Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Lisbon to Seattle from $334

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 4/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Lisbon to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
10:15 pm - 5:10 pm
LIS
-
SEA
26h 55m
1 stop
Aer Lingus Logo
7:10 pm - 9:35 pm
SEA
-
LIS
18h 25m
1 stop
$677Aer Lingus
Fri, Apr 24 - Sat, May 9
Multiple Airlines Logo
5:55 am - 6:45 pm
LIS
-
SEA
20h 50m
2 stops
Multiple Airlines Logo
7:00 pm - 2:35 pm
SEA
-
LIS
35h 35m
3 stops
$689Multiple Airlines
Sun, Apr 26 - Sun, May 3
Multiple Airlines Logo
5:55 am - 6:45 pm
LIS
-
SEA
20h 50m
2 stops
Multiple Airlines Logo
7:00 pm - 10:55 am
SEA
-
LIS
31h 55m
3 stops
$702Multiple Airlines
Sun, Apr 26 - Sun, May 3
Multiple Airlines Logo
5:55 am - 6:45 pm
LIS
-
SEA
20h 50m
2 stops
Multiple Airlines Logo
7:00 pm - 8:30 am
SEA
-
LIS
29h 30m
3 stops
$706Multiple Airlines
Sun, Apr 26 - Sun, May 3
Aer Lingus Logo
10:15 pm - 5:10 pm
LIS
-
SEA
26h 55m
1 stop
Aer Lingus Logo
7:10 pm - 9:35 pm
SEA
-
LIS
18h 25m
1 stop
$713Aer Lingus
Sun, Apr 5 - Mon, Apr 20
Multiple Airlines Logo
5:55 am - 9:38 am
LIS
-
SEA
35h 43m
3 stops
Multiple Airlines Logo
7:00 pm - 10:55 am
SEA
-
LIS
31h 55m
3 stops
$721Multiple Airlines
Sun, Apr 26 - Sun, May 3
Multiple Airlines Logo
5:55 am - 9:38 am
LIS
-
SEA
35h 43m
3 stops
Multiple Airlines Logo
7:00 pm - 10:55 am
SEA
-
LIS
31h 55m
3 stops
$722Multiple Airlines
Sun, Apr 26 - Sun, May 3
Multiple Airlines Logo
5:55 am - 5:10 pm
LIS
-
SEA
19h 15m
1 stop
Multiple Airlines Logo
7:10 pm - 10:05 pm
SEA
-
LIS
18h 55m
1 stop
$740Multiple Airlines
Sun, Apr 26 - Sun, May 3
Multiple Airlines Logo
5:55 am - 7:20 pm
LIS
-
SEA
21h 25m
3 stops
Multiple Airlines Logo
7:00 pm - 8:30 am
SEA
-
LIS
29h 30m
3 stops
$743Multiple Airlines
Sun, Apr 26 - Sun, May 3
Multiple Airlines Logo
5:55 am - 6:45 pm
LIS
-
SEA
20h 50m
2 stops
Multiple Airlines Logo
10:30 am - 6:10 pm
SEA
-
LIS
23h 40m
2 stops
$791Multiple Airlines
Sun, Apr 26 - Sun, May 3

Turkish Airlines flights from Lisbon to Seattle

Our best Turkish Airlines deals on Lisbon to Seattle flight tickets
Turkish Airlines
Apr 7
LIS10:55 amLisbon Humberto Delgado
38h 20m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
Apr 22
SEA7:10 pmSeattle/Tacoma Intl
20h 35m
1 stop
LIS11:45 pmLisbon Humberto Delgado
$907
Turkish Airlines
Apr 8
LIS5:55 amLisbon Humberto Delgado
19h 20m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
Apr 22
SEA7:10 pmSeattle/Tacoma Intl
20h 35m
1 stop
LIS11:45 pmLisbon Humberto Delgado
$911
Turkish Airlines
Mar 16
LIS11:40 amLisbon Humberto Delgado
37h 25m
1 stop
SEA6:05 pmSeattle/Tacoma Intl
Mar 22
SEA8:00 pmSeattle/Tacoma Intl
36h 05m
1 stop
LIS3:05 pmLisbon Humberto Delgado
$972

Aer Lingus flights from Lisbon to Seattle

Our best Aer Lingus deals on Lisbon to Seattle flight tickets
Aer Lingus
Apr 24
LIS10:15 pmLisbon Humberto Delgado
26h 55m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
May 9
SEA7:10 pmSeattle/Tacoma Intl
18h 25m
1 stop
LIS9:35 pmLisbon Humberto Delgado
$677
Aer Lingus
Apr 5
LIS10:15 pmLisbon Humberto Delgado
26h 55m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Apr 20
SEA7:10 pmSeattle/Tacoma Intl
18h 25m
1 stop
LIS9:35 pmLisbon Humberto Delgado
$713
Aer Lingus
Apr 8
LIS10:15 pmLisbon Humberto Delgado
34h 15m
2 stops
SEA12:30 amSeattle/Tacoma Intl
Apr 22
SEA11:28 pmSeattle/Tacoma Intl
38h 07m
2 stops
LIS9:35 pmLisbon Humberto Delgado
$847

momondo Fare Finder

 
Customize your flight search to find flights from Lisbon to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 13, 2026.
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 - SEA

LISSEA

Lisbon Humberto Delgado

Fri 4/24

10:15 pm-5:10 pm

1 stop26h 55m

Seattle/Tacoma Intl

Sat 5/9

7:10 pm-9:35 pm

1 stop18h 25m

$677

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sun 4/26

5:55 am-6:45 pm

2 stops20h 50m

Seattle/Tacoma Intl

Sun 5/3

7:00 pm-2:35 pm

3 stops35h 35m

$689

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sun 4/26

5:55 am-6:45 pm

2 stops20h 50m

Seattle/Tacoma Intl

Sun 5/3

7:00 pm-10:55 am

3 stops31h 55m

$702

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sun 4/26

5:55 am-6:45 pm

2 stops20h 50m

Seattle/Tacoma Intl

Sun 5/3

7:00 pm-8:30 am

3 stops29h 30m

$706

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sun 4/5

10:15 pm-5:10 pm

1 stop26h 55m

Seattle/Tacoma Intl

Mon 4/20

7:10 pm-9:35 pm

1 stop18h 25m

$713

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sun 4/26

5:55 am-9:38 am

3 stops35h 43m

Seattle/Tacoma Intl

Sun 5/3

7:00 pm-10:55 am

3 stops31h 55m

$721

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sun 4/26

5:55 am-9:38 am

3 stops35h 43m

Seattle/Tacoma Intl

Sun 5/3

7:00 pm-10:55 am

3 stops31h 55m

$722
Quickest round-trip

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sun 4/26

5:55 am-5:10 pm

1 stop19h 15m

Seattle/Tacoma Intl

Sun 5/3

7:10 pm-10:05 pm

1 stop18h 55m

$740

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sun 4/26

5:55 am-7:20 pm

3 stops21h 25m

Seattle/Tacoma Intl

Sun 5/3

7:00 pm-8:30 am

3 stops29h 30m

$743

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sun 4/26

5:55 am-6:45 pm

2 stops20h 50m

Seattle/Tacoma Intl

Sun 5/3

10:30 am-6:10 pm

2 stops23h 40m

$791

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 $825. If you don’t want to visit Seattle in February, then you should wait until May to fly from Lisbon, when ticket prices are also cheap, with an average price of $844.

How have Lisbon to Seattle flight prices changed over time?

As of March 2026, prices for Lisbon to Seattle flights are approximately 19% 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

14h 37m

Direct flights

None
The fastest flight from Lisbon to Seattle takes 14h 37m
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 14h 37m.

  • 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
Air FrancePriceFrom $762Free CancellationRating
7.4
1,544 reviews
Search Air France flights
British AirwaysPriceFrom $765Free CancellationRating
6.7
7,786 reviews
Search British Airways flights
DeltaPriceFrom $775Free CancellationRating
7.9
8,291 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
Lynnwood
Kent
Redmond
Marysville
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Fife
Westport
Centralia
Kirkland
Tumwater

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 4/12
Sun 4/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States