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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 11/3. 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

Multiple Airlines Logo
9:05 am - 10:35 amLIS-SEA
33h 30m2 stops
Multiple Airlines Logo
7:05 am - 5:25 amSEA-LIS
14h 20m1 stop
$714Multiple Airlines
Find Deal
mar., nov. 18 - vie., nov. 28
Multiple Airlines Logo
5:00 am - 7:05 pmLIS-SEA
22h 05m2 stops
Multiple Airlines Logo
7:57 am - 9:20 amSEA-LIS
17h 23m2 stops
$715Multiple Airlines
Find Deal
mar., nov. 18 - mar., nov. 25
Multiple Airlines Logo
8:35 am - 7:05 pmLIS-SEA
18h 30m1 stop
Multiple Airlines Logo
7:57 am - 6:45 amSEA-LIS
14h 48m1 stop
$716Multiple Airlines
Find Deal
mié., nov. 19 - mar., nov. 25
Multiple Airlines Logo
9:05 am - 10:35 amLIS-SEA
33h 30m2 stops
Multiple Airlines Logo
8:39 am - 11:40 amSEA-LIS
19h 01m1 stop
$719Multiple Airlines
Find Deal
mar., nov. 18 - vie., nov. 28
American Airlines Logo
10:55 am - 11:05 pmLIS-SEA
20h 10m2 stops
American Airlines Logo
6:50 pm - 10:30 pmSEA-LIS
19h 40m1 stop
$754American Airlines
Find Deal
jue., nov. 6 - sáb., nov. 22
British Airways Logo
11:05 am - 9:56 pmLIS-SEA
18h 51m1 stop
British Airways Logo
7:50 pm - 10:05 amSEA-LIS
31h 15m1 stop
$755British Airways
Find Deal
vie., feb. 27 - jue., mar. 12
British Airways Logo
10:55 am - 10:09 pmLIS-SEA
19h 14m1 stop
British Airways Logo
6:50 pm - 10:30 pmSEA-LIS
19h 40m1 stop
$757British Airways
Find Deal
jue., nov. 6 - sáb., nov. 22
Delta Logo
5:00 am - 11:45 amLIS-SEA
14h 45m1 stop
Delta Logo
1:40 pm - 3:10 pmSEA-LIS
17h 30m1 stop
$760Delta
Find Deal
mar., nov. 11 - mar., nov. 25
Delta Logo
5:00 am - 11:45 amLIS-SEA
14h 45m1 stop
Delta Logo
7:20 am - 8:55 amSEA-LIS
17h 35m1 stop
$764Delta
Find Deal
mié., nov. 19 - jue., nov. 27
Air France Logo
5:30 am - 12:25 pmLIS-SEA
13h 55m1 stop
Air France Logo
1:40 pm - 11:20 amSEA-LIS
13h 40m1 stop
$765Air France
Find Deal
jue., oct. 30 - jue., nov. 6

Delta flights from Lisbon to Seattle

Our best Delta deals on Lisbon to Seattle flight tickets
Delta
Nov 11
LIS5:00 amLisbon Humberto Delgado
14h 45m
1 stop
SEA11:45 amSeattle/Tacoma Intl
Nov 25
SEA1:40 pmSeattle/Tacoma Intl
17h 30m
1 stop
LIS3:10 pmLisbon Humberto Delgado
$760
Find similar
Delta
Nov 19
LIS5:00 amLisbon Humberto Delgado
14h 45m
1 stop
SEA11:45 amSeattle/Tacoma Intl
Nov 27
SEA7:20 amSeattle/Tacoma Intl
17h 35m
1 stop
LIS8:55 amLisbon Humberto Delgado
$764
Find similar
Delta
Nov 19
LIS5:00 amLisbon Humberto Delgado
18h 35m
2 stops
SEA3:35 pmSeattle/Tacoma Intl
Nov 27
SEA7:30 amSeattle/Tacoma Intl
19h 50m
2 stops
LIS11:20 amLisbon Humberto Delgado
$766
Find similar

British Airways flights from Lisbon to Seattle

Our best British Airways deals on Lisbon to Seattle flight tickets
British Airways
Feb 27
LIS11:05 amLisbon Humberto Delgado
18h 51m
1 stop
SEA9:56 pmSeattle/Tacoma Intl
Mar 12
SEA7:50 pmSeattle/Tacoma Intl
31h 15m
1 stop
LIS10:05 amLisbon Humberto Delgado
$755
Find similar
British Airways
Nov 6
LIS10:55 amLisbon Humberto Delgado
19h 14m
1 stop
SEA10:09 pmSeattle/Tacoma Intl
Nov 22
SEA6:50 pmSeattle/Tacoma Intl
19h 40m
1 stop
LIS10:30 pmLisbon Humberto Delgado
$757
Find similar
British Airways
Nov 15
LIS3:55 pmLisbon Humberto Delgado
33h 00m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
Nov 22
SEA1:35 pmSeattle/Tacoma Intl
24h 55m
1 stop
LIS10:30 pmLisbon Humberto Delgado
$761
Find similar

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 septiembre 16, 2025.
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

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

mar. 11/18

9:05 am-10:35 am

2 stops33h 30m

Seattle/Tacoma Intl

vie. 11/28

7:05 am-5:25 am

1 stop14h 20m

$714

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

mar. 11/18

5:00 am-7:05 pm

2 stops22h 05m

Seattle/Tacoma Intl

mar. 11/25

7:57 am-9:20 am

2 stops17h 23m

$715

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

mié. 11/19

8:35 am-7:05 pm

1 stop18h 30m

Seattle/Tacoma Intl

mar. 11/25

7:57 am-6:45 am

1 stop14h 48m

$716

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

mar. 11/18

9:05 am-10:35 am

2 stops33h 30m

Seattle/Tacoma Intl

vie. 11/28

8:39 am-11:40 am

1 stop19h 01m

$719

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

jue. 11/6

10:55 am-11:05 pm

2 stops20h 10m

Seattle/Tacoma Intl

sáb. 11/22

6:50 pm-10:30 pm

1 stop19h 40m

$754

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

vie. 2/27

11:05 am-9:56 pm

1 stop18h 51m

Seattle/Tacoma Intl

jue. 3/12

7:50 pm-10:05 am

1 stop31h 15m

$755

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

jue. 11/6

10:55 am-10:09 pm

1 stop19h 14m

Seattle/Tacoma Intl

sáb. 11/22

6:50 pm-10:30 pm

1 stop19h 40m

$757

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

mar. 11/11

5:00 am-11:45 am

1 stop14h 45m

Seattle/Tacoma Intl

mar. 11/25

1:40 pm-3:10 pm

1 stop17h 30m

$760

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

mié. 11/19

5:00 am-11:45 am

1 stop14h 45m

Seattle/Tacoma Intl

jue. 11/27

7:20 am-8:55 am

1 stop17h 35m

$764

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

jue. 10/30

5:30 am-12:25 pm

1 stop13h 55m

Seattle/Tacoma Intl

jue. 11/6

1:40 pm-11:20 am

1 stop13h 40m

$765

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $937 when searching 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 $792 on momondo.

How have Lisbon to Seattle flight prices changed over time?

As of September 2025, prices for Lisbon to Seattle flights are approximately 4% 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

Direct flights

None
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 13h 55m.

  • 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
British AirwaysPriceFrom $720Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
United AirlinesPriceFrom $738Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Air FrancePriceFrom $762Free CancellationRating
7.4
1,468 reviews
Search Air France flights
DeltaPriceFrom $775Free CancellationRating
7.9
7,957 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
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Kirkland
Tukwila
Shoreline
Lakewood
Centralia
Fife
Cle Elum
Redmond
Westport

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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