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Cheap flights from Seattle to Lisbon from $213

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 11/17. 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.

Find the cheapest flights from Seattle to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:35 pm - 12:50 pm
SEA
-
LIS
14h 15m
1 stop
Icelandair Logo
11:35 am - 5:00 pm
LIS
-
SEA
13h 25m
1 stop
$707Icelandair
Sat, Jan 9 - Tue, Jan 19
Icelandair Logo
2:35 pm - 12:50 pm
SEA
-
LIS
14h 15m
1 stop
Icelandair Logo
2:00 pm - 5:00 pm
LIS
-
SEA
35h 00m
1 stop
$709Icelandair
Sat, Jan 9 - Thu, Jan 21
Multiple Airlines Logo
8:40 am - 9:20 am
SEA
-
LIS
16h 40m
2 stops
Multiple Airlines Logo
5:00 am - 6:22 pm
LIS
-
SEA
21h 22m
2 stops
$713Multiple Airlines
Tue, Nov 10 - Thu, Nov 26
Multiple Airlines Logo
8:40 am - 6:55 am
SEA
-
LIS
15h 15m
2 stops
Multiple Airlines Logo
5:00 am - 2:37 pm
LIS
-
SEA
17h 37m
2 stops
$716Multiple Airlines
Wed, Oct 28 - Wed, Nov 11
Lufthansa Logo
3:50 pm - 11:30 pm
SEA
-
LIS
24h 40m
1 stop
Lufthansa Logo
5:00 am - 12:00 pm
LIS
-
SEA
15h 00m
1 stop
$723Lufthansa
Wed, Oct 28 - Wed, Nov 11
Lufthansa Logo
2:50 pm - 1:30 pm
SEA
-
LIS
14h 40m
1 stop
Lufthansa Logo
5:00 am - 12:00 pm
LIS
-
SEA
15h 00m
1 stop
$732Lufthansa
Sun, Nov 8 - Wed, Nov 18
British Airways Logo
1:30 pm - 9:45 pm
SEA
-
LIS
24h 15m
1 stop
British Airways Logo
11:05 am - 10:00 pm
LIS
-
SEA
18h 55m
1 stop
$736British Airways
Tue, Nov 10 - Tue, Nov 17
Air Canada Logo
7:05 pm - 10:40 am
SEA
-
LIS
31h 35m
2 stops
Air Canada Logo
5:00 am - 9:57 pm
LIS
-
SEA
24h 57m
2 stops
$743Air Canada
Sun, Jan 10 - Fri, Jan 22
Air Canada Logo
8:15 am - 10:40 am
SEA
-
LIS
18h 25m
2 stops
Air Canada Logo
5:00 am - 2:37 pm
LIS
-
SEA
17h 37m
2 stops
$743Air Canada
Mon, Jan 11 - Tue, Jan 19
British Airways Logo
1:30 pm - 9:45 pm
SEA
-
LIS
24h 15m
1 stop
British Airways Logo
3:55 pm - 11:25 am
LIS
-
SEA
27h 30m
1 stop
$745British Airways
Tue, Nov 24 - Wed, Dec 2

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British Airways flights from Seattle to Lisbon

Our best British Airways deals on Seattle to Lisbon flight tickets
British Airways
Nov 24
SEA1:30 pmSeattle/Tacoma Intl
24h 15m
1 stop
LIS9:45 pmLisbon Humberto Delgado
Dec 2
LIS3:55 pmLisbon Humberto Delgado
27h 30m
1 stop
SEA11:25 amSeattle/Tacoma Intl
$745
British Airways
Aug 12
SEA1:30 pmSeattle/Tacoma Intl
20h 25m
1 stop
LIS5:55 pmLisbon Humberto Delgado
Aug 28
LIS11:05 amLisbon Humberto Delgado
19h 51m
1 stop
SEA10:56 pmSeattle/Tacoma Intl
$1,070
British Airways
Aug 10
SEA1:30 pmSeattle/Tacoma Intl
15h 25m
1 stop
LIS12:55 pmLisbon Humberto Delgado
Aug 18
LIS6:45 pmLisbon Humberto Delgado
24h 50m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$1,074

Icelandair flights from Seattle to Lisbon

Our best Icelandair deals on Seattle to Lisbon flight tickets
Icelandair
Jan 9
SEA2:35 pmSeattle/Tacoma Intl
14h 15m
1 stop
LIS12:50 pmLisbon Humberto Delgado
Jan 19
LIS11:35 amLisbon Humberto Delgado
13h 25m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$707
Icelandair
Jan 9
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
$709
Icelandair
Jan 6
SEA2:35 pmSeattle/Tacoma Intl
14h 15m
1 stop
LIS12:50 pmLisbon Humberto Delgado
Jan 19
LIS11:35 amLisbon Humberto Delgado
13h 25m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$730

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Lisbon 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 August 2, 2026.
Use the filters below to find and compare flights from Seattle to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sat 1/9

2:35 pm-12:50 pm

1 stop14h 15m

Lisbon Humberto Delgado

Tue 1/19

11:35 am-5:00 pm

1 stop13h 25m

$707

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sat 1/9

2:35 pm-12:50 pm

1 stop14h 15m

Lisbon Humberto Delgado

Thu 1/21

2:00 pm-5:00 pm

1 stop35h 00m

$709

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 11/10

8:40 am-9:20 am

2 stops16h 40m

Lisbon Humberto Delgado

Thu 11/26

5:00 am-6:22 pm

2 stops21h 22m

$713

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 10/28

8:40 am-6:55 am

2 stops15h 15m

Lisbon Humberto Delgado

Wed 11/11

5:00 am-2:37 pm

2 stops17h 37m

$716

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 10/28

3:50 pm-11:30 pm

1 stop24h 40m

Lisbon Humberto Delgado

Wed 11/11

5:00 am-12:00 pm

1 stop15h 00m

$723

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 11/8

2:50 pm-1:30 pm

1 stop14h 40m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-12:00 pm

1 stop15h 00m

$732

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 11/10

1:30 pm-9:45 pm

1 stop24h 15m

Lisbon Humberto Delgado

Tue 11/17

11:05 am-10:00 pm

1 stop18h 55m

$736

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 1/10

7:05 pm-10:40 am

2 stops31h 35m

Lisbon Humberto Delgado

Fri 1/22

5:00 am-9:57 pm

2 stops24h 57m

$743

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Mon 1/11

8:15 am-10:40 am

2 stops18h 25m

Lisbon Humberto Delgado

Tue 1/19

5:00 am-2:37 pm

2 stops17h 37m

$743

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 11/24

1:30 pm-9:45 pm

1 stop24h 15m

Lisbon Humberto Delgado

Wed 12/2

3:55 pm-11:25 am

1 stop27h 30m

$745

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Lisbon from

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

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 $811 to $1,100.
The lowest price recently found on this route was $707.

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 $843 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 $728 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 10m

Direct flights

None
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?

  • 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?

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
IcelandairPriceFrom $348Free CancellationRating
7.0
720 reviews
Search Icelandair flights
LufthansaPriceFrom $475Free CancellationRating
6.8
8,174 reviews
Search Lufthansa flights
British AirwaysPriceFrom $482Free CancellationRating
6.7
8,143 reviews
Search British Airways flights
United AirlinesPriceFrom $488Free CancellationRating
7.4
10,062 reviews
Search United Airlines flights
American AirlinesPriceFrom $497Free CancellationRating
7.1
11,846 reviews
Search American Airlines flights
KLMPriceFrom $503Free CancellationRating
7.8
1,552 reviews
Search KLM flights
Air FrancePriceFrom $505Free CancellationRating
7.5
1,633 reviews
Search Air France flights
Aer LingusPriceFrom $523Free CancellationRating
7.3
1,685 reviews
Search Aer Lingus flights
Air CanadaPriceFrom $543Free CancellationRating
7.1
11,419 reviews
Search Air Canada flights
DeltaPriceFrom $550Free CancellationRating
7.8
8,492 reviews
Search Delta flights

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Figueira da Foz
Setúbal
Estoril
Fátima
Nazaré
Evora
Ericeira
Leiria
Peniche
Óbidos
Sesimbra
Batalha
Tomar
Oeiras
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.

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