Flights from United States to Portugal from $604.49*
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 | Sep 20 2025 - Sep 30 2025 | From $835.61 Seen: 8 hrs ago |
| Seattle (SEA) | Lisbon (LIS) | Roundtrip* / Economy | Sep 23 2025 - Oct 3 2025 | From $873.16 Seen: 19 hrs ago |
| Boston (BOS) | Lisbon (LIS) | Roundtrip* / Economy | Aug 21 2025 - Aug 28 2025 | From $644.49 Seen: 23 hrs ago |
| Chicago (ORD) | Lisbon (LIS) | Roundtrip* / Economy | Jul 7 2025 - Jul 15 2025 | From $687.24 Seen: 5 hrs ago |
| Washington, D.C. (IAD) | Lisbon (LIS) | Roundtrip* / Economy | Jul 5 2025 - Jul 13 2025 | From $1,171.98 Seen: 6 hrs ago |
| Chicago (ORD) | Faro (FAO) | Roundtrip* / Economy | Oct 7 2025 - Oct 20 2025 | From $868.13 Seen: 13 hrs ago |
| Los Angeles (LAX) | Lisbon (LIS) | Roundtrip* / Economy | Sep 22 2025 - Sep 28 2025 | From $703.49 Seen: 19 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.