Flights from United States to Portugal from $435.50*
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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 | Sep 18 2025 - Sep 28 2025 | From $942.37 Seen: 5 hrs ago |
| Boston (BOS) | Lisbon (LIS) | Roundtrip* / Economy | Sep 16 2025 - Sep 27 2025 | From $773.69 Seen: 12 hrs ago |
| Chicago (ORD) | Lisbon (LIS) | Roundtrip* / Economy | Oct 3 2025 - Oct 12 2025 | From $709.00 Seen: 13 hrs ago |
| Seattle (SEA) | Lisbon (LIS) | Roundtrip* / Economy | Sep 13 2025 - Sep 27 2025 | From $830.08 Seen: 17 hrs ago |
| New York (JFK) | Lisbon (LIS) | Roundtrip* / Economy | Dec 26 2025 - Jan 2 2026 | From $924.60 Seen: 11 hrs ago |
| Philadelphia (PHL) | Lisbon (LIS) | Roundtrip* / Economy | Apr 25 2026 - May 2 2026 | From $896.42 Seen: 18 hrs ago |
| Chicago (ORD) | Faro (FAO) | Roundtrip* / Economy | Oct 13 2025 - Oct 19 2025 | From $1,071.38 Seen: 12 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.