Flights from United States to Portugal from $454.68*
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* Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.
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Flights with Aer Lingus
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Boston (BOS) | Lisbon (LIS) | Roundtrip* / Economy | 12 Apr 2026 - 19 Apr 2026 | From $568.91 Seen: 3 hrs ago |
| Boston (BOS) | Faro (FAO) | Roundtrip* / Economy | 10 Aug 2026 - 21 Aug 2026 | From $649.81 Seen: 1 hour ago |
| Washington, D.C. (IAD) | Lisbon (LIS) | Roundtrip* / Economy | 21 Apr 2026 - 29 Apr 2026 | From $775.13 Seen: 4 hrs ago |
| Chicago (ORD) | Faro (FAO) | Roundtrip* / Economy | 31 May 2026 - 8 Jun 2026 | From $938.85 Seen: 22 hrs ago |
| Denver (DEN) | Lisbon (LIS) | Roundtrip* / Economy | 30 May 2026 - 13 Jun 2026 | From $1,164.11 Seen: 5 hrs ago |
* Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.