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

London (LHR) was the most common stop: 50% 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 Paris (CDG) have the shortest average one-way travel time: 14h 26m.

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

Paris (CDG) has the shortest average layover time for this route: 2h 30m.

What airlines fly to Lisbon?

Delta, British Airways and United Airlines are the top three most popular airlines that fly to Lisbon from Seattle according to our data. Delta is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 12 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Lisbon Humberto Delgado?

Icelandair is the most popular carrier operating from Seattle/Tacoma Intl to Lisbon Humberto Delgado

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 12 as of November 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.

$300 Cheap Flights from Seattle to Lisbon in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Lisbon

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:35 pm - 12:45 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

14h 10m1 stop Reykjavik Keflavik Intl

1:55 pm - 5:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

35h 05m1 stop Reykjavik Keflavik Intl

$587Icelandair

Mon, Nov 23 - Tue, Dec 8

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

$589Icelandair

Wed, Feb 3 - Tue, Feb 9

7:45 am - 3:55 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

24h 10m2 stops Toronto Pearson Intl Kastrup Copenhagen

6:55 pm - 8:59 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

34h 04m2 stops Kastrup Copenhagen Toronto Pearson Intl

$705Multiple Airlines

Thu, Dec 3 - Thu, Dec 10

2:35 pm - 8:30 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

33h 55m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Barcelona-El Prat

6:25 pm - 5:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

30h 35m3 stops Kastrup Copenhagen Stockholm Arlanda Reykjavik Keflavik Intl

$725Multiple Airlines

Wed, Feb 10 - Tue, Feb 16

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

24h 40m1 stop Munich Franz Josef Strauss

6:00 am - 1:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

15h 00m1 stop Munich Franz Josef Strauss

$772Lufthansa

Wed, Feb 3 - Fri, Feb 19

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

14h 40m1 stop Munich Franz Josef Strauss

6:05 am - 9:32 amLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

35h 27m2 stops Munich Franz Josef Strauss Vancouver Intl

$773Lufthansa

Wed, Jan 6 - Thu, Jan 21

7:05 pm - 6:55 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

27h 50m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

6:05 am - 9:57 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

23h 52m2 stops Munich Franz Josef Strauss Vancouver Intl

$787Air Canada

Tue, Dec 8 - Tue, Dec 15

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 - 9:57 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

24h 57m2 stops Frankfurt am Main Vancouver Intl

$791Air Canada

Wed, Feb 3 - Wed, Feb 17

3:25 pm - 5:30 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

18h 05m1 stop Paris Charles de Gaulle

5:00 am - 11:50 amLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

14h 50m1 stop Amsterdam Schiphol

$792Delta

Sun, Jan 31 - Fri, Feb 19

4:05 pm - 3:10 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

15h 05m1 stop Paris Charles de Gaulle

5:00 am - 11:50 amLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

14h 50m1 stop Amsterdam Schiphol

$792Delta

Tue, Feb 2 - Tue, Feb 16

Cheap last minute flights

Enter your travel dates to find the best prices.

7:45 am - 9:20 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

17h 35m1 stop Toronto Pearson Intl

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

17h 37m2 stops Frankfurt am Main Vancouver Intl

$822Multiple Airlines

Tue, Nov 10 - Wed, Nov 18

7:45 am - 9:20 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

17h 35m1 stop Toronto Pearson Intl

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

15h 00m1 stop Frankfurt am Main

$824Multiple Airlines

Tue, Nov 10 - Wed, Nov 18

8:30 am - 10:20 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

17h 50m2 stops Denver Intl Washington, D.C. Dulles Intl

5:00 am - 7:09 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

22h 09m2 stops Frankfurt am Main Los Angeles

$851United Airlines

Tue, Nov 10 - Wed, Nov 18

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

14h 40m1 stop Munich Franz Josef Strauss

6:00 am - 1:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

15h 00m1 stop Munich Franz Josef Strauss

$851Lufthansa

Fri, Nov 13 - Fri, Nov 20

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

17h 00m1 stop Frankfurt am Main

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

15h 00m1 stop Frankfurt am Main

$866Lufthansa

Thu, Nov 12 - Thu, Nov 19

7:45 am - 9:20 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

17h 35m1 stop Toronto Pearson Intl

8:55 am - 9:57 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

21h 02m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$878Air Canada

Thu, Nov 12 - Thu, Nov 19

10:10 am - 11:35 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

17h 25m2 stops Vancouver Intl Frankfurt am Main

6:05 am - 6:22 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

20h 17m2 stops Munich Franz Josef Strauss Vancouver Intl

$886Air Canada

Thu, Nov 12 - Thu, Nov 19

9:45 am - 9:00 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

15h 15m2 stops Detroit Metropolitan Wayne County Boston Logan Intl

5:30 am - 4:53 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

19h 23m2 stops Paris Charles de Gaulle Salt Lake City

$897Air France

Fri, Nov 13 - Fri, Nov 20

7:05 pm - 3:10 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

36h 05m1 stop Istanbul

5:55 am - 5:10 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

19h 15m1 stop Istanbul

$1,093Turkish Airlines

Mon, Nov 9 - Fri, Nov 13

7:05 pm - 11:25 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

20h 20m1 stop Istanbul

5:55 am - 5:10 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

19h 15m1 stop Istanbul

$1,120Turkish Airlines

Mon, Nov 9 - Fri, Nov 13

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Icelandair flights from Seattle to Lisbon

Our best Icelandair deals on Seattle to Lisbon flight tickets

Icelandair

Nov 23

SEA2:35 pmSeattle/Tacoma Intl

14h 10m

1 stop

LIS12:45 pmLisbon Humberto Delgado

Dec 8

LIS1:55 pmLisbon Humberto Delgado

35h 05m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$587

Icelandair

Feb 3

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

$589

Icelandair

Jan 6

SEA2:35 pmSeattle/Tacoma Intl

14h 15m

1 stop

LIS12:50 pmLisbon Humberto Delgado

Jan 21

LIS2:00 pmLisbon Humberto Delgado

35h 00m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$592

Turkish Airlines flights from Seattle to Lisbon

Our best Turkish Airlines deals on Seattle to Lisbon flight tickets

Turkish Airlines

Nov 9

SEA7:05 pmSeattle/Tacoma Intl

36h 05m

1 stop

LIS3:10 pmLisbon Humberto Delgado

Nov 13

LIS5:55 amLisbon Humberto Delgado

19h 15m

1 stop

SEA5:10 pmSeattle/Tacoma Intl

$1,093

Turkish Airlines

Nov 9

SEA7:05 pmSeattle/Tacoma Intl

20h 20m

1 stop

LIS11:25 pmLisbon Humberto Delgado

Nov 13

LIS5:55 amLisbon Humberto Delgado

19h 15m

1 stop

SEA5:10 pmSeattle/Tacoma Intl

$1,120

Turkish Airlines

Nov 10

SEA10:50 amSeattle/Tacoma Intl

39h 45m

2 stops

LIS10:35 amLisbon Humberto Delgado

Nov 14

LIS11:35 amLisbon Humberto Delgado

37h 35m

1 stop

SEA5:10 pmSeattle/Tacoma Intl

$1,240

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Mon 11/23

2:35 pm-12:45 pm

1 stop14h 10m

Lisbon Humberto Delgado

Tue 12/8

1:55 pm-5:00 pm

1 stop35h 05m

$587

Quickest round-trip

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Wed 2/3

2:35 pm-12:50 pm

1 stop14h 15m

Lisbon Humberto Delgado

Tue 2/9

11:35 am-5:00 pm

1 stop13h 25m

$589

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Thu 12/3

7:45 am-3:55 pm

2 stops24h 10m

Lisbon Humberto Delgado

Thu 12/10

6:55 pm-8:59 pm

2 stops34h 04m

$705

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Wed 2/10

2:35 pm-8:30 am

3 stops33h 55m

Lisbon Humberto Delgado

Tue 2/16

6:25 pm-5:00 pm

3 stops30h 35m

$725

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Wed 2/3

2:50 pm-11:30 pm

1 stop24h 40m

Lisbon Humberto Delgado

Fri 2/19

6:00 am-1:00 pm

1 stop15h 00m

$772

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Wed 1/6

2:50 pm-1:30 pm

1 stop14h 40m

Lisbon Humberto Delgado

Thu 1/21

6:05 am-9:32 am

2 stops35h 27m

$773

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Tue 12/8

7:05 pm-6:55 am

2 stops27h 50m

Lisbon Humberto Delgado

Tue 12/15

6:05 am-9:57 pm

2 stops23h 52m

$787

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Wed 2/3

10:10 am-9:20 am

2 stops15h 10m

Lisbon Humberto Delgado

Wed 2/17

5:00 am-9:57 pm

2 stops24h 57m

$791

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Sun 1/31

3:25 pm-5:30 pm

1 stop18h 05m

Lisbon Humberto Delgado

Fri 2/19

5:00 am-11:50 am

1 stop14h 50m

$792

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Tue 2/2

4:05 pm-3:10 pm

1 stop15h 05m

Lisbon Humberto Delgado

Tue 2/16

5:00 am-11:50 am

1 stop14h 50m

$792

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 $665 to $918.
The lowest price recently found on this route was $587.

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 $497. 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 $554.

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 $889 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 $810 on momondo.

Can stopping save me money on Seattle to Lisbon flights?

You could potentially save up to 84% 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 November 2026, prices for Seattle to Lisbon flights are approximately 88% 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

Best Price Found	$300
Fastest flight time	14h 10m
Direct flights	None

The best one-way flight to Lisbon from Seattle in the past 72 hours is $300. The best round-trip flight deal from Seattle to Lisbon found on momondo in the last 72 hours is $587.

The fastest flight from Seattle to Lisbon takes 14h 10m

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 10m 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 12 as of November 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 Delta (28% of total bookings). The next most popular airlines are British Airways (27%), United Airlines (12%), and Lufthansa (8%).

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 $380	Free Cancellation	Rating 6.9 767 reviews	Search Icelandair flights
Lufthansa	PriceFrom $482	Free Cancellation	Rating 6.8 8,292 reviews	Search Lufthansa flights
British Airways	PriceFrom $482	Free Cancellation	Rating 6.7 8,285 reviews	Search British Airways flights
United Airlines	PriceFrom $482	Free Cancellation	Rating 7.3 10,471 reviews	Search United Airlines flights
KLM	PriceFrom $493	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
American Airlines	PriceFrom $497	Free Cancellation	Rating 7.0 12,226 reviews	Search American Airlines flights
Air France	PriceFrom $504	Free Cancellation	Rating 7.5 1,647 reviews	Search Air France flights
Delta	PriceFrom $559	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
Scandinavian Airlines	PriceFrom $567	Free Cancellation	Rating 7.5 2,026 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $682	Free Cancellation	Rating 7.4 4,468 reviews	Search Turkish Airlines flights

Sintra

Setúbal

Nazaré

Evora

Figueira da Foz

Estoril

Fátima

Óbidos

Ericeira

Sesimbra

Torres Vedras

Leiria

Batalha

Sines

Costa da Caparica

Caldas da Rainha

Comporta

Oeiras

Peniche

Tomar

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

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.

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Cheap flights from Seattle to Lisbon from $300

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 12/8. 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

Turkish Airlines flights from Seattle to Lisbon

Our best Turkish Airlines deals on Seattle to Lisbon flight tickets

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Use the filters below to find and compare flights from Seattle to Lisbon that are best for you.

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 is the cheapest airline that flies from Seattle/Tacoma Intl to Lisbon Humberto Delgado?

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

Best Price Found

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.

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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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