Flights from Seattle to Portugal available from USD 421*

Promo code

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

USD

Seattle (SEA)to

Lisbon (LIS)
Jan 22 2026 - Jan 29 2026
From
USD 802
Viewed 1 day ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Dec 12 2025 - Jan 09 2026
From
USD 1,070
Viewed 1 day ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Dec 15 2025 - Dec 23 2025
From
USD 1,350
Viewed 2 days ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Dec 26 2025 - Jan 05 2026
From
USD 2,686
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.

Blue image with a map of Iceland and text that reads: Include a little more of Iceland in your journey. Add a Stopover

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		Feb 14 2026 - Feb 22 2026

From

USD 421

Viewed 2 days 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.