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Cheap flights from Lisbon to Seattle from $458

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
$647Icelandair
Tue, Dec 22 - Sat, Jan 2
Multiple Airlines Logo
6:10 am - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
18h 50m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
2:35 pm - 3:05 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
16h 30m2 stops Reykjavik Keflavik Intl Dublin
$739Multiple Airlines
Sat, Nov 21 - Sat, Nov 28
Multiple Airlines Logo
6:10 am - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
18h 50m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
2:35 pm - 3:05 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
16h 30m2 stops Reykjavik Keflavik Intl Dublin
$763Multiple Airlines
Sat, Nov 21 - Sat, Nov 28
Multiple Airlines Logo
8:35 am - 4:50 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
16h 15m1 stop London Heathrow
Multiple Airlines Logo
6:40 pm - 9:20 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
18h 40m1 stop London Heathrow
$821Multiple Airlines
Sun, Feb 7 - Sun, Feb 21
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 - 9:20 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
18h 35m1 stop London Heathrow
$832Multiple Airlines
Fri, Nov 6 - Mon, Nov 9
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 - 9:20 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
18h 35m1 stop London Heathrow
$852Multiple Airlines
Sat, Nov 7 - Tue, Nov 10
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
$857Multiple Airlines
Sat, Nov 21 - Sat, Nov 28
Multiple Airlines Logo
2:40 pm - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
34h 20m2 stops London Heathrow Reykjavik Keflavik Intl
Multiple Airlines Logo
2:35 pm - 10:45 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
24h 10m2 stops Reykjavik Keflavik Intl London Heathrow
$863Multiple Airlines
Thu, Nov 5 - Wed, Nov 18
Delta Logo
5:00 am - 11:47 amLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
14h 47m1 stop Amsterdam Schiphol
Delta Logo
10:39 am - 3:10 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
20h 31m2 stops Chicago O'Hare Intl Paris Charles de Gaulle
$979Delta
Thu, Nov 26 - Wed, Dec 9
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 - 5:30 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
18h 05m1 stop Paris Charles de Gaulle
$979Delta
Thu, Nov 26 - Wed, Dec 9

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Turkish Airlines flights from Lisbon to Seattle

Our best Turkish Airlines deals on Lisbon to Seattle flight tickets
Turkish Airlines
Nov 19
LIS6:00 amLisbon Humberto Delgado
25h 07m
2 stops
SEA11:07 pmSeattle/Tacoma Intl
Dec 3
SEA10:48 amSeattle/Tacoma Intl
39h 47m
2 stops
LIS10:35 amLisbon Humberto Delgado
$891
Turkish Airlines
Nov 8
LIS4:10 pmLisbon Humberto Delgado
38h 57m
2 stops
SEA11:07 pmSeattle/Tacoma Intl
Nov 23
SEA10:50 amSeattle/Tacoma Intl
44h 20m
2 stops
LIS3:10 pmLisbon Humberto Delgado
$895
Turkish Airlines
Nov 8
LIS4:10 pmLisbon Humberto Delgado
38h 57m
2 stops
SEA11:07 pmSeattle/Tacoma Intl
Nov 23
SEA10:50 amSeattle/Tacoma Intl
44h 20m
2 stops
LIS3:10 pmLisbon Humberto Delgado
$897

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
$647
Icelandair
Jan 12
LIS11:35 amLisbon Humberto Delgado
13h 25m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Feb 3
SEA2:35 pmSeattle/Tacoma Intl
14h 15m
1 stop
LIS12:50 pmLisbon Humberto Delgado
$659
Icelandair
Jan 12
LIS11:35 amLisbon Humberto Delgado
13h 25m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 30
SEA2:35 pmSeattle/Tacoma Intl
14h 15m
1 stop
LIS12:50 pmLisbon Humberto Delgado
$679

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

$647

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sat 11/21

6:10 am-5:00 pm

2 stops18h 50m

Seattle/Tacoma Intl

Sat 11/28

2:35 pm-3:05 pm

2 stops16h 30m

$739

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sat 11/21

6:10 am-5:00 pm

2 stops18h 50m

Seattle/Tacoma Intl

Sat 11/28

2:35 pm-3:05 pm

2 stops16h 30m

$763

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sun 2/7

8:35 am-4:50 pm

1 stop16h 15m

Seattle/Tacoma Intl

Sun 2/21

6:40 pm-9:20 pm

1 stop18h 40m

$821

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Fri 11/6

8:35 am-5:00 pm

1 stop16h 25m

Seattle/Tacoma Intl

Mon 11/9

6:45 pm-9:20 pm

1 stop18h 35m

$832

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sat 11/7

8:35 am-5:00 pm

1 stop16h 25m

Seattle/Tacoma Intl

Tue 11/10

6:45 pm-9:20 pm

1 stop18h 35m

$852

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sat 11/21

8:35 am-5:00 pm

1 stop16h 25m

Seattle/Tacoma Intl

Sat 11/28

6:45 pm-7:20 pm

1 stop16h 35m

$857

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Thu 11/5

2:40 pm-5:00 pm

2 stops34h 20m

Seattle/Tacoma Intl

Wed 11/18

2:35 pm-10:45 pm

2 stops24h 10m

$863

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Thu 11/26

5:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Wed 12/9

10:39 am-3:10 pm

2 stops20h 31m

$979

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Thu 11/26

5:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Wed 12/9

3:25 pm-5:30 pm

1 stop18h 05m

$979

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 $647.

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 19% 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

$458

Fastest flight time

19h 10m

Direct flights

None
The best one-way flight to Seattle from Lisbon in the past 72 hours is $458. The best round-trip flight deal from Lisbon to Seattle found on momondo in the last 72 hours is $647.
The fastest flight from Lisbon to Seattle takes 19h 10m
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 19h 10m.

  • 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
8,681 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
Olympia
Redmond
Kent
Federal Way
Lakewood
Fife
Lynnwood
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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