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
Mar 22 2025 - Apr 6 2025

From

$623.53*

Seen: 18 hrs ago

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

From

$761.06*

Seen: 9 hrs ago

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

From

$841.55*

Seen: 17 hrs ago

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

From

$1,560.82*

Seen: 17 hrs ago

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

From

$893.40*

Seen: 11 hrs ago

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

From

$1,162.06*

Seen: 19 hrs ago

FromNew York (JFK)ToLisbon (LIS)Roundtrip*
/
Economy
May 13 2025 - May 18 2025

From

$812.06*

Seen: 19 hrs ago

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

From

$920.34*

Seen: 8 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