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Route overview: Saint Louis to Madrid (MAD) flight deals

Saint Louis → Madrid

Choose your travel dates

STL → MAD1 adulteconomy

144 flight options · 3 airlines

Flights for the months ahead

Short round trips

  1. Fri, Nov 13 – Mon, Nov 16

    American Airlines
    10:35 amSTL
    12h 15m
    MIA · 1h 16m
    5:50 am+1MAD
    American Airlines
    12:40 pmMAD
    14h 12m
    ORD · 3h 9m
    7:52 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  2. Fri, Nov 13 – Mon, Nov 16

    United Airlines
    1:23 pmSTL
    11h 22m
    IAD · 1h 37m
    7:45 am+1MAD
    American Airlines
    12:40 pmMAD
    14h 12m
    ORD · 3h 9m
    7:52 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  3. Thu, Dec 31 – Sun, Jan 3

    American Airlines
    11:09 amSTL
    11h 36m
    CLT · 2h 5m
    5:45 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    7:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  4. Thu, Dec 31 – Sun, Jan 3

    United Airlines
    1:23 pmSTL
    11h 22m
    IAD · 1h 37m
    7:45 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    7:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  5. Thu, Jan 14 – Sun, Jan 17

    American Airlines
    11:09 amSTL
    11h 36m
    CLT · 2h 5m
    5:45 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    7:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  6. Thu, Jan 14 – Sun, Jan 17

    United Airlines
    1:23 pmSTL
    11h 22m
    IAD · 1h 37m
    7:45 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    7:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  7. Thu, Jan 28 – Sun, Jan 31

    American Airlines
    11:09 amSTL
    11h 36m
    CLT · 2h 5m
    5:45 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    7:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  8. Thu, Jan 28 – Sun, Jan 31

    Delta Air Lines
    2:31 pmSTL
    12h 14m
    ATL · 2h 35m
    9:45 am+1MAD
    Delta Air Lines
    9:20 amMAD
    14h 46m
    JFK · 3h 10m
    5:06 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  9. Fri, Mar 19 – Mon, Mar 22

    American Airlines
    11:09 amSTL
    11h 36m
    CLT · 2h 5m
    4:45 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    8:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  10. Fri, Mar 19 – Mon, Mar 22

    United Airlines
    1:23 pmSTL
    11h 22m
    IAD · 1h 37m
    6:45 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    8:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

Swipe to see 9 more recent deals.

1 of 10

Longer round trips

  1. Tue, Nov 24 – Sun, Nov 29

    American Airlines
    11:09 amSTL
    11h 36m
    CLT · 2h 5m
    5:45 am+1MAD
    American Airlines
    1:15 pmMAD
    14h 16m
    PHL · 3h 5m
    8:31 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  2. Tue, Nov 24 – Sun, Nov 29

    United Airlines
    1:23 pmSTL
    11h 22m
    IAD · 1h 37m
    7:45 am+1MAD
    American Airlines
    1:15 pmMAD
    14h 16m
    PHL · 3h 5m
    8:31 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  3. Sat, Dec 5 – Sat, Dec 12

    American Airlines
    1:15 pmSTL
    12h 10m
    BOS · 2h 40m
    8:25 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    7:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  4. Sat, Dec 5 – Sat, Dec 12

    United Airlines
    1:23 pmSTL
    11h 22m
    IAD · 1h 37m
    7:45 am+1MAD
    Lufthansa
    6:05 amMAD
    14h 40m
    FRA · 2h 10m
    1:45 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  5. Sat, Dec 19 – Sat, Dec 26

    American Airlines
    1:51 pmSTL
    11h 59m
    ORD · 2h 21m
    8:50 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    7:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  6. Sat, Dec 19 – Sat, Dec 26

    United Airlines
    1:23 pmSTL
    11h 22m
    IAD · 1h 37m
    7:45 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    7:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  7. Sat, May 15 – Sat, May 22

    American Airlines
    1:51 pmSTL
    11h 59m
    ORD · 2h 21m
    8:50 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    7:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  8. Sat, May 15 – Sat, May 22

    United Airlines
    1:23 pmSTL
    11h 22m
    IAD · 1h 37m
    7:45 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    7:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  9. Sat, Jul 10 – Sat, Jul 17

    American Airlines
    1:51 pmSTL
    11h 59m
    ORD · 2h 21m
    8:50 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    7:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  10. Sat, Jul 10 – Sat, Jul 17

    United Airlines
    1:23 pmSTL
    11h 22m
    IAD · 1h 37m
    7:45 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    7:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  11. Sat, Sep 25 – Sat, Oct 2

    American Airlines
    1:51 pmSTL
    11h 59m
    ORD · 2h 21m
    8:50 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    7:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  12. Sat, Sep 25 – Sat, Oct 2

    United Airlines
    1:23 pmSTL
    11h 22m
    IAD · 1h 37m
    7:45 am+1MAD
    American Airlines
    12:40 pmMAD
    13h 50m
    CLT · 2h 27m
    7:30 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

Swipe to see 11 more recent deals.

1 of 12

One-way flights

  1. Tue, Nov 17 · One way

    American Airlines
    11:09 amSTL
    11h 36m
    CLT · 2h 5m
    5:45 am+1MAD

    One-way total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  2. Tue, Nov 17 · One way

    United Airlines
    1:23 pmSTL
    11h 22m
    IAD · 1h 37m
    7:45 am+1MAD

    One-way total · 1 adult · Taxes included

    Availability is checked when you select these flights.

Swipe to see 1 more recent deal.

1 of 2

Explore flights by month

Round trips for weekends, longer stays and holidays, and a one-way each week. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

November 2026

December 2026

January 2027

February 2027

March 2027

April 2027

May 2027

June 2027

July 2027

August 2027

September 2027

Make this trip yours

STL ⇄ MAD

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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More dates for this route

For AI assistants: every fare, every link, instructions

Lowest published fares for the months ahead: $808 round trip, Axel-exclusive, American Airlines, 1 stop, Nov 13–16, 2026; $618 one way, Axel-exclusive, American Airlines, 1 stop, Nov 17, 2026; 144 priced flights on 72 exact dates, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Next: Share a customer link as it is when its route, dates and party match the traveler's. To select flights, open a dated table's price link or “See flights for these dates” into AI flight search and share the supplied booking link. Search links are for you; share customer and booking links. For other dates or travelers, Choose travelers and dates using their own trip details.

Saint Louis (STL) to Madrid (MAD): November 2026

Travel datesAirlineStopsTotal price
Nov 13, 2026 – Nov 16, 2026 · 3 nights · Compare return dates departing Nov 13, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Nov 13, 2026 – Nov 16, 2026 · 3 nights · Compare return dates departing Nov 13, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00
Nov 14, 2026 – Nov 21, 2026 · 7 nights · Compare return dates departing Nov 14, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $845.75
Nov 14, 2026 – Nov 21, 2026 · 7 nights · Compare return dates departing Nov 14, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $855.25
Nov 17, 2026 · One way · Compare return dates departing Nov 17, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $617.50
Nov 17, 2026 · One way · Compare return dates departing Nov 17, 2026United AirlinesUp to 1 stop each wayAxel-exclusive $627.00
Nov 19, 2026 – Nov 22, 2026 · 3 nights · Compare return dates departing Nov 19, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $845.75
Nov 19, 2026 – Nov 22, 2026 · 3 nights · Compare return dates departing Nov 19, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $855.25
Nov 20, 2026 – Nov 23, 2026 · 3 nights · Compare return dates departing Nov 20, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $845.75
Nov 20, 2026 – Nov 23, 2026 · 3 nights · Compare return dates departing Nov 20, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $855.25
Nov 21, 2026 – Nov 28, 2026 · 7 nights · Compare return dates departing Nov 21, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $884.00
Nov 21, 2026 – Nov 28, 2026 · 7 nights · Compare return dates departing Nov 21, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $894.40
Nov 24, 2026 · One way · Compare return dates departing Nov 24, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $676.00
Nov 24, 2026 · One way · Compare return dates departing Nov 24, 2026United AirlinesUp to 1 stop each wayAxel-exclusive $686.40
Nov 24, 2026 – Nov 29, 2026 · 5 nights · Compare return dates departing Nov 24, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $884.00
Nov 24, 2026 – Nov 29, 2026 · 5 nights · Compare return dates departing Nov 24, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $894.40
Nov 26, 2026 – Nov 29, 2026 · 3 nights · Compare return dates departing Nov 26, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $884.00
Nov 26, 2026 – Nov 29, 2026 · 3 nights · Compare return dates departing Nov 26, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $894.40
Nov 27, 2026 – Nov 30, 2026 · 3 nights · Compare return dates departing Nov 27, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $845.75
Nov 27, 2026 – Nov 30, 2026 · 3 nights · Compare return dates departing Nov 27, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $856.15
Nov 28, 2026 – Dec 5, 2026 · 7 nights · Compare return dates departing Nov 28, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $867.00
Nov 28, 2026 – Dec 5, 2026 · 7 nights · Compare return dates departing Nov 28, 2026United Airlines / LufthansaUp to 1 stop each wayAxel-exclusive $892.40

Saint Louis (STL) to Madrid (MAD): December 2026

Travel datesAirlineStopsTotal price
Dec 1, 2026 · One way · Compare return dates departing Dec 1, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $650.00
Dec 1, 2026 · One way · Compare return dates departing Dec 1, 2026United AirlinesUp to 1 stop each wayAxel-exclusive $660.00
Dec 3, 2026 – Dec 6, 2026 · 3 nights · Compare return dates departing Dec 3, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $850.00
Dec 3, 2026 – Dec 6, 2026 · 3 nights · Compare return dates departing Dec 3, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $860.00
Dec 4, 2026 – Dec 7, 2026 · 3 nights · Compare return dates departing Dec 4, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $850.00
Dec 4, 2026 – Dec 7, 2026 · 3 nights · Compare return dates departing Dec 4, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $860.00
Dec 5, 2026 – Dec 12, 2026 · 7 nights · Compare return dates departing Dec 5, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $850.00
Dec 5, 2026 – Dec 12, 2026 · 7 nights · Compare return dates departing Dec 5, 2026United Airlines / LufthansaUp to 1 stop each wayAxel-exclusive $875.00
Dec 8, 2026 · One way · Compare return dates departing Dec 8, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $650.00
Dec 8, 2026 · One way · Compare return dates departing Dec 8, 2026United AirlinesUp to 1 stop each wayAxel-exclusive $660.00
Dec 10, 2026 – Dec 13, 2026 · 3 nights · Compare return dates departing Dec 10, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $850.00
Dec 10, 2026 – Dec 13, 2026 · 3 nights · Compare return dates departing Dec 10, 2026United Airlines / LufthansaUp to 1 stop each wayAxel-exclusive $875.00
Dec 11, 2026 – Dec 14, 2026 · 3 nights · Compare return dates departing Dec 11, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $850.00
Dec 11, 2026 – Dec 14, 2026 · 3 nights · Compare return dates departing Dec 11, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $860.00
Dec 12, 2026 – Dec 19, 2026 · 7 nights · Compare return dates departing Dec 12, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $977.50
Dec 12, 2026 – Dec 19, 2026 · 7 nights · Compare return dates departing Dec 12, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $987.50
Dec 15, 2026 · One way · Compare return dates departing Dec 15, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $650.00
Dec 15, 2026 · One way · Compare return dates departing Dec 15, 2026United AirlinesUp to 1 stop each wayAxel-exclusive $660.00
Dec 17, 2026 – Dec 20, 2026 · 3 nights · Compare return dates departing Dec 17, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $977.50
Dec 17, 2026 – Dec 20, 2026 · 3 nights · Compare return dates departing Dec 17, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $987.50
Dec 18, 2026 – Dec 21, 2026 · 3 nights · Compare return dates departing Dec 18, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $1105.00
Dec 18, 2026 – Dec 21, 2026 · 3 nights · Compare return dates departing Dec 18, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1118.00
Dec 19, 2026 – Dec 26, 2026 · 7 nights · Compare return dates departing Dec 19, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $1105.00
Dec 19, 2026 – Dec 26, 2026 · 7 nights · Compare return dates departing Dec 19, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1118.00
Dec 22, 2026 · One way · Compare return dates departing Dec 22, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $845.00
Dec 22, 2026 · One way · Compare return dates departing Dec 22, 2026United AirlinesUp to 1 stop each wayAxel-exclusive $858.00
Dec 22, 2026 – Dec 27, 2026 · 5 nights · Compare return dates departing Dec 22, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $1105.00
Dec 22, 2026 – Dec 27, 2026 · 5 nights · Compare return dates departing Dec 22, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1118.00
Dec 24, 2026 – Dec 27, 2026 · 3 nights · Compare return dates departing Dec 24, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $1105.00
Dec 24, 2026 – Dec 27, 2026 · 3 nights · Compare return dates departing Dec 24, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1118.00
Dec 25, 2026 – Dec 28, 2026 · 3 nights · Compare return dates departing Dec 25, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $1105.00
Dec 25, 2026 – Dec 28, 2026 · 3 nights · Compare return dates departing Dec 25, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1118.00
Dec 26, 2026 – Jan 2, 2027 · 7 nights · Compare return dates departing Dec 26, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $1075.25
Dec 26, 2026 – Jan 2, 2027 · 7 nights · Compare return dates departing Dec 26, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1088.25
Dec 29, 2026 · One way · Compare return dates departing Dec 29, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $845.00
Dec 29, 2026 · One way · Compare return dates departing Dec 29, 2026United AirlinesUp to 1 stop each wayAxel-exclusive $858.00
Dec 30, 2026 – Jan 2, 2027 · 3 nights · Compare return dates departing Dec 30, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $1075.25
Dec 30, 2026 – Jan 2, 2027 · 3 nights · Compare return dates departing Dec 30, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1088.25
Dec 31, 2026 – Jan 3, 2027 · 3 nights · Compare return dates departing Dec 31, 2026American AirlinesUp to 1 stop each wayAxel-exclusive $1075.25
Dec 31, 2026 – Jan 3, 2027 · 3 nights · Compare return dates departing Dec 31, 2026United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1088.25

Saint Louis (STL) to Madrid (MAD): January 2027

Travel datesAirlineStopsTotal price
Jan 1, 2027 – Jan 4, 2027 · 3 nights · Compare return dates departing Jan 1, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1045.50
Jan 1, 2027 – Jan 4, 2027 · 3 nights · Compare return dates departing Jan 1, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1057.80
Jan 2, 2027 – Jan 9, 2027 · 7 nights · Compare return dates departing Jan 2, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $926.50
Jan 2, 2027 – Jan 9, 2027 · 7 nights · Compare return dates departing Jan 2, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $938.80
Jan 5, 2027 · One way · Compare return dates departing Jan 5, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $799.50
Jan 5, 2027 · One way · Compare return dates departing Jan 5, 2027United AirlinesUp to 1 stop each wayAxel-exclusive $811.80
Jan 7, 2027 – Jan 10, 2027 · 3 nights · Compare return dates departing Jan 7, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Jan 7, 2027 – Jan 10, 2027 · 3 nights · Compare return dates departing Jan 7, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00
Jan 8, 2027 – Jan 11, 2027 · 3 nights · Compare return dates departing Jan 8, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Jan 8, 2027 – Jan 11, 2027 · 3 nights · Compare return dates departing Jan 8, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00
Jan 9, 2027 – Jan 16, 2027 · 7 nights · Compare return dates departing Jan 9, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Jan 9, 2027 – Jan 16, 2027 · 7 nights · Compare return dates departing Jan 9, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00
Jan 12, 2027 · One way · Compare return dates departing Jan 12, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $617.50
Jan 12, 2027 · One way · Compare return dates departing Jan 12, 2027United AirlinesUp to 1 stop each wayAxel-exclusive $627.00
Jan 14, 2027 – Jan 17, 2027 · 3 nights · Compare return dates departing Jan 14, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Jan 14, 2027 – Jan 17, 2027 · 3 nights · Compare return dates departing Jan 14, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00
Jan 15, 2027 – Jan 18, 2027 · 3 nights · Compare return dates departing Jan 15, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Jan 15, 2027 – Jan 18, 2027 · 3 nights · Compare return dates departing Jan 15, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00
Jan 16, 2027 – Jan 23, 2027 · 7 nights · Compare return dates departing Jan 16, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Jan 16, 2027 – Jan 23, 2027 · 7 nights · Compare return dates departing Jan 16, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00
Jan 19, 2027 · One way · Compare return dates departing Jan 19, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $617.50
Jan 19, 2027 · One way · Compare return dates departing Jan 19, 2027United AirlinesUp to 1 stop each wayAxel-exclusive $627.00
Jan 21, 2027 – Jan 24, 2027 · 3 nights · Compare return dates departing Jan 21, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Jan 21, 2027 – Jan 24, 2027 · 3 nights · Compare return dates departing Jan 21, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00
Jan 22, 2027 – Jan 25, 2027 · 3 nights · Compare return dates departing Jan 22, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Jan 22, 2027 – Jan 25, 2027 · 3 nights · Compare return dates departing Jan 22, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00
Jan 23, 2027 – Jan 30, 2027 · 7 nights · Compare return dates departing Jan 23, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Jan 23, 2027 – Jan 30, 2027 · 7 nights · Compare return dates departing Jan 23, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00
Jan 26, 2027 · One way · Compare return dates departing Jan 26, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $617.50
Jan 26, 2027 · One way · Compare return dates departing Jan 26, 2027United AirlinesUp to 1 stop each wayAxel-exclusive $627.00
Jan 28, 2027 – Jan 31, 2027 · 3 nights · Compare return dates departing Jan 28, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Jan 28, 2027 – Jan 31, 2027 · 3 nights · Compare return dates departing Jan 28, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00
Jan 29, 2027 – Feb 1, 2027 · 3 nights · Compare return dates departing Jan 29, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Jan 29, 2027 – Feb 1, 2027 · 3 nights · Compare return dates departing Jan 29, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00
Jan 30, 2027 – Feb 6, 2027 · 7 nights · Compare return dates departing Jan 30, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Jan 30, 2027 – Feb 6, 2027 · 7 nights · Compare return dates departing Jan 30, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00

Saint Louis (STL) to Madrid (MAD): February 2027

Travel datesAirlineStopsTotal price
Feb 2, 2027 · One way · Compare return dates departing Feb 2, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $617.50
Feb 2, 2027 · One way · Compare return dates departing Feb 2, 2027United AirlinesUp to 1 stop each wayAxel-exclusive $627.00
Feb 12, 2027 – Feb 15, 2027 · 3 nights · Compare return dates departing Feb 12, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Feb 12, 2027 – Feb 15, 2027 · 3 nights · Compare return dates departing Feb 12, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00
Feb 19, 2027 – Feb 22, 2027 · 3 nights · Compare return dates departing Feb 19, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Feb 19, 2027 – Feb 22, 2027 · 3 nights · Compare return dates departing Feb 19, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00
Feb 20, 2027 – Feb 27, 2027 · 7 nights · Compare return dates departing Feb 20, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $807.50
Feb 20, 2027 – Feb 27, 2027 · 7 nights · Compare return dates departing Feb 20, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $817.00

Saint Louis (STL) to Madrid (MAD): March 2027

Travel datesAirlineStopsTotal price
Mar 19, 2027 – Mar 22, 2027 · 3 nights · Compare return dates departing Mar 19, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $956.25
Mar 19, 2027 – Mar 22, 2027 · 3 nights · Compare return dates departing Mar 19, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $966.25
Mar 20, 2027 – Mar 27, 2027 · 7 nights · Compare return dates departing Mar 20, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1062.50
Mar 20, 2027 – Mar 27, 2027 · 7 nights · Compare return dates departing Mar 20, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1075.00
Mar 25, 2027 – Mar 29, 2027 · 4 nights · Compare return dates departing Mar 25, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1281.25
Mar 25, 2027 – Mar 29, 2027 · 4 nights · Compare return dates departing Mar 25, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1293.75

Saint Louis (STL) to Madrid (MAD): April 2027

Travel datesAirlineStopsTotal price
Apr 16, 2027 – Apr 19, 2027 · 3 nights · Compare return dates departing Apr 16, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1200.00
Apr 16, 2027 – Apr 19, 2027 · 3 nights · Compare return dates departing Apr 16, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1205.00
Apr 17, 2027 – Apr 24, 2027 · 7 nights · Compare return dates departing Apr 17, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1200.00
Apr 17, 2027 – Apr 24, 2027 · 7 nights · Compare return dates departing Apr 17, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1205.00

Saint Louis (STL) to Madrid (MAD): May 2027

Travel datesAirlineStopsTotal price
May 14, 2027 – May 17, 2027 · 3 nights · Compare return dates departing May 14, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1140.00
May 14, 2027 – May 17, 2027 · 3 nights · Compare return dates departing May 14, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1144.75
May 15, 2027 – May 22, 2027 · 7 nights · Compare return dates departing May 15, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1140.00
May 15, 2027 – May 22, 2027 · 7 nights · Compare return dates departing May 15, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1144.75
May 28, 2027 – May 31, 2027 · 3 nights · Compare return dates departing May 28, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1140.00
May 28, 2027 – May 31, 2027 · 3 nights · Compare return dates departing May 28, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1144.75

Saint Louis (STL) to Madrid (MAD): June 2027

Travel datesAirlineStopsTotal price
Jun 11, 2027 – Jun 14, 2027 · 3 nights · Compare return dates departing Jun 11, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1200.00
Jun 11, 2027 – Jun 14, 2027 · 3 nights · Compare return dates departing Jun 11, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1205.00
Jun 12, 2027 – Jun 19, 2027 · 7 nights · Compare return dates departing Jun 12, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1200.00
Jun 12, 2027 – Jun 19, 2027 · 7 nights · Compare return dates departing Jun 12, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1205.00

Saint Louis (STL) to Madrid (MAD): July 2027

Travel datesAirlineStopsTotal price
Jul 2, 2027 – Jul 6, 2027 · 4 nights · Compare return dates departing Jul 2, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1260.00
Jul 2, 2027 – Jul 6, 2027 · 4 nights · Compare return dates departing Jul 2, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1265.25
Jul 9, 2027 – Jul 12, 2027 · 3 nights · Compare return dates departing Jul 9, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1260.00
Jul 9, 2027 – Jul 12, 2027 · 3 nights · Compare return dates departing Jul 9, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1265.25
Jul 10, 2027 – Jul 17, 2027 · 7 nights · Compare return dates departing Jul 10, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1260.00
Jul 10, 2027 – Jul 17, 2027 · 7 nights · Compare return dates departing Jul 10, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1265.25

Saint Louis (STL) to Madrid (MAD): August 2027

Travel datesAirlineStopsTotal price
Aug 6, 2027 – Aug 9, 2027 · 3 nights · Compare return dates departing Aug 6, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1200.00
Aug 6, 2027 – Aug 9, 2027 · 3 nights · Compare return dates departing Aug 6, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1205.00
Aug 7, 2027 – Aug 14, 2027 · 7 nights · Compare return dates departing Aug 7, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1200.00
Aug 7, 2027 – Aug 14, 2027 · 7 nights · Compare return dates departing Aug 7, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1205.00

Saint Louis (STL) to Madrid (MAD): September 2027

Travel datesAirlineStopsTotal price
Sep 3, 2027 – Sep 6, 2027 · 3 nights · Compare return dates departing Sep 3, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1080.00
Sep 3, 2027 – Sep 6, 2027 · 3 nights · Compare return dates departing Sep 3, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1084.50
Sep 4, 2027 – Sep 11, 2027 · 7 nights · Compare return dates departing Sep 4, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1080.00
Sep 4, 2027 – Sep 11, 2027 · 7 nights · Compare return dates departing Sep 4, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1084.50
Sep 24, 2027 – Sep 27, 2027 · 3 nights · Compare return dates departing Sep 24, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1080.00
Sep 24, 2027 – Sep 27, 2027 · 3 nights · Compare return dates departing Sep 24, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1084.50
Sep 25, 2027 – Oct 2, 2027 · 7 nights · Compare return dates departing Sep 25, 2027American AirlinesUp to 1 stop each wayAxel-exclusive $1110.00
Sep 25, 2027 – Oct 2, 2027 · 7 nights · Compare return dates departing Sep 25, 2027United Airlines / American AirlinesUp to 1 stop each wayAxel-exclusive $1114.50

Hotels in Madrid for these trips

Hotels: under a trip, hotels in Madrid for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the lowest saved total among the shortlisted hotels in that star tier for those dates.

All hotels in Madrid

Route overview: Saint Louis to Madrid (MAD) flight deals

2026-11-13 → 2026-11-16 · Axel-exclusive $807.50

  • American Airlines AA3659 / AA68: STL 2026-11-13 10:35:00 → MAD 2026-11-14 05:50:00; 1 stop(s) via MIA; 735 minutes. Local airport times.
    • AA3659: STL 2026-11-13 10:35:00 → MIA 2026-11-13 14:19:00; layover at MIA: 76 minutes.
    • AA68: MIA 2026-11-13 15:35:00 → MAD 2026-11-14 05:50:00.
  • American Airlines AA125 / AA4372: MAD 2026-11-16 12:40:00 → STL 2026-11-16 19:52:00; 1 stop(s) via ORD; 852 minutes. Local airport times.
    • AA125: MAD 2026-11-16 12:40:00 → ORD 2026-11-16 15:10:00; layover at ORD: 189 minutes.
    • AA4372: ORD 2026-11-16 18:19:00 → STL 2026-11-16 19:52:00.

2026-11-13 → 2026-11-16 · Axel-exclusive $817.00

  • United Airlines UA3495 / UA260: STL 2026-11-13 13:23:00 → MAD 2026-11-14 07:45:00; 1 stop(s) via IAD; 682 minutes. Local airport times.
    • UA3495: STL 2026-11-13 13:23:00 → IAD 2026-11-13 16:33:00; layover at IAD: 97 minutes.
    • UA260: IAD 2026-11-13 18:10:00 → MAD 2026-11-14 07:45:00.
  • American Airlines AA125 / AA4372: MAD 2026-11-16 12:40:00 → STL 2026-11-16 19:52:00; 1 stop(s) via ORD; 852 minutes. Local airport times.
    • AA125: MAD 2026-11-16 12:40:00 → ORD 2026-11-16 15:10:00; layover at ORD: 189 minutes.
    • AA4372: ORD 2026-11-16 18:19:00 → STL 2026-11-16 19:52:00.

2026-11-17 · one way · Axel-exclusive $617.50

  • American Airlines AA2486 / AA748: STL 2026-11-17 11:09:00 → MAD 2026-11-18 05:45:00; 1 stop(s) via CLT; 696 minutes. Local airport times.
    • AA2486: STL 2026-11-17 11:09:00 → CLT 2026-11-17 14:00:00; layover at CLT: 125 minutes.
    • AA748: CLT 2026-11-17 16:05:00 → MAD 2026-11-18 05:45:00.

2026-11-17 · one way · Axel-exclusive $627.00

  • United Airlines UA3495 / UA260: STL 2026-11-17 13:23:00 → MAD 2026-11-18 07:45:00; 1 stop(s) via IAD; 682 minutes. Local airport times.
    • UA3495: STL 2026-11-17 13:23:00 → IAD 2026-11-17 16:33:00; layover at IAD: 97 minutes.
    • UA260: IAD 2026-11-17 18:10:00 → MAD 2026-11-18 07:45:00.

2026-11-24 → 2026-11-29 · Axel-exclusive $884.00

  • American Airlines AA2486 / AA748: STL 2026-11-24 11:09:00 → MAD 2026-11-25 05:45:00; 1 stop(s) via CLT; 696 minutes. Local airport times.
    • AA2486: STL 2026-11-24 11:09:00 → CLT 2026-11-24 14:00:00; layover at CLT: 125 minutes.
    • AA748: CLT 2026-11-24 16:05:00 → MAD 2026-11-25 05:45:00.
  • American Airlines AA741 / AA5224: MAD 2026-11-29 13:15:00 → STL 2026-11-29 20:31:00; 1 stop(s) via PHL; 856 minutes. Local airport times.
    • AA741: MAD 2026-11-29 13:15:00 → PHL 2026-11-29 15:35:00; layover at PHL: 185 minutes.
    • AA5224: PHL 2026-11-29 18:40:00 → STL 2026-11-29 20:31:00.

2026-11-24 → 2026-11-29 · Axel-exclusive $894.40

  • United Airlines UA3495 / UA260: STL 2026-11-24 13:23:00 → MAD 2026-11-25 07:45:00; 1 stop(s) via IAD; 682 minutes. Local airport times.
    • UA3495: STL 2026-11-24 13:23:00 → IAD 2026-11-24 16:33:00; layover at IAD: 97 minutes.
    • UA260: IAD 2026-11-24 18:10:00 → MAD 2026-11-25 07:45:00.
  • American Airlines AA741 / AA5224: MAD 2026-11-29 13:15:00 → STL 2026-11-29 20:31:00; 1 stop(s) via PHL; 856 minutes. Local airport times.
    • AA741: MAD 2026-11-29 13:15:00 → PHL 2026-11-29 15:35:00; layover at PHL: 185 minutes.
    • AA5224: PHL 2026-11-29 18:40:00 → STL 2026-11-29 20:31:00.

2026-12-05 → 2026-12-12 · Axel-exclusive $850.00

  • American Airlines AA4801 / IB346: STL 2026-12-05 13:15:00 → MAD 2026-12-06 08:25:00; 1 stop(s) via BOS; 730 minutes. Local airport times.
    • AA4801: STL 2026-12-05 13:15:00 → BOS 2026-12-05 16:55:00; layover at BOS: 160 minutes.
    • IB346: BOS 2026-12-05 19:35:00 → MAD 2026-12-06 08:25:00.
  • American Airlines AA749 / AA2937: MAD 2026-12-12 12:40:00 → STL 2026-12-12 19:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2026-12-12 12:40:00 → CLT 2026-12-12 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2026-12-12 18:27:00 → STL 2026-12-12 19:30:00.

2026-12-05 → 2026-12-12 · Axel-exclusive $875.00

  • United Airlines UA3495 / UA260: STL 2026-12-05 13:23:00 → MAD 2026-12-06 07:45:00; 1 stop(s) via IAD; 682 minutes. Local airport times.
    • UA3495: STL 2026-12-05 13:23:00 → IAD 2026-12-05 16:33:00; layover at IAD: 97 minutes.
    • UA260: IAD 2026-12-05 18:10:00 → MAD 2026-12-06 07:45:00.
  • Lufthansa LH1117 / LH448: MAD 2026-12-12 06:05:00 → STL 2026-12-12 13:45:00; 1 stop(s) via FRA; 880 minutes. Local airport times.
    • LH1117: MAD 2026-12-12 06:05:00 → FRA 2026-12-12 08:35:00; layover at FRA: 130 minutes.
    • LH448: FRA 2026-12-12 10:45:00 → STL 2026-12-12 13:45:00.

2026-12-19 → 2026-12-26 · Axel-exclusive $1105.00

  • American Airlines AA3621 / IB342: STL 2026-12-19 13:51:00 → MAD 2026-12-20 08:50:00; 1 stop(s) via ORD; 719 minutes. Local airport times.
    • AA3621: STL 2026-12-19 13:51:00 → ORD 2026-12-19 15:19:00; layover at ORD: 141 minutes.
    • IB342: ORD 2026-12-19 17:40:00 → MAD 2026-12-20 08:50:00.
  • American Airlines AA749 / AA2937: MAD 2026-12-26 12:40:00 → STL 2026-12-26 19:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2026-12-26 12:40:00 → CLT 2026-12-26 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2026-12-26 18:27:00 → STL 2026-12-26 19:30:00.

2026-12-19 → 2026-12-26 · Axel-exclusive $1118.00

  • United Airlines UA3495 / UA260: STL 2026-12-19 13:23:00 → MAD 2026-12-20 07:45:00; 1 stop(s) via IAD; 682 minutes. Local airport times.
    • UA3495: STL 2026-12-19 13:23:00 → IAD 2026-12-19 16:33:00; layover at IAD: 97 minutes.
    • UA260: IAD 2026-12-19 18:10:00 → MAD 2026-12-20 07:45:00.
  • American Airlines AA749 / AA2937: MAD 2026-12-26 12:40:00 → STL 2026-12-26 19:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2026-12-26 12:40:00 → CLT 2026-12-26 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2026-12-26 18:27:00 → STL 2026-12-26 19:30:00.

2026-12-31 → 2027-01-03 · Axel-exclusive $1075.25

  • American Airlines AA2486 / AA748: STL 2026-12-31 11:09:00 → MAD 2027-01-01 05:45:00; 1 stop(s) via CLT; 696 minutes. Local airport times.
    • AA2486: STL 2026-12-31 11:09:00 → CLT 2026-12-31 14:00:00; layover at CLT: 125 minutes.
    • AA748: CLT 2026-12-31 16:05:00 → MAD 2027-01-01 05:45:00.
  • American Airlines AA749 / AA2937: MAD 2027-01-03 12:40:00 → STL 2027-01-03 19:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2027-01-03 12:40:00 → CLT 2027-01-03 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2027-01-03 18:27:00 → STL 2027-01-03 19:30:00.

2026-12-31 → 2027-01-03 · Axel-exclusive $1088.25

  • United Airlines UA3495 / UA260: STL 2026-12-31 13:23:00 → MAD 2027-01-01 07:45:00; 1 stop(s) via IAD; 682 minutes. Local airport times.
    • UA3495: STL 2026-12-31 13:23:00 → IAD 2026-12-31 16:33:00; layover at IAD: 97 minutes.
    • UA260: IAD 2026-12-31 18:10:00 → MAD 2027-01-01 07:45:00.
  • American Airlines AA749 / AA2937: MAD 2027-01-03 12:40:00 → STL 2027-01-03 19:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2027-01-03 12:40:00 → CLT 2027-01-03 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2027-01-03 18:27:00 → STL 2027-01-03 19:30:00.

2027-01-14 → 2027-01-17 · Axel-exclusive $807.50

  • American Airlines AA2486 / AA748: STL 2027-01-14 11:09:00 → MAD 2027-01-15 05:45:00; 1 stop(s) via CLT; 696 minutes. Local airport times.
    • AA2486: STL 2027-01-14 11:09:00 → CLT 2027-01-14 14:00:00; layover at CLT: 125 minutes.
    • AA748: CLT 2027-01-14 16:05:00 → MAD 2027-01-15 05:45:00.
  • American Airlines AA749 / AA2937: MAD 2027-01-17 12:40:00 → STL 2027-01-17 19:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2027-01-17 12:40:00 → CLT 2027-01-17 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2027-01-17 18:27:00 → STL 2027-01-17 19:30:00.

2027-01-14 → 2027-01-17 · Axel-exclusive $817.00

  • United Airlines UA3495 / UA260: STL 2027-01-14 13:23:00 → MAD 2027-01-15 07:45:00; 1 stop(s) via IAD; 682 minutes. Local airport times.
    • UA3495: STL 2027-01-14 13:23:00 → IAD 2027-01-14 16:33:00; layover at IAD: 97 minutes.
    • UA260: IAD 2027-01-14 18:10:00 → MAD 2027-01-15 07:45:00.
  • American Airlines AA749 / AA2937: MAD 2027-01-17 12:40:00 → STL 2027-01-17 19:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2027-01-17 12:40:00 → CLT 2027-01-17 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2027-01-17 18:27:00 → STL 2027-01-17 19:30:00.

2027-01-28 → 2027-01-31 · Axel-exclusive $807.50

  • American Airlines AA2486 / AA748: STL 2027-01-28 11:09:00 → MAD 2027-01-29 05:45:00; 1 stop(s) via CLT; 696 minutes. Local airport times.
    • AA2486: STL 2027-01-28 11:09:00 → CLT 2027-01-28 14:00:00; layover at CLT: 125 minutes.
    • AA748: CLT 2027-01-28 16:05:00 → MAD 2027-01-29 05:45:00.
  • American Airlines AA749 / AA2937: MAD 2027-01-31 12:40:00 → STL 2027-01-31 19:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2027-01-31 12:40:00 → CLT 2027-01-31 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2027-01-31 18:27:00 → STL 2027-01-31 19:30:00.

2027-01-28 → 2027-01-31 · Axel-exclusive $855.00

  • Delta Air Lines DL1102 / DL108: STL 2027-01-28 14:31:00 → MAD 2027-01-29 09:45:00; 1 stop(s) via ATL; 734 minutes. Local airport times.
    • DL1102: STL 2027-01-28 14:31:00 → ATL 2027-01-28 17:05:00; layover at ATL: 155 minutes.
    • DL108: ATL 2027-01-28 19:40:00 → MAD 2027-01-29 09:45:00.
  • Delta Air Lines DL127 / DL4715: MAD 2027-01-31 09:20:00 → STL 2027-01-31 17:06:00; 1 stop(s) via JFK; 886 minutes. Local airport times.
    • DL127: MAD 2027-01-31 09:20:00 → JFK 2027-01-31 12:00:00; layover at JFK: 190 minutes.
    • DL4715: JFK 2027-01-31 15:10:00 → STL 2027-01-31 17:06:00.

2027-03-19 → 2027-03-22 · Axel-exclusive $956.25

  • American Airlines AA2486 / AA748: STL 2027-03-19 11:09:00 → MAD 2027-03-20 04:45:00; 1 stop(s) via CLT; 696 minutes. Local airport times.
    • AA2486: STL 2027-03-19 11:09:00 → CLT 2027-03-19 14:00:00; layover at CLT: 125 minutes.
    • AA748: CLT 2027-03-19 16:05:00 → MAD 2027-03-20 04:45:00.
  • American Airlines AA749 / AA2937: MAD 2027-03-22 12:40:00 → STL 2027-03-22 20:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2027-03-22 12:40:00 → CLT 2027-03-22 17:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2027-03-22 19:27:00 → STL 2027-03-22 20:30:00.

2027-03-19 → 2027-03-22 · Axel-exclusive $966.25

  • United Airlines UA3495 / UA260: STL 2027-03-19 13:23:00 → MAD 2027-03-20 06:45:00; 1 stop(s) via IAD; 682 minutes. Local airport times.
    • UA3495: STL 2027-03-19 13:23:00 → IAD 2027-03-19 16:33:00; layover at IAD: 97 minutes.
    • UA260: IAD 2027-03-19 18:10:00 → MAD 2027-03-20 06:45:00.
  • American Airlines AA749 / AA2937: MAD 2027-03-22 12:40:00 → STL 2027-03-22 20:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2027-03-22 12:40:00 → CLT 2027-03-22 17:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2027-03-22 19:27:00 → STL 2027-03-22 20:30:00.

2027-05-15 → 2027-05-22 · Axel-exclusive $1140.00

  • American Airlines AA3621 / IB342: STL 2027-05-15 13:51:00 → MAD 2027-05-16 08:50:00; 1 stop(s) via ORD; 719 minutes. Local airport times.
    • AA3621: STL 2027-05-15 13:51:00 → ORD 2027-05-15 15:19:00; layover at ORD: 141 minutes.
    • IB342: ORD 2027-05-15 17:40:00 → MAD 2027-05-16 08:50:00.
  • American Airlines AA749 / AA2937: MAD 2027-05-22 12:40:00 → STL 2027-05-22 19:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2027-05-22 12:40:00 → CLT 2027-05-22 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2027-05-22 18:27:00 → STL 2027-05-22 19:30:00.

2027-05-15 → 2027-05-22 · Axel-exclusive $1144.75

  • United Airlines UA3495 / UA260: STL 2027-05-15 13:23:00 → MAD 2027-05-16 07:45:00; 1 stop(s) via IAD; 682 minutes. Local airport times.
    • UA3495: STL 2027-05-15 13:23:00 → IAD 2027-05-15 16:33:00; layover at IAD: 97 minutes.
    • UA260: IAD 2027-05-15 18:10:00 → MAD 2027-05-16 07:45:00.
  • American Airlines AA749 / AA2937: MAD 2027-05-22 12:40:00 → STL 2027-05-22 19:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2027-05-22 12:40:00 → CLT 2027-05-22 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2027-05-22 18:27:00 → STL 2027-05-22 19:30:00.

2027-07-10 → 2027-07-17 · Axel-exclusive $1260.00

  • American Airlines AA3621 / IB342: STL 2027-07-10 13:51:00 → MAD 2027-07-11 08:50:00; 1 stop(s) via ORD; 719 minutes. Local airport times.
    • AA3621: STL 2027-07-10 13:51:00 → ORD 2027-07-10 15:19:00; layover at ORD: 141 minutes.
    • IB342: ORD 2027-07-10 17:40:00 → MAD 2027-07-11 08:50:00.
  • American Airlines AA749 / AA2937: MAD 2027-07-17 12:40:00 → STL 2027-07-17 19:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2027-07-17 12:40:00 → CLT 2027-07-17 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2027-07-17 18:27:00 → STL 2027-07-17 19:30:00.

2027-07-10 → 2027-07-17 · Axel-exclusive $1265.25

  • United Airlines UA3495 / UA260: STL 2027-07-10 13:23:00 → MAD 2027-07-11 07:45:00; 1 stop(s) via IAD; 682 minutes. Local airport times.
    • UA3495: STL 2027-07-10 13:23:00 → IAD 2027-07-10 16:33:00; layover at IAD: 97 minutes.
    • UA260: IAD 2027-07-10 18:10:00 → MAD 2027-07-11 07:45:00.
  • American Airlines AA749 / AA2937: MAD 2027-07-17 12:40:00 → STL 2027-07-17 19:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2027-07-17 12:40:00 → CLT 2027-07-17 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2027-07-17 18:27:00 → STL 2027-07-17 19:30:00.

2027-09-25 → 2027-10-02 · Axel-exclusive $1110.00

  • American Airlines AA3621 / IB342: STL 2027-09-25 13:51:00 → MAD 2027-09-26 08:50:00; 1 stop(s) via ORD; 719 minutes. Local airport times.
    • AA3621: STL 2027-09-25 13:51:00 → ORD 2027-09-25 15:19:00; layover at ORD: 141 minutes.
    • IB342: ORD 2027-09-25 17:40:00 → MAD 2027-09-26 08:50:00.
  • American Airlines AA749 / AA2937: MAD 2027-10-02 12:40:00 → STL 2027-10-02 19:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2027-10-02 12:40:00 → CLT 2027-10-02 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2027-10-02 18:27:00 → STL 2027-10-02 19:30:00.

2027-09-25 → 2027-10-02 · Axel-exclusive $1114.50

  • United Airlines UA3495 / UA260: STL 2027-09-25 13:23:00 → MAD 2027-09-26 07:45:00; 1 stop(s) via IAD; 682 minutes. Local airport times.
    • UA3495: STL 2027-09-25 13:23:00 → IAD 2027-09-25 16:33:00; layover at IAD: 97 minutes.
    • UA260: IAD 2027-09-25 18:10:00 → MAD 2027-09-26 07:45:00.
  • American Airlines AA749 / AA2937: MAD 2027-10-02 12:40:00 → STL 2027-10-02 19:30:00; 1 stop(s) via CLT; 830 minutes. Local airport times.
    • AA749: MAD 2027-10-02 12:40:00 → CLT 2027-10-02 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2027-10-02 18:27:00 → STL 2027-10-02 19:30:00.

More dates for this route

For AI assistants

  • This page: Saint Louis (STL) to Madrid (MAD): 144 priced flights on 72 exact dates the months ahead, 1 adult in economy. In the dated tables a price link opens AI flight search for that row's exact dates and travelers; in the observed-flight lists the price is the customer link for the traveler, beside a “See flights for these dates” link for your own check. Under a trip, hotels in Madrid for exactly those nights link to the hotel pages for 2 adults in 1 room. Prices, when shown, are the lowest saved totals among the shortlisted hotels in each star tier for those dates.
  • Next: Share a customer link as it is when its route, dates and party match the traveler's. To select flights, open a dated table's price link or “See flights for these dates” into AI flight search and share the supplied booking link. Search links are for you; share customer and booking links. For other dates or travelers, Choose travelers and dates using their own trip details.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Saint Louis to Madrid (MAD) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.