Which layover airport offers the lowest fares from Lisbon to Seattle?

Flights via Paris (CDG) offer the lowest average round-trip price of $1,564.

Which layover airport has the shortest travel time from Lisbon to Seattle?

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 15h 50m.

What is the cheapest airline that flies from Lisbon Humberto Delgado to Seattle/Tacoma Intl?

WestJet is the most popular carrier operating from Lisbon Humberto Delgado to Seattle/Tacoma Intl

Which airport is the most popular layover for flights between Lisbon and Seattle?

Frankfurt am Main (FRA) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Seattle?

British Airways, Delta and Air France are the top three most popular airlines that fly to Seattle from Lisbon according to our data. British Airways is the first choice among our users, with 27% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 4 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

What is the most punctual flight time for Lisbon to Seattle flights?

Generally, flights departing at night tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Which layover airport has the shortest connection time from Lisbon to Seattle?

Paris (CDG) has the shortest average layover time for this route: 3h 15m.

How often are flights from Lisbon to Seattle delayed?

Historically, on average around 50% of flights between Lisbon and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport refresh daily.

How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport?

There are 4 operators available for flights from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport as of January 2026.

How old do you have to be to fly from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$340 Cheap Flights from Lisbon to Seattle in 2026

Q: What is the typical price of a round-trip flight between Lisbon and Seattle?

Prices are currently low for flights on this route. Typical prices usually range from $973 to $1,236. The lowest price recently found on this route was $692.

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6:55 am - 7:52 pm

LIS

SEA

20h 57m

2 stops

2:35 pm - 8:20 pm

SEA

LIS

21h 45m

1 stop

$692Multiple Airlines

Tue, Feb 3 - Wed, Feb 18

6:40 am - 10:33 am

LIS

SEA

35h 53m

2 stops

2:35 pm - 8:20 pm

SEA

LIS

21h 45m

1 stop

$697Multiple Airlines

Sat, Feb 28 - Sat, Mar 7

6:10 am - 10:57 pm

LIS

SEA

24h 47m

3 stops

8:10 am - 1:20 pm

SEA

LIS

21h 10m

2 stops

$714Multiple Airlines

Tue, Feb 10 - Tue, Feb 17

6:30 am - 12:55 am

LIS

SEA

25h 25m

2 stops

1:29 pm - 11:10 pm

SEA

LIS

25h 41m

2 stops

$748American Airlines

Wed, Mar 25 - Sat, Apr 11

11:05 am - 9:57 pm

LIS

SEA

17h 52m

1 stop

8:20 pm - 5:55 pm

SEA

LIS

13h 35m

1 stop

$749American Airlines

Wed, Mar 25 - Tue, Apr 14

6:30 am - 9:17 pm

LIS

SEA

22h 47m

2 stops

6:50 pm - 6:00 pm

SEA

LIS

15h 10m

1 stop

$752Multiple Airlines

Thu, Feb 12 - Thu, Feb 19

8:20 am - 10:20 pm

LIS

SEA

22h 00m

2 stops

1:35 pm - 5:55 pm

SEA

LIS

20h 20m

1 stop

$753Multiple Airlines

Thu, Feb 5 - Fri, Feb 20

10:55 am - 9:57 pm

LIS

SEA

19h 02m

1 stop

6:50 pm - 6:00 pm

SEA

LIS

15h 10m

1 stop

$754British Airways

Thu, Feb 12 - Thu, Feb 19

11:05 am - 9:23 pm

LIS

SEA

18h 18m

1 stop

1:35 pm - 3:40 pm

SEA

LIS

18h 05m

1 stop

$755British Airways

Wed, Apr 8 - Wed, Apr 22

10:40 am - 10:07 pm

LIS

SEA

19h 27m

1 stop

12:51 pm - 6:55 pm

SEA

LIS

22h 04m

2 stops

$756British Airways

Sat, Jan 24 - Mon, Feb 9

American Airlines flights from Lisbon to Seattle

Our best American Airlines deals on Lisbon to Seattle flight tickets

American Airlines

Mar 25

LIS6:30 amLisbon Humberto Delgado

23h 34m

2 stops

SEA11:04 pmSeattle/Tacoma Intl

Apr 15

SEA8:20 pmSeattle/Tacoma Intl

18h 55m

1 stop

LIS11:15 pmLisbon Humberto Delgado

$748

American Airlines

Mar 25

LIS11:05 amLisbon Humberto Delgado

17h 52m

1 stop

SEA9:57 pmSeattle/Tacoma Intl

Apr 12

SEA8:20 pmSeattle/Tacoma Intl

18h 45m

1 stop

LIS11:05 pmLisbon Humberto Delgado

$749

American Airlines

Jan 21

LIS11:05 amLisbon Humberto Delgado

39h 59m

2 stops

SEA7:04 pmSeattle/Tacoma Intl

Jan 25

SEA7:35 amSeattle/Tacoma Intl

20h 30m

2 stops

LIS12:05 pmLisbon Humberto Delgado

$760

British Airways flights from Lisbon to Seattle

Our best British Airways deals on Lisbon to Seattle flight tickets

British Airways

Jan 23

LIS11:05 amLisbon Humberto Delgado

19h 02m

1 stop

SEA10:07 pmSeattle/Tacoma Intl

Feb 8

SEA6:50 pmSeattle/Tacoma Intl

36h 05m

1 stop

LIS2:55 pmLisbon Humberto Delgado

$753

British Airways

Feb 12

LIS10:55 amLisbon Humberto Delgado

19h 02m

1 stop

SEA9:57 pmSeattle/Tacoma Intl

Feb 19

SEA6:50 pmSeattle/Tacoma Intl

15h 10m

1 stop

LIS6:00 pmLisbon Humberto Delgado

$754

British Airways

Apr 8

LIS11:05 amLisbon Humberto Delgado

18h 18m

1 stop

SEA9:23 pmSeattle/Tacoma Intl

Apr 22

SEA1:35 pmSeattle/Tacoma Intl

18h 05m

1 stop

LIS3:40 pmLisbon Humberto Delgado

$755

Fly from

Fly to

Route

Depart

Return

Price

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Tue 2/3

6:55 am-7:52 pm

2 stops20h 57m

Seattle/Tacoma Intl

Wed 2/18

2:35 pm-8:20 pm

1 stop21h 45m

$692

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sat 2/28

6:40 am-10:33 am

2 stops35h 53m

Seattle/Tacoma Intl

Sat 3/7

2:35 pm-8:20 pm

1 stop21h 45m

$697

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Tue 2/10

6:10 am-10:57 pm

3 stops24h 47m

Seattle/Tacoma Intl

Tue 2/17

8:10 am-1:20 pm

2 stops21h 10m

$714

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 3/25

6:30 am-12:55 am

2 stops25h 25m

Seattle/Tacoma Intl

Sat 4/11

1:29 pm-11:10 pm

2 stops25h 41m

$748

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 3/25

11:05 am-9:57 pm

1 stop17h 52m

Seattle/Tacoma Intl

Tue 4/14

8:20 pm-5:55 pm

1 stop13h 35m

$749

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 2/12

6:30 am-9:17 pm

2 stops22h 47m

Seattle/Tacoma Intl

Thu 2/19

6:50 pm-6:00 pm

1 stop15h 10m

$752

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 2/5

8:20 am-10:20 pm

2 stops22h 00m

Seattle/Tacoma Intl

Fri 2/20

1:35 pm-5:55 pm

1 stop20h 20m

$753

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 2/12

10:55 am-9:57 pm

1 stop19h 02m

Seattle/Tacoma Intl

Thu 2/19

6:50 pm-6:00 pm

1 stop15h 10m

$754

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 4/8

11:05 am-9:23 pm

1 stop18h 18m

Seattle/Tacoma Intl

Wed 4/22

1:35 pm-3:40 pm

1 stop18h 05m

$755

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sat 1/24

10:40 am-10:07 pm

1 stop19h 27m

Seattle/Tacoma Intl

Mon 2/9

12:51 pm-6:55 pm

2 stops22h 04m

$756

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Lisbon to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Layovers

What is the typical price of a round-trip flight between Lisbon and Seattle?

What is the cheapest month to fly to Seattle?

In general, May is the cheapest month to fly from Lisbon to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $804. If you don’t want to visit Seattle in May, then you should wait until April to fly from Lisbon, when ticket prices are also cheap, with an average price of $807.

How have Lisbon to Seattle flight prices changed over time?

As of January 2026, prices for Lisbon to Seattle flights are approximately 42% more expensive when compared to flights at the same time last year.

When to book flights from Lisbon to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Lisbon to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Lisbon to Seattle (LIS to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lisbon to Seattle

Fastest flight time	18h 18m
Direct flights	None

The fastest flight from Lisbon to Seattle takes 18h 18m

There are no direct flights from Lisbon to Seattle. There are no popular flight routes from Lisbon to Seattle.

Search flight deals

How far is Lisbon Humberto Delgado to Seattle/Tacoma Intl by plane?
A flight from Lisbon Humberto Delgado to Seattle/Tacoma Intl will travel around 5195.1 mi. In terms of flight time, this usually takes a little over 18h 18m.
When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport?
There are 4 operators available for flights from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport as of January 2026.
How old do you have to be to fly from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Lisbon to Seattle?
momondo data reveals that the most frequently booked airline on the route from Lisbon to Seattle is British Airways, representing 27% of all bookings. The subsequent popular airlines are Delta at 27%, Air France at 25%, and United Airlines at 20%.

Best airlines flying from Lisbon to Seattle

Compare and see reviews for airlines that fly from Lisbon to Seattle with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $720	Free Cancellation	Rating 6.7 7,672 reviews	Search British Airways flights
United Airlines	PriceFrom $738	Free Cancellation	Rating 7.4 9,157 reviews	Search United Airlines flights
Air France	PriceFrom $762	Free Cancellation	Rating 7.4 1,522 reviews	Search Air France flights
Delta	PriceFrom $775	Free Cancellation	Rating 7.9 8,042 reviews	Search Delta flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Cle Elum

Lakewood

Federal Way

Fife

Kirkland

Westport

Centralia

Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Lisbon to Seattle?

Finding the right flight to Seattle from Lisbon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Lisbon to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Lisbon with this policy.

How can momondo help me find flights from Lisbon to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Lisbon to Seattle.

I’m not ready to book a flight from Lisbon to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Lisbon and alert you when they change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Lisbon to Seattle from $340

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Seattle departing on 6/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Lisbon to Seattle

Our best American Airlines deals on Lisbon to Seattle flight tickets

British Airways flights from Lisbon to Seattle

Our best British Airways deals on Lisbon to Seattle flight tickets

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See travel insights to Seattle from

How to get the cheapest flight ticket from Lisbon to Seattle

What is the typical price of a round-trip flight between Lisbon and Seattle?

What is the cheapest month to fly to Seattle?

How have Lisbon to Seattle flight prices changed over time?

As of January 2026, prices for Lisbon to Seattle flights are approximately 42% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Lisbon Humberto Delgado to Seattle/Tacoma Intl?

WestJet is the most popular carrier operating from Lisbon Humberto Delgado to Seattle/Tacoma Intl

What airlines fly to Seattle?

How often are flights from Lisbon to Seattle delayed?

Historically, on average around 50% of flights between Lisbon and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

What is the most punctual flight time for Lisbon to Seattle flights?

Generally, flights departing at night tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

Which airport is the most popular layover for flights between Lisbon and Seattle?

Frankfurt am Main (FRA) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Lisbon to Seattle?

Flights via Paris (CDG) offer the lowest average round-trip price of $1,564.

Which layover airport has the shortest travel time from Lisbon to Seattle?

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 15h 50m.

Which layover airport has the shortest connection time from Lisbon to Seattle?

Paris (CDG) has the shortest average layover time for this route: 3h 15m.

When to book flights from Lisbon to Seattle

Cheap Lisbon to Seattle (LIS to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lisbon to Seattle

Fastest flight time

Direct flights

How far is Lisbon Humberto Delgado to Seattle/Tacoma Intl by plane?

When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport?

How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from Lisbon Humberto Delgado Airport to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular airline from Lisbon to Seattle?

Best airlines flying from Lisbon to Seattle

Compare and see reviews for airlines that fly from Lisbon to Seattle with momondo

Traveling to a place near Seattle?

Why use momondo?

Why should I use momondo to find a flight deal from Lisbon to Seattle?

Can I find flights from Lisbon to Seattle with flexible booking policies on momondo?

How can momondo help me find flights from Lisbon to Seattle?

I’m not ready to book a flight from Lisbon to Seattle right now. Can momondo alert me if prices change?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington