
Flights from United States to Portugal from $742.97*
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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) | Lisbon (LIS) | Roundtrip* / Economy | Jan 4 2027 - Jan 11 2027 | From $1,042.28 Seen: 14 hrs ago |
| Chicago (ORD) | Lisbon (LIS) | Roundtrip* / Economy | Dec 28 2026 - Jan 5 2027 | From $1,129.28 Seen: 18 hrs ago |
| Boston (BOS) | Faro (FAO) | Roundtrip* / Economy | Oct 4 2026 - Oct 11 2026 | From $924.62 Seen: 6 hrs ago |
| Cleveland (CLE) | Faro (FAO) | Roundtrip* / Economy | May 21 2027 - May 23 2027 | From $1,249.25 Seen: 17 hrs ago |
| Washington, D.C. (IAD) | Lisbon (LIS) | Roundtrip* / Economy | Oct 10 2026 - Oct 15 2026 | From $883.83 Seen: 14 hrs ago |
| Los Angeles (LAX) | Lisbon (LIS) | Roundtrip* / Economy | May 14 2027 - May 22 2027 | From $1,051.57 Seen: 12 hrs ago |
| Chicago (ORD) | Faro (FAO) | Roundtrip* / Economy | Oct 11 2026 - Oct 16 2026 | From $868.50 Seen: 7 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.