Flights from United States to Portugal from $441.08*
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Popular flights with Aer Lingus
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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) | Faro (FAO) | Roundtrip* / Economy | Feb 13 2026 - Feb 22 2026 | From $576.67 Seen: 21 hrs ago |
| New York (JFK) | Lisbon (LIS) | Roundtrip* / Economy | Oct 20 2025 - Oct 25 2025 | From $1,001.05 Seen: 10 hrs ago |
| Seattle (SEA) | Lisbon (LIS) | Roundtrip* / Economy | Oct 4 2025 - Oct 10 2025 | From $754.62 Seen: 2 hrs ago |
| Boston (BOS) | Lisbon (LIS) | Roundtrip* / Economy | Jan 4 2026 - Jan 10 2026 | From $728.23 Seen: 7 hrs ago |
| Chicago (ORD) | Lisbon (LIS) | Roundtrip* / Economy | Oct 14 2025 - Oct 20 2025 | From $692.00 Seen: 15 hrs ago |
| Denver (DEN) | Lisbon (LIS) | Roundtrip* / Economy | Oct 11 2025 - Oct 21 2025 | From $729.12 Seen: 15 hrs ago |
| Washington, D.C. (IAD) | Lisbon (LIS) | Roundtrip* / Economy | Nov 22 2025 - Nov 28 2025 | From $760.44 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.