S$731 Cheap Flights from Lisbon to Seattle

View S$731 flight on Sun, 11 Jan, 2026Opens in a new window

Popular airlines from Humberto Delgado Airport (LIS) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Lisbon to Seattle (LIS-SEA)

Prices were available within the past 7 days and start at S$731 for one-way flights and S$1,431 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 11 Aug - Wed, 27 Aug
LIS
Lisbon
SEA
Seattle
S$1,431 Return, found 1 day ago
S$1,431
Return
found 1 day ago
Select United flight, departing Mon, 11 Aug from Lisbon to Seattle, returning Wed, 27 Aug, priced at S$1,431 found 1 day ago
Delta
Mon, 11 Aug - Wed, 27 Aug
LIS
Lisbon
SEA
Seattle
S$1,433 Return, found 1 day ago
S$1,433
Return
found 1 day ago
Select Delta flight, departing Mon, 11 Aug from Lisbon to Seattle, returning Wed, 27 Aug, priced at S$1,433 found 1 day ago
Air Canada
Mon, 11 Aug - Wed, 27 Aug
LIS
Lisbon
SEA
Seattle
S$1,446 Return, found 1 day ago
S$1,446
Return
found 1 day ago
Select Air Canada flight, departing Mon, 11 Aug from Lisbon to Seattle, returning Wed, 27 Aug, priced at S$1,446 found 1 day ago
Lufthansa
Mon, 11 Aug - Wed, 27 Aug
LIS
Lisbon
SEA
Seattle
S$1,465 Return, found 1 day ago
S$1,465
Return
found 1 day ago
Select Lufthansa flight, departing Mon, 11 Aug from Lisbon to Seattle, returning Wed, 27 Aug, priced at S$1,465 found 1 day ago
Delta
Mon, 11 Aug - Wed, 27 Aug
LIS
Lisbon
SEA
Seattle
S$1,469 Return, found 1 day ago
S$1,469
Return
found 1 day ago
Select Delta flight, departing Mon, 11 Aug from Lisbon to Seattle, returning Wed, 27 Aug, priced at S$1,469 found 1 day ago
Delta
Mon, 11 Aug - Wed, 27 Aug
LIS
Lisbon
SEA
Seattle
S$1,484 Return, found 1 day ago
S$1,484
Return
found 1 day ago
Select Delta flight, departing Mon, 11 Aug from Lisbon to Seattle, returning Wed, 27 Aug, priced at S$1,484 found 1 day ago
Delta
Mon, 11 Aug - Wed, 27 Aug
LIS
Lisbon
SEA
Seattle
S$1,504 Return, found 1 day ago
S$1,504
Return
found 1 day ago
Select Delta flight, departing Mon, 11 Aug from Lisbon to Seattle, returning Wed, 27 Aug, priced at S$1,504 found 1 day ago
Delta
Mon, 11 Aug - Wed, 27 Aug
LIS
Lisbon
SEA
Seattle
S$1,510 Return, found 1 day ago
S$1,510
Return
found 1 day ago
Select Delta flight, departing Mon, 11 Aug from Lisbon to Seattle, returning Wed, 27 Aug, priced at S$1,510 found 1 day ago
United
Mon, 11 Aug - Wed, 27 Aug
LIS
Lisbon
SEA
Seattle
S$1,515 Return, found 1 day ago
S$1,515
Return
found 1 day ago
Select United flight, departing Mon, 11 Aug from Lisbon to Seattle, returning Wed, 27 Aug, priced at S$1,515 found 1 day ago
Virgin Atlantic
Mon, 11 Aug - Wed, 27 Aug
LIS
Lisbon
SEA
Seattle
S$1,546 Return, found 1 day ago
S$1,546
Return
found 1 day ago
Select Virgin Atlantic flight, departing Mon, 11 Aug from Lisbon to Seattle, returning Wed, 27 Aug, priced at S$1,546 found 1 day ago

Find the cheapest month to fly from Lisbon (LIS) to Seattle (SEA)

May is typically the cheapest month to fly

From S$844 - S$1,432 per traveller.

Graph displaying average flight prices per month

Lisbon to Seattle route information
Origin airport
Humberto Delgado
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Emirates, Finnair, Iberia, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic
Return price
S$1,430
Distance
8323 km

Flights from Lisbon District to Seattle

There are several airlines that operate frequent flights from Lisbon (LIS) to Seattle (SEA) including

The earliest flight leaves Portela Airport at 05:00 and arrives at Seattle Tacoma Intl. Airport at 10:57. The last flight of the day departs Lisbon at 12:50 and arrives at Seattle at 22:51.

The flight distance from Lisbon to Seattle is about 9561 km, the shortest flight is 13 hours 49 minutes with United Airlines."

Expedia lets you search across the largest number of airlines and Seattle flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Lisbon District Seattle flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Lisbon District to Seattle trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Lisbon District to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Lisbon/Portela Airport to Seattle - Tacoma Intl. Airport (SEA)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey from Lisbon Airport to SEA was S$1,431. Fares this good don't last forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LIS to Sea-Tac Airport?
This can vary from airline to airline, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where there are simple instructions on how to cancel your flight online.
How do I find cheap flights from LIS to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Lisbon Airport to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Lisbon/Portela Airport to SEA?
The distance is around 8,400 kilometres, so pack your carry-on luggage with all the items you need to make your journey comfortable. Wondering what to take on board your Lisbon District to SeaTac flight? Earplugs, a sleep mask and a neck pillow are a few essentials.
Which airlines fly direct from LIS to Sea-Tac Airport?
Flying directly between Lisbon Airport and Seattle - Tacoma Intl. Airport (SEA) isn't possible at the moment. However, you'll still be able to book a flight to SeaTac with at least one stop.
Are LIS to SEA flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally score a bargain, with some of the cheapest fares from Lisbon/Portela Airport to Sea-Tac Airport surfacing a few weeks before the departure date. If you'd rather book ahead, Expedia compares and updates the best flight deals continuously --- as early as 12 months in advance in some cases. It does depend on the carrier though, as not every airline releases prices that far in advance.

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