S$811 Cheap Flights from Lisbon to Seattle

View S$811 flight on Wed, 10 Sep, 2025Opens 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$811 for one-way flights and S$1,169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 10 Sep - Wed, 17 Sep
LIS
Lisbon
SEA
Seattle
S$1,169 Return, found 1 hour ago
S$1,169
Return
found 1 hour ago
Select Delta flight, departing Wed, 10 Sep from Lisbon to Seattle, returning Wed, 17 Sep, priced at S$1,169 found 1 hour ago
Delta
Wed, 10 Sep - Wed, 17 Sep
LIS
Lisbon
SEA
Seattle
S$1,177 Return, found 1 hour ago
S$1,177
Return
found 1 hour ago
Select Delta flight, departing Wed, 10 Sep from Lisbon to Seattle, returning Wed, 17 Sep, priced at S$1,177 found 1 hour ago
Delta
Wed, 10 Sep - Wed, 17 Sep
LIS
Lisbon
SEA
Seattle
S$1,198 Return, found 1 hour ago
S$1,198
Return
found 1 hour ago
Select Delta flight, departing Wed, 10 Sep from Lisbon to Seattle, returning Wed, 17 Sep, priced at S$1,198 found 1 hour ago
Delta
Wed, 10 Sep - Wed, 17 Sep
LIS
Lisbon
SEA
Seattle
S$1,205 Return, found 1 hour ago
S$1,205
Return
found 1 hour ago
Select Delta flight, departing Wed, 10 Sep from Lisbon to Seattle, returning Wed, 17 Sep, priced at S$1,205 found 1 hour ago
KLM
Wed, 10 Sep - Wed, 17 Sep
LIS
Lisbon
SEA
Seattle
S$1,212 Return, found 1 hour ago
S$1,212
Return
found 1 hour ago
Select KLM flight, departing Wed, 10 Sep from Lisbon to Seattle, returning Wed, 17 Sep, priced at S$1,212 found 1 hour ago
Virgin Atlantic
Wed, 10 Sep - Wed, 17 Sep
LIS
Lisbon
SEA
Seattle
S$1,234 Return, found 1 hour ago
S$1,234
Return
found 1 hour ago
Select Virgin Atlantic flight, departing Wed, 10 Sep from Lisbon to Seattle, returning Wed, 17 Sep, priced at S$1,234 found 1 hour ago
KLM
Wed, 10 Sep - Wed, 17 Sep
LIS
Lisbon
SEA
Seattle
S$1,241 Return, found 1 hour ago
S$1,241
Return
found 1 hour ago
Select KLM flight, departing Wed, 10 Sep from Lisbon to Seattle, returning Wed, 17 Sep, priced at S$1,241 found 1 hour ago
KLM
Wed, 10 Sep - Wed, 17 Sep
LIS
Lisbon
SEA
Seattle
S$1,248 Return, found 1 hour ago
S$1,248
Return
found 1 hour ago
Select KLM flight, departing Wed, 10 Sep from Lisbon to Seattle, returning Wed, 17 Sep, priced at S$1,248 found 1 hour ago
Air Canada
Wed, 10 Sep - Wed, 17 Sep
LIS
Lisbon
SEA
Seattle
S$1,278 Return, found 1 hour ago
S$1,278
Return
found 1 hour ago
Select Air Canada flight, departing Wed, 10 Sep from Lisbon to Seattle, returning Wed, 17 Sep, priced at S$1,278 found 1 hour ago
Lufthansa
Wed, 10 Sep - Wed, 17 Sep
LIS
Lisbon
SEA
Seattle
S$1,298 Return, found 1 hour ago
S$1,298
Return
found 1 hour ago
Select Lufthansa flight, departing Wed, 10 Sep from Lisbon to Seattle, returning Wed, 17 Sep, priced at S$1,298 found 1 hour ago

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

May is typically the cheapest month to fly

From S$852 - S$1,439 per traveller.

Graph displaying average flight prices per month

Lisbon to Seattle route information
Origin airport
Humberto Delgado
Destination airport
Seattle - Tacoma Intl.
Return price
S$1,168
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$1,169. 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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