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Cheap flights from Lisbon to Seattle from $432

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Lisbon to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:00 pm - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
35h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:35 pm - 12:50 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
14h 15m1 stop Reykjavik Keflavik Intl
$765Icelandair
Sun, Nov 22 - Sat, Dec 5
Multiple Airlines Logo
7:25 am - 11:49 amLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
36h 24m2 stops Berlin Brandenburg Amsterdam Schiphol
Multiple Airlines Logo
7:15 am - 8:00 amSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
16h 45m1 stop New York John F Kennedy Intl
$831Multiple Airlines
Thu, Jan 14 - Mon, Jan 25
Multiple Airlines Logo
7:00 pm - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
30h 00m3 stops Barcelona-El Prat Berlin Brandenburg Reykjavik Keflavik Intl
Multiple Airlines Logo
2:35 pm - 8:30 amSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
33h 55m3 stops Reykjavik Keflavik Intl Berlin Brandenburg Barcelona-El Prat
$852Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
11:30 am - 1:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
33h 30m3 stops Amsterdam Schiphol London Heathrow Munich Franz Josef Strauss
Multiple Airlines Logo
3:15 pm - 9:20 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
22h 05m2 stops Vancouver Intl London Heathrow
$857Multiple Airlines
Thu, Nov 19 - Fri, Dec 4
Multiple Airlines Logo
8:20 pm - 3:55 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
27h 35m2 stops Milan Malpensa Frankfurt am Main
Multiple Airlines Logo
5:50 pm - 8:30 amSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
30h 40m3 stops Frankfurt am Main Milan Malpensa Barcelona-El Prat
$858Multiple Airlines
Fri, Nov 6 - Mon, Nov 9
Turkish Airlines Logo
4:10 pm - 11:07 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
38h 57m2 stops Istanbul Chicago O'Hare Intl
Turkish Airlines Logo
10:50 am - 11:25 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
28h 35m2 stops Chicago O'Hare Intl Istanbul
$878Turkish Airlines
Sat, Nov 7 - Thu, Nov 26
Multiple Airlines Logo
6:45 pm - 1:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
26h 15m2 stops London Heathrow Munich Franz Josef Strauss
Multiple Airlines Logo
3:15 pm - 10:45 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
23h 30m2 stops Vancouver Intl London Heathrow
$890Multiple Airlines
Thu, Nov 19 - Fri, Dec 4
Multiple Airlines Logo
8:35 am - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
16h 25m1 stop London Heathrow
Multiple Airlines Logo
6:45 pm - 7:20 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
16h 35m1 stop London Heathrow
$892Multiple Airlines
Sun, Nov 22 - Sat, Dec 5
Delta Logo
5:00 am - 11:49 amLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
14h 49m1 stop Amsterdam Schiphol
Delta Logo
3:25 pm - 5:30 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
18h 05m1 stop Paris Charles de Gaulle
$965Delta
Thu, Jan 14 - Mon, Jan 25
Delta Logo
5:00 am - 11:47 amLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
14h 47m1 stop Amsterdam Schiphol
Delta Logo
3:25 pm - 3:10 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
15h 45m1 stop Paris Charles de Gaulle
$966Delta
Wed, Nov 11 - Wed, Nov 18

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Delta flights from Lisbon to Seattle

Our best Delta deals on Lisbon to Seattle flight tickets
Delta
Nov 16
LIS5:00 amLisbon Humberto Delgado
14h 47m
1 stop
SEA11:47 amSeattle/Tacoma Intl
Dec 1
SEA11:30 amSeattle/Tacoma Intl
22h 00m
2 stops
LIS5:30 pmLisbon Humberto Delgado
$966
Delta
Dec 3
LIS5:00 amLisbon Humberto Delgado
14h 50m
1 stop
SEA11:50 amSeattle/Tacoma Intl
Dec 10
SEA11:30 amSeattle/Tacoma Intl
19h 40m
2 stops
LIS3:10 pmLisbon Humberto Delgado
$970
Delta
Nov 5
LIS5:00 amLisbon Humberto Delgado
14h 47m
1 stop
SEA11:47 amSeattle/Tacoma Intl
Nov 18
SEA7:15 amSeattle/Tacoma Intl
20h 05m
2 stops
LIS11:20 amLisbon Humberto Delgado
$971

United Airlines flights from Lisbon to Seattle

Our best United Airlines deals on Lisbon to Seattle flight tickets
United Airlines
Nov 22
LIS5:00 amLisbon Humberto Delgado
15h 00m
1 stop
SEA12:00 pmSeattle/Tacoma Intl
Dec 5
SEA8:09 amSeattle/Tacoma Intl
16h 01m
2 stops
LIS8:10 amLisbon Humberto Delgado
$993
United Airlines
Nov 22
LIS5:00 amLisbon Humberto Delgado
15h 00m
1 stop
SEA12:00 pmSeattle/Tacoma Intl
Dec 5
SEA8:09 amSeattle/Tacoma Intl
18h 11m
1 stop
LIS10:20 amLisbon Humberto Delgado
$994
United Airlines
Nov 22
LIS5:00 amLisbon Humberto Delgado
15h 00m
1 stop
SEA12:00 pmSeattle/Tacoma Intl
Dec 5
SEA8:09 amSeattle/Tacoma Intl
18h 11m
1 stop
LIS10:20 amLisbon Humberto Delgado
$997

momondo Fare Finder

 
Use the filters below to find and compare flights from Lisbon to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sun 11/22

2:00 pm-5:00 pm

1 stop35h 00m

Seattle/Tacoma Intl

Sat 12/5

2:35 pm-12:50 pm

1 stop14h 15m

$765

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Thu 1/14

7:25 am-11:49 am

2 stops36h 24m

Seattle/Tacoma Intl

Mon 1/25

7:15 am-8:00 am

1 stop16h 45m

$831

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Wed 12/2

7:00 pm-5:00 pm

3 stops30h 00m

Seattle/Tacoma Intl

Wed 12/9

2:35 pm-8:30 am

3 stops33h 55m

$852

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Thu 11/19

11:30 am-1:00 pm

3 stops33h 30m

Seattle/Tacoma Intl

Fri 12/4

3:15 pm-9:20 pm

2 stops22h 05m

$857

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Fri 11/6

8:20 pm-3:55 pm

2 stops27h 35m

Seattle/Tacoma Intl

Mon 11/9

5:50 pm-8:30 am

3 stops30h 40m

$858

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sat 11/7

4:10 pm-11:07 pm

2 stops38h 57m

Seattle/Tacoma Intl

Thu 11/26

10:50 am-11:25 pm

2 stops28h 35m

$878

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Thu 11/19

6:45 pm-1:00 pm

2 stops26h 15m

Seattle/Tacoma Intl

Fri 12/4

3:15 pm-10:45 pm

2 stops23h 30m

$890

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sun 11/22

8:35 am-5:00 pm

1 stop16h 25m

Seattle/Tacoma Intl

Sat 12/5

6:45 pm-7:20 pm

1 stop16h 35m

$892

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Thu 1/14

5:00 am-11:49 am

1 stop14h 49m

Seattle/Tacoma Intl

Mon 1/25

3:25 pm-5:30 pm

1 stop18h 05m

$965
Quickest round-trip

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Wed 11/11

5:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Wed 11/18

3:25 pm-3:10 pm

1 stop15h 45m

$966

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

What is the cheapest month to fly to Seattle?

In general, February 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 $897. If you don’t want to visit Seattle in February, then you should wait until December to fly from Lisbon, when ticket prices are also cheap, with an average price of $899.

Can stopping save me money on Lisbon to Seattle flights?

You could potentially save up to 23% on your flight if you consider stops on a Lisbon to Seattle flight.

How have Lisbon to Seattle flight prices changed over time?

As of October 2026, prices for Lisbon to Seattle flights are approximately 14% cheaper 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

Best Price Found

$432

Fastest flight time

27h 35m

Direct flights

None
The best one-way flight to Seattle from Lisbon in the past 72 hours is $432. The best round-trip flight deal from Lisbon to Seattle found on momondo in the last 72 hours is $765.
The fastest flight from Lisbon to Seattle takes 27h 35m
There are no direct flights from Lisbon to Seattle. There are no popular flight routes from Lisbon to Seattle.
Search flight deals

Frequently asked questions about flying from Lisbon to Seattle

  • 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 27h 35m.

  • 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?

  • 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?

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
DeltaPriceFrom $892Free CancellationRating
7.8
8,651 reviews
Search Delta flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Redmond
Olympia
Kent
Federal Way
Lakewood
Lynnwood
Puyallup
Tukwila
Fife
Cle Elum
Marysville
Lacey
Kirkland
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.

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