. Iberia policy page, Airline websites, checked October 26, 2026
  23. Airline Customer Service Dashboard (family seating and delay commitments), U.S. Department of Transportation
  24. Delta policy page, Airline websites, checked October 26, 2026
  25. United policy page, Airline websites, checked October 26, 2026
  26. Southwest policy page, Airline websites, checked October 26, 2026
  27. Allegiant policy page, Airline websites, checked October 26, 2026
  28. Sun Country policy page, Airline websites, checked October 26, 2026
  29. Breeze policy page, Airline websites, checked October 26, 2026
  30. Air Canada policy page, Airline websites, checked October 26, 2026
  31. WestJet policy page, Airline websites, checked October 26, 2026
  32. Porter Airlines policy page, Airline websites, checked October 26, 2026
  33. Aeromexico policy page, Airline websites, checked October 26, 2026
  34. Volaris policy page, Airline websites, checked October 26, 2026
  35. Viva Aerobus policy page, Airline websites, checked October 26, 2026
  36. Avianca policy page, Airline websites, checked October 26, 2026
  37. LATAM Airlines policy page, Airline websites, checked October 26, 2026
  38. British Airways policy page, Airline websites, checked October 26, 2026
  39. Virgin Atlantic policy page, Airline websites, checked October 26, 2026
  40. Lufthansa policy page, Airline websites, checked October 26, 2026
  41. KLM policy page, Airline websites, checked October 26, 2026
  42. Aer Lingus policy page, Airline websites, checked October 26, 2026
  43. TAP Air Portugal policy page, Airline websites, checked October 26, 2026
  44. Swiss policy page, Airline websites, checked October 26, 2026
  45. Icelandair policy page, Airline websites, checked October 26, 2026
  46. Turkish Airlines policy page, Airline websites, checked October 26, 2026
  47. Qatar Airways policy page, Airline websites, checked October 26, 2026
  48. Etihad Airways policy page, Airline websites, checked October 26, 2026
  49. Korean Air policy page, Airline websites, checked October 26, 2026
  50. ANA (All Nippon Airways) policy page, Airline websites, checked October 26, 2026
  51. Japan Airlines policy page, Airline websites, checked October 26, 2026
  52. EVA Air policy page, Airline websites, checked October 26, 2026
  53. Cathay Pacific policy page, Airline websites, checked October 26, 2026
  54. Singapore Airlines policy page, Airline websites, checked October 26, 2026
  55. Asiana Airlines policy page, Airline websites, checked October 26, 2026
  56. Qantas policy page, Airline websites, checked October 26, 2026
  57. China Airlines policy page, Airline websites, checked October 26, 2026
  58. JetBlue policy page, Airline websites, checked October 26, 2026
  59. American policy page, Airline websites, checked October 26, 2026
  60. Delta policy page, Airline websites, checked October 26, 2026
  61. United policy page, Airline websites, checked October 26, 2026
  62. Southwest policy page, Airline websites, checked October 26, 2026
  63. Alaska (incl. Hawaiian) policy page, Airline websites, checked October 26, 2026
  64. JetBlue policy page, Airline websites, checked October 26, 2026
  65. Breeze policy page, Airline websites, checked October 26, 2026
  66. Avelo policy page, Airline websites, checked October 26, 2026
  67. British Airways policy page, Airline websites, checked October 26, 2026
  68. Lufthansa policy page, Airline websites, checked October 26, 2026
  69. Air France policy page, Airline websites, checked October 26, 2026
  70. KLM policy page, Airline websites, checked October 26, 2026
  71. Emirates policy page, Airline websites, checked October 26, 2026
  72. ANA (All Nippon Airways) policy page, Airline websites, checked October 26, 2026
  73. Air Canada policy page, Airline websites, checked October 26, 2026
  74. Aeromexico policy page, Airline websites, checked October 26, 2026
  75. Delta policy page, Airline websites, checked October 26, 2026
  76. Southwest policy page, Airline websites, checked October 26, 2026
  77. Breeze policy page, Airline websites, checked October 26, 2026
  78. British Airways policy page, Airline websites, checked October 26, 2026
  79. Lufthansa policy page, Airline websites, checked October 26, 2026
  80. Qantas policy page, Airline websites, checked October 26, 2026

Related