Flights from United States to Portugal from $416.02*
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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 | Jan 16 2026 - Jan 27 2026 | From $440.90 Seen: 4 hrs ago |
| Chicago (ORD) | Lisbon (LIS) | Roundtrip* / Economy | Mar 22 2026 - Mar 30 2026 | From $638.46 Seen: 26 minutes ago |
| Boston (BOS) | Faro (FAO) | Roundtrip* / Economy | Feb 20 2026 - Feb 28 2026 | From $438.32 Seen: 1 hour ago |
| New York (JFK) | Lisbon (LIS) | Roundtrip* / Economy | Feb 13 2026 - Feb 20 2026 | From $416.22 Seen: 12 hrs ago |
| Washington, D.C. (IAD) | Lisbon (LIS) | Roundtrip* / Economy | Mar 28 2026 - Apr 4 2026 | From $1,023.10 Seen: 11 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.