Flights from Seattle to Portugal available from USD 783*

Promo code

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

USD

Seattle (SEA)to

Lisbon (LIS)
Jan 11 2026 - Jan 22 2026
From
USD 783
Viewed 1 day ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Jan 12 2026 - Jan 22 2026
From
USD 863
Viewed 1 day ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Dec 31 2025 - Jan 08 2026
From
USD 1,026
Viewed 1 hour ago
Round trip
Economy

Seattle (SEA)to

Lisbon (LIS)
Jan 11 2026 - Jan 23 2026
From
USD 1,129
Viewed 1 day 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		Sep 08 2026 - Sep 24 2026

From

USD 1,022

Viewed 16 minutes ago

Seattle (SEA)Faro (FAO)Round trip
/
Economy		Apr 27 2026 - May 11 2026

From

USD 1,142

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.