Boston → Lisbon
Dec 7, 2026 · one way
BOS → LIS1 adulteconomyOne way
8 flight options · 6 airlines
Nonstop flights
One-stop flights
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- 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
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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
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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.
Live price for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the flights there to get the current bookable total; the listed prices are the ones issued at the times shown.
Route overview: Boston to Lisbon (LIS) flight deals
| Exact travel dates | Airline | Flights | Total price | Price issued (UTC) |
|---|---|---|---|---|
| 2026-12-07 · one way | TAP Air Portugal | TP216 | $360.00 | 2026-10-29T00:52:23Z |
| 2026-12-07 · one way | Delta Air Lines | DL124 | $450.00 | 2026-10-29T00:52:23Z |
| 2026-12-07 · one way | S4 | S4224 + S4120 | $320.00 | 2026-10-29T00:52:23Z |
| 2026-12-07 · one way | Air Canada | AC8607 + AC812 | $380.00 | 2026-10-29T00:52:23Z |
| 2026-12-07 · one way | United Airlines | UA546 + UA64 | $410.00 | 2026-10-29T00:52:23Z |
| 2026-12-07 · one way | Swiss International Air Lines | LX53 + LX2084 | $420.00 | 2026-10-29T00:52:23Z |
| 2026-12-07 · one way | TAP Air Portugal | TP228 + TP1927 | $340.00 | 2026-10-29T00:52:23Z |
| 2026-12-07 · one way | Delta Air Lines | DL5814 + DL272 | $410.00 | 2026-10-29T00:52:23Z |
2026-12-07 · one way · $360.00
- TAP Air Portugal TP216: BOS 2026-12-07 22:10:00 → LIS 2026-12-08 09:40:00; nonstop; 390 minutes. Local airport times.
2026-12-07 · one way · $450.00
- Delta Air Lines DL124: BOS 2026-12-07 21:40:00 → LIS 2026-12-08 09:00:00; nonstop; 380 minutes. Local airport times.
2026-12-07 · one way · $320.00
- S4 S4224 / S4120: BOS 2026-12-07 21:25:00 → LIS 2026-12-08 11:50:00; 1 stop(s) via PDL; 565 minutes. Local airport times.
- S4224: BOS 2026-12-07 21:25:00 → PDL 2026-12-08 06:20:00; layover at PDL: 135 minutes.
- S4120: PDL 2026-12-08 08:35:00 → LIS 2026-12-08 11:50:00.
2026-12-07 · one way · $380.00
- Air Canada AC8607 / AC812: BOS 2026-12-07 15:30:00 → LIS 2026-12-08 06:55:00; 1 stop(s) via YUL; 625 minutes. Local airport times.
- AC8607: BOS 2026-12-07 15:30:00 → YUL 2026-12-07 16:55:00; layover at YUL: 140 minutes.
- AC812: YUL 2026-12-07 19:15:00 → LIS 2026-12-08 06:55:00.
2026-12-07 · one way · $410.00
- United Airlines UA546 / UA64: BOS 2026-12-07 15:42:00 → LIS 2026-12-08 08:10:00; 1 stop(s) via EWR; 688 minutes. Local airport times.
- UA546: BOS 2026-12-07 15:42:00 → EWR 2026-12-07 17:08:00; layover at EWR: 197 minutes.
- UA64: EWR 2026-12-07 20:25:00 → LIS 2026-12-08 08:10:00.
2026-12-07 · one way · $420.00
- Swiss International Air Lines LX53 / LX2084: BOS 2026-12-07 21:50:00 → LIS 2026-12-08 14:35:00; 1 stop(s) via ZRH; 705 minutes. Local airport times.
- LX53: BOS 2026-12-07 21:50:00 → ZRH 2026-12-08 11:10:00; layover at ZRH: 85 minutes.
- LX2084: ZRH 2026-12-08 12:35:00 → LIS 2026-12-08 14:35:00.
2026-12-07 · one way · $340.00
- TAP Air Portugal TP228 / TP1927: BOS 2026-12-07 22:45:00 → LIS 2026-12-08 13:00:00; 1 stop(s) via OPO; 555 minutes. Local airport times.
- TP228: BOS 2026-12-07 22:45:00 → OPO 2026-12-08 10:30:00; layover at OPO: 90 minutes.
- TP1927: OPO 2026-12-08 12:00:00 → LIS 2026-12-08 13:00:00.
2026-12-07 · one way · $410.00
- Delta Air Lines DL5814 / DL272: BOS 2026-12-07 17:05:00 → LIS 2026-12-08 08:00:00; 1 stop(s) via JFK; 595 minutes. Local airport times.
- DL5814: BOS 2026-12-07 17:05:00 → JFK 2026-12-07 18:46:00; layover at JFK: 89 minutes.
- DL272: JFK 2026-12-07 20:15:00 → LIS 2026-12-08 08:00:00.
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For AI assistants
- This page: Boston (BOS) to Lisbon (LIS) · Dec 7, 2026 · one way: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
- Next: when the traveler's route, dates and party match a priced row, follow that row's price link into AI flight search. Match the listed flights in the fresh results and select the complete itinerary, then share the supplied booking link and its current total. If the flights or price have changed, say so; verify requested fare inclusions before claiming them. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
- 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 Boston to Lisbon (LIS) 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. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. 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_fallbackusing IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace/return/YYYY-MM-DDwith/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.