Flights from Seattle to Portugal available from USD 642*

Promo code

Fly in the next three months: Flights from Seattle to to Portugal

USD

Seattle (SEA)to

Lisbon (LIS)
Oct 09 2026 - Oct 18 2026
From
USD 897
Viewed 16 hrs ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Oct 02 2026 - Oct 11 2026
From
USD 939
Viewed 16 hrs ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Sep 07 2026 - Sep 17 2026
From
USD 965
Viewed 19 hrs ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Oct 08 2026 - Oct 22 2026
From
USD 1,009
Viewed 1 day ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Sep 09 2026 - Sep 30 2026
From
USD 1,226
Viewed 1 day ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Sep 16 2026 - Sep 25 2026
From
USD 1,274
Viewed 1 day ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Oct 02 2026 - Oct 12 2026
From
USD 1,548
Viewed 2 days ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Jul 22 2026 - Jul 28 2026
From
USD 1,928
Viewed 2 days ago
Round trip
Economy
*Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.

Plan ahead for your trip from Seattle to Portugal with Icelandair

USD
Plan ahead for your trip from Seattle to Portugal with Icelandair
From
To
Fare type
Dates
Price
Seattle (SEA)Lisbon (LIS)Round trip
/
Economy		Nov 23 2026 - Nov 29 2026

From

USD 642

Viewed 1 day ago

*Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.