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Route overview: Boston to Lisbon (LIS) flight deals

Boston → Lisbon

Dec 24, 2026 · return Jan 7, 2027

BOS → LIS1 adulteconomyRound trip

8 flight options · 6 airlines

Nonstop flights

Thu, Dec 24 – Thu, Jan 7

TAP Air Portugal
10:20 pmBOS
6h 35m
Nonstop
9:55 am+1LIS
TAP Air Portugal
5:15 pmLIS
8h
Nonstop
8:15 pmBOS

Round-trip total · 1 adult · Taxes included

Thu, Dec 24 – Thu, Jan 7

Delta Air Lines
9:30 pmBOS
6h 25m
Nonstop
8:55 am+1LIS
Delta Air Lines
11:15 amLIS
7h 38m
Nonstop
1:53 pmBOS

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Dec 24 – Thu, Jan 7

S4
9:25 pmBOS
9h 25m
PDL · 2h 15m
11:50 am+1LIS
S4
2:05 pmLIS
10h 55m
PDL · 2h 15m
8:00 pmBOS

Round-trip total · 1 adult · Taxes included

Thu, Dec 24 – Thu, Jan 7

Air Canada
3:30 pmBOS
10h 25m
YUL · 2h 20m
6:55 am+1LIS
Air Canada
11:20 amLIS
11h 38m
YYZ · 1h 30m
5:58 pmBOS

Round-trip total · 1 adult · Taxes included

Thu, Dec 24 – Thu, Jan 7

Swiss International Air Lines
9:50 pmBOS
11h 45m
ZRH · 1h 25m
2:35 pm+1LIS
TAP Air Portugal
5:15 pmLIS
8h
Nonstop
8:15 pmBOS

Round-trip total · 1 adult · Taxes included

Thu, Dec 24 – Thu, Jan 7

United Airlines
3:42 pmBOS
11h 28m
EWR · 3h 17m
8:10 am+1LIS
United Airlines
11:55 amLIS
12h 2m
IAD · 2h
6:57 pmBOS

Round-trip total · 1 adult · Taxes included

Thu, Dec 24 – Thu, Jan 7

TAP Air Portugal
10:45 pmBOS
9h 15m
OPO · 1h 30m
1:00 pm+1LIS
TAP Air Portugal
5:15 pmLIS
8h
Nonstop
8:15 pmBOS

Round-trip total · 1 adult · Taxes included

Thu, Dec 24 – Thu, Jan 7

Delta Air Lines
5:05 pmBOS
9h 55m
JFK · 1h 29m
8:00 am+1LIS
Delta Air Lines
11:15 amLIS
7h 38m
Nonstop
1:53 pmBOS

Round-trip total · 1 adult · Taxes included

Make this trip yours

BOS ⇄ LIS

Economy

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Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, TAP Air Portugal emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

Explore this route

All dates for this routeDec 23, 2026 → Jan 6, 2027Dec 25, 2026 → Jan 8, 2027
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Route overview: Boston to Lisbon (LIS) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-24 → 2027-01-07TAP Air PortugalTP216 / TP215$663.752026-10-29T00:52:23Z
2026-12-24 → 2027-01-07Delta Air LinesDL124 / DL125$810.002026-10-29T00:52:23Z
2026-12-24 → 2027-01-07S4S4224 + S4120 / S4125 + S4281$585.002026-10-29T00:52:23Z
2026-12-24 → 2027-01-07Air CanadaAC8607 + AC812 / AC811 + AC8696$686.252026-10-29T00:52:23Z
2026-12-24 → 2027-01-07Swiss International Air Lines / TAP Air PortugalLX53 + LX2084 / TP215$722.252026-10-29T00:52:23Z
2026-12-24 → 2027-01-07United AirlinesUA546 + UA64 / UA943 + UA688$742.502026-10-29T00:52:23Z
2026-12-24 → 2027-01-07TAP Air PortugalTP228 + TP1927 / TP215$637.752026-10-29T00:52:23Z
2026-12-24 → 2027-01-07Delta Air LinesDL5814 + DL272 / DL125$771.002026-10-29T00:52:23Z

2026-12-24 → 2027-01-07 · $663.75

  • TAP Air Portugal TP216: BOS 2026-12-24 22:20:00 → LIS 2026-12-25 09:55:00; nonstop; 395 minutes. Local airport times.
  • TAP Air Portugal TP215: LIS 2027-01-07 17:15:00 → BOS 2027-01-07 20:15:00; nonstop; 480 minutes. Local airport times.

2026-12-24 → 2027-01-07 · $810.00

  • Delta Air Lines DL124: BOS 2026-12-24 21:30:00 → LIS 2026-12-25 08:55:00; nonstop; 385 minutes. Local airport times.
  • Delta Air Lines DL125: LIS 2027-01-07 11:15:00 → BOS 2027-01-07 13:53:00; nonstop; 458 minutes. Local airport times.

2026-12-24 → 2027-01-07 · $585.00

  • S4 S4224 / S4120: BOS 2026-12-24 21:25:00 → LIS 2026-12-25 11:50:00; 1 stop(s) via PDL; 565 minutes. Local airport times.
    • S4224: BOS 2026-12-24 21:25:00 → PDL 2026-12-25 06:20:00; layover at PDL: 135 minutes.
    • S4120: PDL 2026-12-25 08:35:00 → LIS 2026-12-25 11:50:00.
  • S4 S4125 / S4281: LIS 2027-01-07 14:05:00 → BOS 2027-01-07 20:00:00; 1 stop(s) via PDL; 655 minutes. Local airport times.
    • S4125: LIS 2027-01-07 14:05:00 → PDL 2027-01-07 15:35:00; layover at PDL: 135 minutes.
    • S4281: PDL 2027-01-07 17:50:00 → BOS 2027-01-07 20:00:00.

2026-12-24 → 2027-01-07 · $686.25

  • Air Canada AC8607 / AC812: BOS 2026-12-24 15:30:00 → LIS 2026-12-25 06:55:00; 1 stop(s) via YUL; 625 minutes. Local airport times.
    • AC8607: BOS 2026-12-24 15:30:00 → YUL 2026-12-24 16:55:00; layover at YUL: 140 minutes.
    • AC812: YUL 2026-12-24 19:15:00 → LIS 2026-12-25 06:55:00.
  • Air Canada AC811 / AC8696: LIS 2027-01-07 11:20:00 → BOS 2027-01-07 17:58:00; 1 stop(s) via YYZ; 698 minutes. Local airport times.
    • AC811: LIS 2027-01-07 11:20:00 → YYZ 2027-01-07 14:45:00; layover at YYZ: 90 minutes.
    • AC8696: YYZ 2027-01-07 16:15:00 → BOS 2027-01-07 17:58:00.

2026-12-24 → 2027-01-07 · $722.25

  • Swiss International Air Lines LX53 / LX2084: BOS 2026-12-24 21:50:00 → LIS 2026-12-25 14:35:00; 1 stop(s) via ZRH; 705 minutes. Local airport times.
    • LX53: BOS 2026-12-24 21:50:00 → ZRH 2026-12-25 11:10:00; layover at ZRH: 85 minutes.
    • LX2084: ZRH 2026-12-25 12:35:00 → LIS 2026-12-25 14:35:00.
  • TAP Air Portugal TP215: LIS 2027-01-07 17:15:00 → BOS 2027-01-07 20:15:00; nonstop; 480 minutes. Local airport times.

2026-12-24 → 2027-01-07 · $742.50

  • United Airlines UA546 / UA64: BOS 2026-12-24 15:42:00 → LIS 2026-12-25 08:10:00; 1 stop(s) via EWR; 688 minutes. Local airport times.
    • UA546: BOS 2026-12-24 15:42:00 → EWR 2026-12-24 17:08:00; layover at EWR: 197 minutes.
    • UA64: EWR 2026-12-24 20:25:00 → LIS 2026-12-25 08:10:00.
  • United Airlines UA943 / UA688: LIS 2027-01-07 11:55:00 → BOS 2027-01-07 18:57:00; 1 stop(s) via IAD; 722 minutes. Local airport times.
    • UA943: LIS 2027-01-07 11:55:00 → IAD 2027-01-07 15:15:00; layover at IAD: 120 minutes.
    • UA688: IAD 2027-01-07 17:15:00 → BOS 2027-01-07 18:57:00.

2026-12-24 → 2027-01-07 · $637.75

  • TAP Air Portugal TP228 / TP1927: BOS 2026-12-24 22:45:00 → LIS 2026-12-25 13:00:00; 1 stop(s) via OPO; 555 minutes. Local airport times.
    • TP228: BOS 2026-12-24 22:45:00 → OPO 2026-12-25 10:30:00; layover at OPO: 90 minutes.
    • TP1927: OPO 2026-12-25 12:00:00 → LIS 2026-12-25 13:00:00.
  • TAP Air Portugal TP215: LIS 2027-01-07 17:15:00 → BOS 2027-01-07 20:15:00; nonstop; 480 minutes. Local airport times.

2026-12-24 → 2027-01-07 · $771.00

  • Delta Air Lines DL5814 / DL272: BOS 2026-12-24 17:05:00 → LIS 2026-12-25 08:00:00; 1 stop(s) via JFK; 595 minutes. Local airport times.
    • DL5814: BOS 2026-12-24 17:05:00 → JFK 2026-12-24 18:46:00; layover at JFK: 89 minutes.
    • DL272: JFK 2026-12-24 20:15:00 → LIS 2026-12-25 08:00:00.
  • Delta Air Lines DL125: LIS 2027-01-07 11:15:00 → BOS 2027-01-07 13:53:00; nonstop; 458 minutes. Local airport times.

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