Flights from Seattle to Portugal available from USD 618*

Promo code

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

USD

Seattle (SEA)to

Lisbon (LIS)
Sep 03 2025 - Sep 24 2025
From
USD 1,185
Viewed 12 hrs ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Aug 28 2025 - Sep 18 2025
From
USD 1,288
Viewed 25 minutes ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Sep 14 2025 - Oct 01 2025
From
USD 1,309
Viewed 2 days ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Aug 31 2025 - Oct 18 2025
From
USD 1,378
Viewed 2 days ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Sep 17 2025 - Oct 01 2025
From
USD 1,594
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		Mar 13 2026 - Mar 22 2026

From

USD 618

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.