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Cheap flights from Lisbon to Seattle from $428

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
11:35 am - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
13h 25m1 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
$652Icelandair
Tue, Jan 26 - Wed, Feb 3
Multiple Airlines Logo
9:50 am - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
39h 10m2 stops London Heathrow Reykjavik Keflavik Intl
Multiple Airlines Logo
2:35 pm - 4:30 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
17h 55m2 stops Reykjavik Keflavik Intl London Heathrow
$661Multiple Airlines
Thu, Jan 14 - Mon, Jan 25
Multiple Airlines Logo
6:20 am - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
18h 40m1 stop London Gatwick
Multiple Airlines Logo
6:45 pm - 11:00 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
20h 15m1 stop London Heathrow
$709Multiple Airlines
Mon, Nov 9 - Sun, Nov 22
Multiple Airlines Logo
8:50 pm - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
28h 10m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
2:35 pm - 9:35 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
23h 00m2 stops Reykjavik Keflavik Intl Dublin
$726Multiple Airlines
Fri, Nov 20 - Sun, Nov 29
Multiple Airlines Logo
8:35 am - 4:40 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
16h 05m1 stop London Heathrow
Multiple Airlines Logo
6:50 pm - 9:20 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
18h 30m1 stop London Heathrow
$763Multiple Airlines
Thu, Jan 14 - Mon, Jan 25
Multiple Airlines Logo
5:55 am - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
19h 05m1 stop London Stansted
Multiple Airlines Logo
6:45 pm - 10:40 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
19h 55m1 stop London Heathrow
$765Multiple Airlines
Mon, Nov 2 - Sun, Nov 15
Multiple Airlines Logo
5:55 am - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
19h 05m1 stop London Stansted
Multiple Airlines Logo
6:45 pm - 8:35 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
17h 50m1 stop London Heathrow
$768Multiple Airlines
Mon, Nov 2 - Sun, Nov 15
Multiple Airlines Logo
5:55 am - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
19h 05m1 stop London Stansted
Multiple Airlines Logo
6:45 pm - 8:35 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
17h 50m1 stop London Heathrow
$771Multiple Airlines
Mon, Nov 2 - Sun, Nov 15
Delta Logo
5:00 am - 11:52 amLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
14h 52m1 stop Amsterdam Schiphol
Delta Logo
9:42 am - 2:55 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
21h 13m2 stops Salt Lake City Paris Charles de Gaulle
$905Delta
Wed, Oct 14 - Mon, Oct 19
Delta Logo
5:00 am - 4:35 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
19h 35m1 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
$905Delta
Wed, Oct 14 - Thu, Nov 5

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British Airways flights from Lisbon to Seattle

Our best British Airways deals on Lisbon to Seattle flight tickets
British Airways
Dec 19
LIS10:40 amLisbon Humberto Delgado
19h 37m
1 stop
SEA10:17 pmSeattle/Tacoma Intl
Jan 2
SEA1:40 pmSeattle/Tacoma Intl
20h 15m
1 stop
LIS5:55 pmLisbon Humberto Delgado
$880
British Airways
Dec 18
LIS11:05 amLisbon Humberto Delgado
19h 12m
1 stop
SEA10:17 pmSeattle/Tacoma Intl
Jan 3
SEA6:45 pmSeattle/Tacoma Intl
15h 00m
1 stop
LIS5:45 pmLisbon Humberto Delgado
$904
British Airways
Oct 14
LIS3:15 pmLisbon Humberto Delgado
28h 20m
1 stop
SEA11:35 amSeattle/Tacoma Intl
Nov 5
SEA1:40 pmSeattle/Tacoma Intl
20h 25m
1 stop
LIS6:05 pmLisbon Humberto Delgado
$6,025

Turkish Airlines flights from Lisbon to Seattle

Our best Turkish Airlines deals on Lisbon to Seattle flight tickets
Turkish Airlines
Nov 5
LIS6:00 amLisbon Humberto Delgado
20h 10m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Nov 18
SEA7:05 pmSeattle/Tacoma Intl
20h 20m
1 stop
LIS11:25 pmLisbon Humberto Delgado
$786
Turkish Airlines
Nov 5
LIS4:10 pmLisbon Humberto Delgado
34h 00m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Nov 18
SEA7:05 pmSeattle/Tacoma Intl
31h 30m
1 stop
LIS10:35 amLisbon Humberto Delgado
$791
Turkish Airlines
Nov 13
LIS4:10 pmLisbon Humberto Delgado
33h 00m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Nov 29
SEA7:05 pmSeattle/Tacoma Intl
36h 00m
1 stop
LIS3:05 pmLisbon Humberto Delgado
$794

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 1/26

11:35 am-5:00 pm

1 stop13h 25m

Seattle/Tacoma Intl

Wed 2/3

2:35 pm-12:50 pm

1 stop14h 15m

$652

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Thu 1/14

9:50 am-5:00 pm

2 stops39h 10m

Seattle/Tacoma Intl

Mon 1/25

2:35 pm-4:30 pm

2 stops17h 55m

$661

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Mon 11/9

6:20 am-5:00 pm

1 stop18h 40m

Seattle/Tacoma Intl

Sun 11/22

6:45 pm-11:00 pm

1 stop20h 15m

$709

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Fri 11/20

8:50 pm-5:00 pm

2 stops28h 10m

Seattle/Tacoma Intl

Sun 11/29

2:35 pm-9:35 pm

2 stops23h 00m

$726

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Thu 1/14

8:35 am-4:40 pm

1 stop16h 05m

Seattle/Tacoma Intl

Mon 1/25

6:50 pm-9:20 pm

1 stop18h 30m

$763

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Mon 11/2

5:55 am-5:00 pm

1 stop19h 05m

Seattle/Tacoma Intl

Sun 11/15

6:45 pm-10:40 pm

1 stop19h 55m

$765

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Mon 11/2

5:55 am-5:00 pm

1 stop19h 05m

Seattle/Tacoma Intl

Sun 11/15

6:45 pm-8:35 pm

1 stop17h 50m

$768

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Mon 11/2

5:55 am-5:00 pm

1 stop19h 05m

Seattle/Tacoma Intl

Sun 11/15

6:45 pm-8:35 pm

1 stop17h 50m

$771

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Wed 10/14

5:00 am-11:52 am

1 stop14h 52m

Seattle/Tacoma Intl

Mon 10/19

9:42 am-2:55 pm

2 stops21h 13m

$905

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Wed 10/14

5:00 am-4:35 pm

1 stop19h 35m

Seattle/Tacoma Intl

Thu 11/5

6:00 am-11:25 am

2 stops21h 25m

$905

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 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 October to fly from Lisbon, when ticket prices are also cheap, with an average price of $924.

Can stopping save me money on Lisbon to Seattle flights?

You could potentially save up to 15% 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

$428

Fastest flight time

13h 25m

Direct flights

None
The best one-way flight to Seattle from Lisbon in the past 72 hours is $428. The best round-trip flight deal from Lisbon to Seattle found on momondo in the last 72 hours is $652.
The fastest flight from Lisbon to Seattle takes 13h 25m
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 25m.

  • 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
8,622 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
Redmond
Olympia
Lakewood
Federal Way
Puyallup
Fife
Lynnwood
Tukwila
Cle Elum
Marysville
Lacey
Centralia
Kirkland
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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