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Cheap flights from Lisbon to Seattle from $362

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
11:40 am - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
13h 20m1 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
$678Icelandair
Tue, Dec 22 - Sat, Jan 2
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
$683Icelandair
Sun, Jan 10 - Sat, Jan 16
Multiple Airlines Logo
8:15 am - 5:55 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
17h 40m2 stops London Heathrow Reykjavik Keflavik Intl
Multiple Airlines Logo
7:00 pm - 6:05 amSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
27h 05m3 stops Reykjavik Keflavik Intl London Gatwick Porto
$777Multiple Airlines
Fri, Apr 30 - Fri, May 7
Icelandair Logo
11:40 am - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
13h 20m1 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
$807Icelandair
Tue, Dec 22 - Sat, Dec 26
Multiple Airlines Logo
10:55 am - 11:50 amLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
32h 55m2 stops London Luton Amsterdam Schiphol
Multiple Airlines Logo
1:25 pm - 7:10 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
21h 45m2 stops Salt Lake City London Heathrow
$817Multiple Airlines
Thu, Dec 3 - Sat, Dec 12
Multiple Airlines Logo
5:55 am - 1:50 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
39h 55m2 stops Berlin Brandenburg Paris Charles de Gaulle
Multiple Airlines Logo
2:35 pm - 12:50 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
14h 15m1 stop Reykjavik Keflavik Intl
$866Multiple Airlines
Mon, Jan 11 - Wed, Jan 13
Multiple Airlines Logo
5:55 am - 1:50 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
39h 55m2 stops Berlin Brandenburg Paris Charles de Gaulle
Multiple Airlines Logo
2:35 pm - 12:50 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
14h 15m1 stop Reykjavik Keflavik Intl
$880Multiple Airlines
Mon, Jan 11 - Sat, Jan 16
Multiple Airlines Logo
10:00 am - 6:25 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
16h 25m1 stop London Heathrow
Multiple Airlines Logo
8:20 pm - 9:35 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
17h 15m1 stop London Heathrow
$886Multiple Airlines
Fri, Apr 30 - Fri, May 7
Delta Logo
5:00 am - 11:50 amLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
14h 50m1 stop Amsterdam Schiphol
Delta Logo
6:00 am - 11:25 amSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
21h 25m2 stops Minneapolis St Paul Paris Charles de Gaulle
$990Delta
Wed, Dec 2 - Fri, Dec 11
Delta Logo
5:00 am - 11:50 amLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
14h 50m1 stop Amsterdam Schiphol
Delta Logo
11:30 am - 5:30 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
22h 00m2 stops Salt Lake City Paris Charles de Gaulle
$990Delta
Fri, Dec 4 - Sun, Dec 13

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Turkish Airlines flights from Lisbon to Seattle

Our best Turkish Airlines deals on Lisbon to Seattle flight tickets
Turkish Airlines
Dec 23
LIS5:55 amLisbon Humberto Delgado
19h 15m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Jan 27
SEA10:52 amSeattle/Tacoma Intl
44h 18m
2 stops
LIS3:10 pmLisbon Humberto Delgado
$934
Turkish Airlines
Dec 23
LIS5:55 amLisbon Humberto Delgado
19h 15m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Jan 27
SEA10:52 amSeattle/Tacoma Intl
28h 33m
2 stops
LIS11:25 pmLisbon Humberto Delgado
$937
Turkish Airlines
Dec 3
LIS4:10 pmLisbon Humberto Delgado
33h 00m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Dec 12
SEA10:48 amSeattle/Tacoma Intl
44h 22m
2 stops
LIS3:10 pmLisbon Humberto Delgado
$938

Icelandair flights from Lisbon to Seattle

Our best Icelandair deals on Lisbon to Seattle flight tickets
Icelandair
Dec 22
LIS11:40 amLisbon Humberto Delgado
13h 20m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 2
SEA2:35 pmSeattle/Tacoma Intl
14h 15m
1 stop
LIS12:50 pmLisbon Humberto Delgado
$678
Icelandair
Jan 10
LIS2:00 pmLisbon Humberto Delgado
35h 00m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 16
SEA2:35 pmSeattle/Tacoma Intl
14h 15m
1 stop
LIS12:50 pmLisbon Humberto Delgado
$683
Icelandair
Dec 22
LIS11:40 amLisbon Humberto Delgado
13h 20m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Dec 26
SEA2:35 pmSeattle/Tacoma Intl
14h 15m
1 stop
LIS12:50 pmLisbon Humberto Delgado
$807

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
Quickest round-trip

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Tue 12/22

11:40 am-5:00 pm

1 stop13h 20m

Seattle/Tacoma Intl

Sat 1/2

2:35 pm-12:50 pm

1 stop14h 15m

$678

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sun 1/10

2:00 pm-5:00 pm

1 stop35h 00m

Seattle/Tacoma Intl

Sat 1/16

2:35 pm-12:50 pm

1 stop14h 15m

$683

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Fri 4/30

8:15 am-5:55 pm

2 stops17h 40m

Seattle/Tacoma Intl

Fri 5/7

7:00 pm-6:05 am

3 stops27h 05m

$777

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Tue 12/22

11:40 am-5:00 pm

1 stop13h 20m

Seattle/Tacoma Intl

Sat 12/26

2:35 pm-12:50 pm

1 stop14h 15m

$807

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Thu 12/3

10:55 am-11:50 am

2 stops32h 55m

Seattle/Tacoma Intl

Sat 12/12

1:25 pm-7:10 pm

2 stops21h 45m

$817

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Mon 1/11

5:55 am-1:50 pm

2 stops39h 55m

Seattle/Tacoma Intl

Wed 1/13

2:35 pm-12:50 pm

1 stop14h 15m

$866

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Mon 1/11

5:55 am-1:50 pm

2 stops39h 55m

Seattle/Tacoma Intl

Sat 1/16

2:35 pm-12:50 pm

1 stop14h 15m

$880

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Fri 4/30

10:00 am-6:25 pm

1 stop16h 25m

Seattle/Tacoma Intl

Fri 5/7

8:20 pm-9:35 pm

1 stop17h 15m

$886

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Wed 12/2

5:00 am-11:50 am

1 stop14h 50m

Seattle/Tacoma Intl

Fri 12/11

6:00 am-11:25 am

2 stops21h 25m

$990

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Fri 12/4

5:00 am-11:50 am

1 stop14h 50m

Seattle/Tacoma Intl

Sun 12/13

11:30 am-5:30 pm

2 stops22h 00m

$990

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

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 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 $958 to $1,141.
The lowest price recently found on this route was $678.

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 14% 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 November 2026, prices for Lisbon to Seattle flights are approximately 6% 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

Best Price Found

$362

Fastest flight time

13h 20m

Direct flights

None
The best one-way flight to Seattle from Lisbon in the past 72 hours is $362. The best round-trip flight deal from Lisbon to Seattle found on momondo in the last 72 hours is $678.
The fastest flight from Lisbon to Seattle takes 13h 20m
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 13h 20m.

  • 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 $973Free CancellationRating
7.8
8,698 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
Kent
Olympia
Federal Way
Redmond
Lakewood
Lynnwood
Fife
Puyallup
Tukwila
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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