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Cheap flights from Lisbon to Seattle from $382

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 5/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Lisbon to Seattle

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Lisbon to Seattle.
 Logo
6:45 am - 1:50 pmLIS-SEA
15h 05m1 stop
 Logo
4:20 pm - 9:00 amSEA-LIS
32h 40m1 stop
Fri, Sep 5 - Fri, Sep 19
 Logo
6:45 am - 1:50 pmLIS-SEA
15h 05m1 stop
 Logo
4:20 pm - 8:40 pmSEA-LIS
20h 20m1 stop
Fri, Sep 5 - Fri, Sep 19
British Airways Logo
6:40 pm - 11:35 amLIS-SEA
24h 55m1 stop
British Airways Logo
8:20 pm - 11:10 pmSEA-LIS
18h 50m1 stop
$778British Airways
Find Deal
Thu, May 22 - Fri, May 30
British Airways Logo
11:00 am - 6:20 pmLIS-SEA
15h 20m1 stop
British Airways Logo
1:30 pm - 5:55 pmSEA-LIS
20h 25m1 stop
$781British Airways
Find Deal
Wed, May 21 - Wed, May 28
Delta Logo
5:00 am - 11:40 amLIS-SEA
14h 40m1 stop
Delta Logo
7:25 am - 8:50 amSEA-LIS
17h 25m2 stops
$814Delta
Find Deal
Thu, May 8 - Sun, May 11
Delta Logo
5:00 am - 11:40 amLIS-SEA
14h 40m1 stop
Delta Logo
1:30 pm - 11:15 amSEA-LIS
13h 45m1 stop
$820Delta
Find Deal
Tue, Jun 17 - Tue, Jul 8
United Airlines Logo
5:05 am - 10:13 pmLIS-SEA
25h 08m2 stops
United Airlines Logo
11:40 am - 11:05 amSEA-LIS
15h 25m1 stop
$846United Airlines
Find Deal
Sun, Jun 8 - Sun, Jun 15
United Airlines Logo
11:25 am - 8:49 amLIS-SEA
29h 24m2 stops
United Airlines Logo
7:20 am - 9:20 amSEA-LIS
18h 00m1 stop
$870United Airlines
Find Deal
Wed, Jun 4 - Mon, Jun 16
Air France Logo
9:50 am - 5:30 pmLIS-SEA
15h 40m1 stop
Air France Logo
1:30 pm - 2:50 pmSEA-LIS
17h 20m1 stop
$1,037Air France
Find Deal
Mon, Jun 30 - Wed, Jul 30
Air France Logo
12:45 pm - 10:10 pmLIS-SEA
17h 25m1 stop
Air France Logo
7:20 am - 10:45 amSEA-LIS
19h 25m1 stop
$1,995Air France
Find Deal
Tue, Jul 22 - Tue, Aug 5

Air Canada flights from Lisbon to Seattle

Our best Air Canada deals on Lisbon to Seattle flight tickets
Air Canada
Jun 11
LIS5:05 amLisbon Humberto Delgado
17h 08m
2 stops
SEA2:13 pmSeattle/Tacoma Intl
Jun 18
SEA11:35 amSeattle/Tacoma Intl
15h 30m
1 stop
LIS11:05 amLisbon Humberto Delgado
Air Canada
Jun 4
LIS12:50 pmLisbon Humberto Delgado
28h 28m
2 stops
SEA9:18 amSeattle/Tacoma Intl
Jun 16
SEA5:35 amSeattle/Tacoma Intl
19h 45m
2 stops
LIS9:20 amLisbon Humberto Delgado
Air Canada
Jun 2
LIS12:50 pmLisbon Humberto Delgado
30h 01m
1 stop
SEA10:51 amSeattle/Tacoma Intl
Jun 16
SEA5:35 amSeattle/Tacoma Intl
19h 45m
2 stops
LIS9:20 amLisbon Humberto Delgado

Aer Lingus flights from Lisbon to Seattle

Our best Aer Lingus deals on Lisbon to Seattle flight tickets
Aer Lingus
Jun 4
LIS10:15 pmLisbon Humberto Delgado
27h 35m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
Jun 16
SEA7:35 pmSeattle/Tacoma Intl
18h 00m
1 stop
LIS9:35 pmLisbon Humberto Delgado
Aer Lingus
Jun 3
LIS10:15 pmLisbon Humberto Delgado
27h 35m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
Jun 6
SEA7:35 pmSeattle/Tacoma Intl
18h 00m
1 stop
LIS9:35 pmLisbon Humberto Delgado
Aer Lingus
Jun 23
LIS11:25 amLisbon Humberto Delgado
14h 25m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
Jun 27
SEA7:35 pmSeattle/Tacoma Intl
18h 00m
1 stop
LIS9:35 pmLisbon Humberto Delgado

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, December 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 $795. If you don’t want to visit Seattle in December, then you should wait until April to fly from Lisbon, when ticket prices are also cheap, with an average price of $800.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Lisbon is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $800. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Lisbon because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,074.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Lisbon in the evening is the least expensive time of day to depart. momondo users have found prices as low as $718 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $873. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Lisbon when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $956 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Lisbon for as low as $787 on momondo.

How have Lisbon to Seattle flight prices changed over time?

As of April 2025, prices for Lisbon to Seattle flights are approximately 5% 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

$382

Fastest flight time

14h 25m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Lisbon in the past 72 hours is $382. The best round-trip flight deal from Lisbon to Seattle found on momondo in the last 72 hours is $716.
The fastest flight from Lisbon to Seattle takes 14h 25m
There are no direct flights from Lisbon to Seattle. Popular non-direct route for this connection is Lisbon Humberto Delgado Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • 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 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
American AirlinesPriceFrom $717Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $720Free CancellationRating
6.6
6,815 reviews
Search British Airways flights
United AirlinesPriceFrom $738Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
Air FrancePriceFrom $762Free CancellationRating
7.4
1,444 reviews
Search Air France flights
DeltaPriceFrom $765Free CancellationRating
8.0
7,919 reviews
Search Delta flights

Traveling to a place near Seattle?

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

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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