Which airport is the most popular layover for flights between Seattle and Lisbon?

London (LHR) was the most common stop: 47% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Seattle to Lisbon?

Flights connecting via Munich (MUC) have the shortest average one-way travel time: 14h 39m.

Which layover airport offers the lowest fares from Seattle to Lisbon?

Flights via Washington, D.C. (IAD) offer the lowest average round-trip price of $511.

Which layover airport has the shortest connection time from Seattle to Lisbon?

Munich (MUC) has the shortest average layover time for this route: 1h 23m.

What airlines fly to Lisbon?

British Airways, Delta and United Airlines are the top three most popular airlines that fly to Lisbon from Seattle according to our data. British Airways is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 13 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Lisbon Humberto Delgado Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Lisbon Humberto Delgado Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Lisbon Humberto Delgado Airport?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Lisbon Humberto Delgado Airport is 13 as of August 2026.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Lisbon Humberto Delgado Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Lisbon Humberto Delgado Airport.

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$261 Cheap Flights from Seattle to Lisbon in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Lisbon

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:35 pm - 12:50 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

14h 15m1 stop Reykjavik Keflavik Intl

11:35 am - 5:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

13h 25m1 stop Reykjavik Keflavik Intl

$694Icelandair

Sat, Jan 30 - Tue, Feb 9

10:10 am - 9:20 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

15h 10m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

5:00 am - 6:22 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

21h 22m2 stops Frankfurt am Main Vancouver Intl

$717Multiple Airlines

Mon, Feb 1 - Tue, Feb 23

3:50 pm - 1:30 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

14h 40m1 stop Munich Franz Josef Strauss

5:00 am - 12:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

15h 00m1 stop Frankfurt am Main

$724Lufthansa

Wed, Oct 28 - Wed, Nov 25

2:50 pm - 11:30 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

24h 40m1 stop Munich Franz Josef Strauss

5:00 am - 12:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

15h 00m1 stop Frankfurt am Main

$724Lufthansa

Wed, Nov 4 - Wed, Nov 18

2:50 pm - 1:30 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

14h 40m1 stop Munich Franz Josef Strauss

5:00 am - 2:37 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

17h 37m2 stops Frankfurt am Main Vancouver Intl

$724Multiple Airlines

Wed, Nov 4 - Wed, Nov 18

6:45 pm - 6:55 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

16h 10m1 stop London Heathrow

11:05 am - 10:01 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

18h 56m1 stop Philadelphia

$737British Airways

Mon, Feb 1 - Tue, Feb 23

3:15 pm - 10:40 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

35h 25m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

5:00 am - 6:22 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

21h 22m2 stops Frankfurt am Main Vancouver Intl

$743Air Canada

Sun, Nov 8 - Tue, Nov 24

7:05 pm - 10:40 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

31h 35m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

5:00 am - 2:37 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

17h 37m2 stops Frankfurt am Main Vancouver Intl

$743Air Canada

Sun, Nov 8 - Wed, Nov 18

3:40 pm - 1:50 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

14h 10m1 stop Reykjavik Keflavik Intl

3:00 pm - 8:40 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

13h 40m1 stop Reykjavik Keflavik Intl

$751Icelandair

Sat, Oct 3 - Sun, Oct 18

6:45 pm - 6:55 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

16h 10m1 stop London Heathrow

6:35 pm - 11:25 amLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

24h 50m1 stop London Heathrow

$757British Airways

Mon, Nov 9 - Mon, Nov 23

Cheap last minute flights

Enter your travel dates to find the best prices.

8:20 pm - 5:55 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

13h 35m1 stop London Heathrow

7:20 am - 6:25 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

19h 05m1 stop London Heathrow

$1,075British Airways

Tue, Aug 11 - Wed, Aug 19

8:10 am - 9:05 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

16h 55m1 stop Philadelphia

11:05 am - 8:35 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

17h 30m2 stops Philadelphia Cincinnati Cinci./N. Kentucky

$1,082American Airlines

Tue, Aug 11 - Wed, Aug 19

8:34 am - 9:05 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

16h 31m2 stops Minneapolis St Paul Philadelphia

11:05 am - 8:35 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

17h 30m2 stops Philadelphia Cincinnati Cinci./N. Kentucky

$1,082Multiple Airlines

Tue, Aug 11 - Wed, Aug 19

8:20 pm - 6:10 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

13h 50m1 stop London Heathrow

7:20 am - 6:25 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

19h 05m1 stop London Heathrow

$1,132British Airways

Thu, Aug 13 - Wed, Aug 19

6:05 pm - 6:50 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

28h 45m3 stops Frankfurt am Main Barcelona-El Prat Madrid Barajas

9:15 pm - 4:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

26h 45m2 stops Barcelona-El Prat Frankfurt am Main

$1,153Multiple Airlines

Thu, Aug 13 - Wed, Aug 19

11:25 pm - 5:15 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

33h 50m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Stockholm Arlanda

9:25 am - 11:45 amLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

34h 20m3 stops Duesseldorf Intl Kastrup Copenhagen Reykjavik Keflavik Intl

$1,167Multiple Airlines

Tue, Aug 11 - Wed, Aug 19

1:30 pm - 11:05 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

25h 35m1 stop London Heathrow

11:00 am - 11:59 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

20h 59m2 stops London Heathrow Chicago O'Hare Intl

$1,173British Airways

Thu, Aug 13 - Wed, Aug 19

6:05 pm - 8:35 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

18h 30m2 stops Frankfurt am Main Barcelona-El Prat

9:15 pm - 4:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

26h 45m2 stops Barcelona-El Prat Frankfurt am Main

$1,180Multiple Airlines

Thu, Aug 13 - Wed, Aug 19

6:05 pm - 8:30 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

30h 25m3 stops Frankfurt am Main Milan Malpensa Barcelona-El Prat

9:15 pm - 4:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

26h 45m3 stops Barcelona-El Prat Milan Malpensa Frankfurt am Main

$1,224Multiple Airlines

Thu, Aug 13 - Wed, Aug 19

8:00 am - 4:30 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

24h 30m2 stops Toronto Pearson Intl Václav Havel Prague

9:10 am - 11:55 amLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

34h 45m3 stops Barcelona-El Prat Václav Havel Prague Frankfurt am Main

$1,349Multiple Airlines

Tue, Aug 11 - Wed, Aug 19

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Icelandair flights from Seattle to Lisbon

Our best Icelandair deals on Seattle to Lisbon flight tickets

Icelandair

Jan 30

SEA2:35 pmSeattle/Tacoma Intl

14h 15m

1 stop

LIS12:50 pmLisbon Humberto Delgado

Feb 9

LIS11:35 amLisbon Humberto Delgado

13h 25m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$694

Icelandair

Oct 11

SEA7:00 pmSeattle/Tacoma Intl

34h 50m

1 stop

LIS1:50 pmLisbon Humberto Delgado

Oct 20

LIS3:00 pmLisbon Humberto Delgado

13h 40m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

$760

Icelandair

Oct 20

SEA7:00 pmSeattle/Tacoma Intl

34h 50m

1 stop

LIS1:50 pmLisbon Humberto Delgado

Oct 29

LIS2:00 pmLisbon Humberto Delgado

35h 00m

1 stop

SEA6:00 pmSeattle/Tacoma Intl

$771

Lufthansa flights from Seattle to Lisbon

Our best Lufthansa deals on Seattle to Lisbon flight tickets

Lufthansa

Oct 28

SEA3:50 pmSeattle/Tacoma Intl

14h 40m

1 stop

LIS1:30 pmLisbon Humberto Delgado

Nov 25

LIS5:00 amLisbon Humberto Delgado

15h 00m

1 stop

SEA12:00 pmSeattle/Tacoma Intl

$724

Lufthansa

Nov 8

SEA2:50 pmSeattle/Tacoma Intl

14h 40m

1 stop

LIS1:30 pmLisbon Humberto Delgado

Nov 18

LIS5:00 amLisbon Humberto Delgado

15h 00m

1 stop

SEA12:00 pmSeattle/Tacoma Intl

$725

Lufthansa

Nov 4

SEA2:50 pmSeattle/Tacoma Intl

14h 40m

1 stop

LIS1:30 pmLisbon Humberto Delgado

Nov 18

LIS5:00 amLisbon Humberto Delgado

22h 03m

2 stops

SEA7:03 pmSeattle/Tacoma Intl

$726

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Sat 1/30

2:35 pm-12:50 pm

1 stop14h 15m

Lisbon Humberto Delgado

Tue 2/9

11:35 am-5:00 pm

1 stop13h 25m

$694

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Mon 2/1

10:10 am-9:20 am

2 stops15h 10m

Lisbon Humberto Delgado

Tue 2/23

5:00 am-6:22 pm

2 stops21h 22m

$717

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Wed 10/28

3:50 pm-1:30 pm

1 stop14h 40m

Lisbon Humberto Delgado

Wed 11/25

5:00 am-12:00 pm

1 stop15h 00m

$724

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Wed 11/4

2:50 pm-11:30 pm

1 stop24h 40m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-12:00 pm

1 stop15h 00m

$724

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Wed 11/4

2:50 pm-1:30 pm

1 stop14h 40m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-2:37 pm

2 stops17h 37m

$724

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Mon 2/1

6:45 pm-6:55 pm

1 stop16h 10m

Lisbon Humberto Delgado

Tue 2/23

11:05 am-10:01 pm

1 stop18h 56m

$737

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Sun 11/8

3:15 pm-10:40 am

2 stops35h 25m

Lisbon Humberto Delgado

Tue 11/24

5:00 am-6:22 pm

2 stops21h 22m

$743

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Sun 11/8

7:05 pm-10:40 am

2 stops31h 35m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-2:37 pm

2 stops17h 37m

$743

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Sat 10/3

3:40 pm-1:50 pm

1 stop14h 10m

Lisbon Humberto Delgado

Sun 10/18

3:00 pm-8:40 pm

1 stop13h 40m

$751

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Mon 11/9

6:45 pm-6:55 pm

1 stop16h 10m

Lisbon Humberto Delgado

Mon 11/23

6:35 pm-11:25 am

1 stop24h 50m

$757

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Lisbon

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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Seattle and Lisbon?

Prices are currently low for flights on this route.

Typical prices usually range from $776 to $1,174.
The lowest price recently found on this route was $694.

What is the cheapest month to fly to Lisbon?

In general, January is the cheapest month to fly from Seattle to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $481. If you are unable to visit Lisbon during the month of January, then departing from Seattle during the month February is also very affordable. Most momondo users find prices during this month for around $553.

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

You are more likely to see cheaper flights to Lisbon from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $848 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Seattle for as low as $713 on momondo.

Can stopping save me money on Seattle to Lisbon flights?

You could potentially save up to 32% on your flight if you consider stops on a Seattle to Lisbon flight.

How have Seattle to Lisbon flight prices changed over time?

As of August 2026, prices for Seattle to Lisbon flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Lisbon according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Lisbon (SEA to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Lisbon

Fastest flight time	14h 15m
Direct flights	None

The fastest flight from Seattle to Lisbon takes 14h 15m

There are no direct flights from Seattle to Lisbon. There are no popular flight routes from Seattle to Lisbon.

Search flight deals

Frequently asked questions about flying from Seattle to Lisbon

How far is Seattle/Tacoma Intl to Lisbon Humberto Delgado by plane?
The straight-line distance from Seattle/Tacoma Intl to Lisbon Humberto Delgado is 5195.1 mi. 14h 15m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Lisbon Humberto Delgado Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Lisbon Humberto Delgado Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Lisbon Humberto Delgado Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Lisbon Humberto Delgado Airport is 13 as of August 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Lisbon Humberto Delgado Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to Lisbon?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Lisbon is British Airways (25% of total bookings). The next most popular airlines are Delta (21%), United Airlines (13%), and Lufthansa (11%).

Best airlines flying from Seattle to Lisbon

Compare and see reviews for airlines that fly from Seattle to Lisbon with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $348	Free Cancellation	Rating 6.9 728 reviews	Search Icelandair flights
Lufthansa	PriceFrom $475	Free Cancellation	Rating 6.8 8,176 reviews	Search Lufthansa flights
British Airways	PriceFrom $482	Free Cancellation	Rating 6.7 8,155 reviews	Search British Airways flights
United Airlines	PriceFrom $486	Free Cancellation	Rating 7.4 10,102 reviews	Search United Airlines flights
American Airlines	PriceFrom $497	Free Cancellation	Rating 7.1 11,904 reviews	Search American Airlines flights
KLM	PriceFrom $503	Free Cancellation	Rating 7.8 1,555 reviews	Search KLM flights
Air France	PriceFrom $504	Free Cancellation	Rating 7.5 1,640 reviews	Search Air France flights
Aer Lingus	PriceFrom $523	Free Cancellation	Rating 7.3 1,693 reviews	Search Aer Lingus flights
Air Canada	PriceFrom $543	Free Cancellation	Rating 7.1 11,462 reviews	Search Air Canada flights
Delta	PriceFrom $550	Free Cancellation	Rating 7.8 8,505 reviews	Search Delta flights

Sintra

Fátima

Figueira da Foz

Setúbal

Nazaré

Estoril

Evora

Ericeira

Peniche

Óbidos

Tomar

Batalha

Leiria

Oeiras

Sesimbra

Zambujeira do Mar

Torres Vedras

Comporta

Sines

Caldas da Rainha

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Lisbon?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Lisbon from Seattle.

Can I find flights from Seattle to Lisbon with flexible booking policies on momondo?

Yes. All flights to Lisbon from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Lisbon?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lisbon from Seattle.

I’m not ready to book a flight from Seattle to Lisbon right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Lisbon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Lisbon trip

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Cheap flights from Seattle to Lisbon from $261

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Lisbon departing on 10/20. 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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Filter for what you want

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Icelandair flights from Seattle to Lisbon

Our best Icelandair deals on Seattle to Lisbon flight tickets

Lufthansa flights from Seattle to Lisbon

Our best Lufthansa deals on Seattle to Lisbon flight tickets

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See travel insights to Lisbon from

How to get the cheapest flight ticket from Seattle to Lisbon

What is the typical price of a round-trip flight between Seattle and Lisbon?

What is the cheapest month to fly to Lisbon?

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

Can stopping save me money on Seattle to Lisbon flights?

How have Seattle to Lisbon flight prices changed over time?

What airlines fly to Lisbon?

Which airport is the most popular layover for flights between Seattle and Lisbon?

Which layover airport offers the lowest fares from Seattle to Lisbon?

Which layover airport has the shortest travel time from Seattle to Lisbon?

Which layover airport has the shortest connection time from Seattle to Lisbon?

When to book flights from Seattle to Lisbon

Cheap Seattle to Lisbon (SEA to LIS) flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Seattle to Lisbon

Best airlines flying from Seattle to Lisbon

Compare and see reviews for airlines that fly from Seattle to Lisbon with momondo

Traveling to a place near Lisbon?

Why use momondo?

An easier way to manage your Lisbon 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal

Fly your favorite airline to Lisbon

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Lisbon

List of cabin classes available on flights landing in Lisbon. Availability may vary depending on flight origin and airline.

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Seattle

According to popular flight searches on momondo this year

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