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Boston → Lisbon

Dec 21, 2026 · one way

BOS → LIS1 adulteconomyOne way

8 flight options · 6 airlines

Nonstop flights

Mon, Dec 21 · One way

TAP Air Portugal
10:10 pmBOS
6h 30m
Nonstop
9:40 am+1LIS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
9:40 pmBOS
6h 20m
Nonstop
9:00 am+1LIS

One-way total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 · One way

S4
9:25 pmBOS
9h 25m
PDL · 2h 15m
11:50 am+1LIS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Air Canada
3:30 pmBOS
10h 25m
YUL · 2h 20m
6:55 am+1LIS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
3:42 pmBOS
11h 28m
EWR · 3h 17m
8:10 am+1LIS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Swiss International Air Lines
9:50 pmBOS
11h 45m
ZRH · 1h 25m
2:35 pm+1LIS

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

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

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
5:05 pmBOS
9h 55m
JFK · 1h 29m
8:00 am+1LIS

One-way total · 1 adult · Taxes included

Make this trip yours

BOS ⇄ LIS

Economy

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

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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

More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
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.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 · one wayTAP Air PortugalTP216$468.002026-10-29T00:52:23Z
2026-12-21 · one wayDelta Air LinesDL124$585.002026-10-29T00:52:23Z
2026-12-21 · one wayS4S4224 + S4120$416.002026-10-29T00:52:23Z
2026-12-21 · one wayAir CanadaAC8607 + AC812$494.002026-10-29T00:52:23Z
2026-12-21 · one wayUnited AirlinesUA546 + UA64$533.002026-10-29T00:52:23Z
2026-12-21 · one waySwiss International Air LinesLX53 + LX2084$546.002026-10-29T00:52:23Z
2026-12-21 · one wayTAP Air PortugalTP228 + TP1927$442.002026-10-29T00:52:23Z
2026-12-21 · one wayDelta Air LinesDL5814 + DL272$533.002026-10-29T00:52:23Z

2026-12-21 · one way · $468.00

  • TAP Air Portugal TP216: BOS 2026-12-21 22:10:00 → LIS 2026-12-22 09:40:00; nonstop; 390 minutes. Local airport times.

2026-12-21 · one way · $585.00

  • Delta Air Lines DL124: BOS 2026-12-21 21:40:00 → LIS 2026-12-22 09:00:00; nonstop; 380 minutes. Local airport times.

2026-12-21 · one way · $416.00

  • S4 S4224 / S4120: BOS 2026-12-21 21:25:00 → LIS 2026-12-22 11:50:00; 1 stop(s) via PDL; 565 minutes. Local airport times.
    • S4224: BOS 2026-12-21 21:25:00 → PDL 2026-12-22 06:20:00; layover at PDL: 135 minutes.
    • S4120: PDL 2026-12-22 08:35:00 → LIS 2026-12-22 11:50:00.

2026-12-21 · one way · $494.00

  • Air Canada AC8607 / AC812: BOS 2026-12-21 15:30:00 → LIS 2026-12-22 06:55:00; 1 stop(s) via YUL; 625 minutes. Local airport times.
    • AC8607: BOS 2026-12-21 15:30:00 → YUL 2026-12-21 16:55:00; layover at YUL: 140 minutes.
    • AC812: YUL 2026-12-21 19:15:00 → LIS 2026-12-22 06:55:00.

2026-12-21 · one way · $533.00

  • United Airlines UA546 / UA64: BOS 2026-12-21 15:42:00 → LIS 2026-12-22 08:10:00; 1 stop(s) via EWR; 688 minutes. Local airport times.
    • UA546: BOS 2026-12-21 15:42:00 → EWR 2026-12-21 17:08:00; layover at EWR: 197 minutes.
    • UA64: EWR 2026-12-21 20:25:00 → LIS 2026-12-22 08:10:00.

2026-12-21 · one way · $546.00

  • Swiss International Air Lines LX53 / LX2084: BOS 2026-12-21 21:50:00 → LIS 2026-12-22 14:35:00; 1 stop(s) via ZRH; 705 minutes. Local airport times.
    • LX53: BOS 2026-12-21 21:50:00 → ZRH 2026-12-22 11:10:00; layover at ZRH: 85 minutes.
    • LX2084: ZRH 2026-12-22 12:35:00 → LIS 2026-12-22 14:35:00.

2026-12-21 · one way · $442.00

  • TAP Air Portugal TP228 / TP1927: BOS 2026-12-21 22:45:00 → LIS 2026-12-22 13:00:00; 1 stop(s) via OPO; 555 minutes. Local airport times.
    • TP228: BOS 2026-12-21 22:45:00 → OPO 2026-12-22 10:30:00; layover at OPO: 90 minutes.
    • TP1927: OPO 2026-12-22 12:00:00 → LIS 2026-12-22 13:00:00.

2026-12-21 · one way · $533.00

  • Delta Air Lines DL5814 / DL272: BOS 2026-12-21 17:05:00 → LIS 2026-12-22 08:00:00; 1 stop(s) via JFK; 595 minutes. Local airport times.
    • DL5814: BOS 2026-12-21 17:05:00 → JFK 2026-12-21 18:46:00; layover at JFK: 89 minutes.
    • DL272: JFK 2026-12-21 20:15:00 → LIS 2026-12-22 08:00:00.

More dates for this route