Boston → Porto
Dec 2, 2026 · return Dec 5, 2026
BOS → OPO1 adulteconomyRound trip
6 flight options · 5 airlines
One-stop flights
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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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Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.
| Exact travel dates | Airline | Flights | Total price | Price issued (UTC) |
|---|---|---|---|---|
| 2026-12-02 → 2026-12-05 | S4 | S4224 + S4172 / S4183 + S4235 | $510.00 | 2026-10-29T00:52:35Z |
| 2026-12-02 → 2026-12-05 | TAP Air Portugal | TP216 + TP1926 / TP1939 + TP217 | $560.00 | 2026-10-29T00:52:35Z |
| 2026-12-02 → 2026-12-05 | Iberia | IB346 + IB1149 / IB546 + IB345 | $590.00 | 2026-10-29T00:52:35Z |
| 2026-12-02 → 2026-12-05 | Air France / Iberia | AF61 + AF1528 / IB546 + IB345 | $620.00 | 2026-10-29T00:52:35Z |
| 2026-12-02 → 2026-12-05 | Delta Air Lines | DL5814 + DL138 / DL139 + DL5642 | $690.00 | 2026-10-29T00:52:35Z |
| 2026-12-02 → 2026-12-05 | TAP Air Portugal | TP228 / TP1939 + TP217 | $590.00 | 2026-10-29T00:52:35Z |
2026-12-02 → 2026-12-05 · $510.00
- S4 S4224 / S4172: BOS 2026-12-02 21:25:00 → OPO 2026-12-03 11:50:00; 1 stop(s) via PDL; 565 minutes. Local airport times.
- S4224: BOS 2026-12-02 21:25:00 → PDL 2026-12-03 06:20:00; layover at PDL: 130 minutes.
- S4172: PDL 2026-12-03 08:30:00 → OPO 2026-12-03 11:50:00.
- S4 S4183 / S4235: OPO 2026-12-05 14:10:00 → BOS 2026-12-05 20:00:00; 1 stop(s) via TER; 650 minutes. Local airport times.
- S4183: OPO 2026-12-05 14:10:00 → TER 2026-12-05 15:50:00; layover at TER: 120 minutes.
- S4235: TER 2026-12-05 17:50:00 → BOS 2026-12-05 20:00:00.
2026-12-02 → 2026-12-05 · $560.00
- TAP Air Portugal TP216 / TP1926: BOS 2026-12-02 22:20:00 → OPO 2026-12-03 13:30:00; 1 stop(s) via LIS; 610 minutes. Local airport times.
- TP216: BOS 2026-12-02 22:20:00 → LIS 2026-12-03 09:55:00; layover at LIS: 155 minutes.
- TP1926: LIS 2026-12-03 12:30:00 → OPO 2026-12-03 13:30:00.
- TAP Air Portugal TP1939 / TP217: OPO 2026-12-05 07:00:00 → BOS 2026-12-05 14:55:00; 1 stop(s) via LIS; 775 minutes. Local airport times.
- TP1939: OPO 2026-12-05 07:00:00 → LIS 2026-12-05 07:55:00; layover at LIS: 240 minutes.
- TP217: LIS 2026-12-05 11:55:00 → BOS 2026-12-05 14:55:00.
2026-12-02 → 2026-12-05 · $590.00
- Iberia IB346 / IB1149: BOS 2026-12-02 20:00:00 → OPO 2026-12-03 11:45:00; 1 stop(s) via MAD; 645 minutes. Local airport times.
- IB346: BOS 2026-12-02 20:00:00 → MAD 2026-12-03 08:50:00; layover at MAD: 155 minutes.
- IB1149: MAD 2026-12-03 11:25:00 → OPO 2026-12-03 11:45:00.
- Iberia IB546 / IB345: OPO 2026-12-05 12:25:00 → BOS 2026-12-05 18:25:00; 1 stop(s) via MAD; 660 minutes. Local airport times.
- IB546: OPO 2026-12-05 12:25:00 → MAD 2026-12-05 14:45:00; layover at MAD: 90 minutes.
- IB345: MAD 2026-12-05 16:15:00 → BOS 2026-12-05 18:25:00.
2026-12-02 → 2026-12-05 · $620.00
- Air France AF61 / AF1528: BOS 2026-12-02 18:20:00 → OPO 2026-12-03 10:35:00; 1 stop(s) via CDG; 675 minutes. Local airport times.
- AF61: BOS 2026-12-02 18:20:00 → CDG 2026-12-03 07:05:00; layover at CDG: 130 minutes.
- AF1528: CDG 2026-12-03 09:15:00 → OPO 2026-12-03 10:35:00.
- Iberia IB546 / IB345: OPO 2026-12-05 12:25:00 → BOS 2026-12-05 18:25:00; 1 stop(s) via MAD; 660 minutes. Local airport times.
- IB546: OPO 2026-12-05 12:25:00 → MAD 2026-12-05 14:45:00; layover at MAD: 90 minutes.
- IB345: MAD 2026-12-05 16:15:00 → BOS 2026-12-05 18:25:00.
2026-12-02 → 2026-12-05 · $690.00
- Delta Air Lines DL5814 / DL138: BOS 2026-12-02 17:05:00 → OPO 2026-12-03 08:15:00; 1 stop(s) via JFK; 610 minutes. Local airport times.
- DL5814: BOS 2026-12-02 17:05:00 → JFK 2026-12-02 18:46:00; layover at JFK: 104 minutes.
- DL138: JFK 2026-12-02 20:30:00 → OPO 2026-12-03 08:15:00.
- Delta Air Lines DL139 / DL5642: OPO 2026-12-05 10:15:00 → BOS 2026-12-05 17:23:00; 1 stop(s) via JFK; 728 minutes. Local airport times.
- DL139: OPO 2026-12-05 10:15:00 → JFK 2026-12-05 13:20:00; layover at JFK: 159 minutes.
- DL5642: JFK 2026-12-05 15:59:00 → BOS 2026-12-05 17:23:00.
2026-12-02 → 2026-12-05 · $590.00
- TAP Air Portugal TP228: BOS 2026-12-02 22:45:00 → OPO 2026-12-03 10:30:00; nonstop; 405 minutes. Local airport times.
- TAP Air Portugal TP1939 / TP217: OPO 2026-12-05 07:00:00 → BOS 2026-12-05 14:55:00; 1 stop(s) via LIS; 775 minutes. Local airport times.
- TP1939: OPO 2026-12-05 07:00:00 → LIS 2026-12-05 07:55:00; layover at LIS: 240 minutes.
- TP217: LIS 2026-12-05 11:55:00 → BOS 2026-12-05 14:55:00.