Flights from Seattle to Lisbon available from USD 774*

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From

Departing

Returning

Our best rates from Seattle to Lisbon

From

Dec 2026

USD 1,159*

Fare: Round trip/Economy

Jan 2027

Looks like you're the first to search this route on these dates

Feb 2027

USD 774*

Fare: Round trip/Economy

DEC

Fly in the next 3 months: flights from Seattle to Lisbon (LIS)

Icelandair airfare from Seattle to Lisbon - starting at USD 1,159

From

Budget

USD

Seattle (SEA)to

Lisbon (LIS)

Dec 03 2026 - Dec 09 2026

From

USD 1,159

Viewed 21 hrs ago

Round trip

Economy

*Fares displayed have been collected within the last 72 hours 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.

Flights from Seattle (SEA) to Lisbon (LIS) in the next 365 days

Book ahead and find our best prices in 2026 and beyond

From

Budget

USD

Flights from Seattle (SEA) to Lisbon (LIS) in the next 365 days
From	To	Fare type	Dates	Price
Seattle (SEA)	Lisbon (LIS)	Round trip / Economy	Feb 13 2027 - Feb 21 2027	From USD 774 Viewed 15 hrs ago
Seattle (SEA)	Lisbon (LIS)	Round trip / Economy	Feb 03 2027 - Feb 10 2027	From USD 951 Viewed 20 hrs ago
Seattle (SEA)	Lisbon (LIS)	Round trip / Economy	Apr 02 2027 - Apr 11 2027	From USD 1,117 Viewed 23 hrs 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.