Flights from United States to Portugal from $440.63*

Promo Code

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.

A scenic beach with distinctive rock formations, located in the Algarve region of Portugal.
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Flights with Aer Lingus

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Flights with Aer Lingus
From
To
Fare Type
Dates
Price
Boston (BOS)Lisbon (LIS)Roundtrip*
/
Economy
Feb 22 2026 - Feb 28 2026

From

$440.63

Seen: 6 hrs ago

Seattle (SEA)Lisbon (LIS)Roundtrip*
/
Economy
Apr 13 2026 - Apr 28 2026

From

$668.99

Seen: 4 hrs ago

Chicago (ORD)Lisbon (LIS)Roundtrip*
/
Economy
Apr 28 2026 - May 12 2026

From

$790.82

Seen: 4 hrs ago

Los Angeles (LAX)Lisbon (LIS)Roundtrip*
/
Economy
May 26 2026 - Jun 5 2026

From

$1,070.78

Seen: 9 hrs ago

Chicago (ORD)Faro (FAO)Roundtrip*
/
Economy
May 7 2026 - May 15 2026

From

$954.85

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.

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