Flights from United States to Portugal from $471.64*

Popular flights with Aer Lingus

* 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

Flights with Aer Lingus
From
To
Fare Type
Dates
Price
FromBoston (BOS)ToLisbon (LIS)Roundtrip*
/
Economy
22 Mar 2025 - 6 Apr 2025

From

$623.53*

Seen: 22 hrs ago

FromChicago (ORD)ToLisbon (LIS)Roundtrip*
/
Economy
16 Jun 2025 - 24 Jun 2025

From

$761.06*

Seen: 13 hrs ago

FromSeattle (SEA)ToLisbon (LIS)Roundtrip*
/
Economy
7 Apr 2025 - 22 Apr 2025

From

$841.55*

Seen: 21 hrs ago

FromNew York (JFK)ToLisbon (LIS)Roundtrip*
/
Economy
21 Apr 2025 - 1 May 2025

From

$721.18*

Seen: 1 hour ago

FromBoston (BOS)ToFaro (FAO)Roundtrip*
/
Economy
31 Aug 2025 - 5 Sep 2025

From

$1,560.82*

Seen: 21 hrs ago

FromWashington, D.C. (IAD)ToLisbon (LIS)Roundtrip*
/
Economy
20 May 2025 - 25 May 2025

From

$893.40*

Seen: 14 hrs ago

FromLos Angeles (LAX)ToLisbon (LIS)Roundtrip*
/
Economy
29 Aug 2025 - 12 Sep 2025

From

$1,162.06*

Seen: 22 hrs ago

FromDenver (DEN)ToLisbon (LIS)Roundtrip*
/
Economy
22 May 2025 - 4 Jun 2025

From

$920.34*

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.

Explore More Flights from United States to Portugal