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Cheap flights from Seattle to Lisbon from $348

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 2/2. 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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Find the cheapest flights from Seattle to Lisbon

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Lisbon that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Lisbon.

Cheap last minute flights

Planning a quick getaway from Seattle to Lisbon? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Lisbon, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Lisbon

Find recent round-trip train or bus tickets from Seattle to Lisbon.

All round-trip flight deals from Seattle to Lisbon

The cheapest plane tickets from Seattle to Lisbon found on KAYAK recently.
2:35 pm - 8:20 pmSEA-LIS
21h 45m1 stop
9:20 pm - 6:00 pmLIS-SEA
27h 40m1 stop
$545Icelandair
Find Deal
Sun, Feb 23 - Mon, Mar 10
3:35 pm - 8:20 pmSEA-LIS
21h 45m1 stop
9:20 pm - 6:00 pmLIS-SEA
27h 40m1 stop
$546Icelandair
Find Deal
Sun, Mar 16 - Mon, Mar 24
2:35 pm - 8:20 pmSEA-LIS
21h 45m1 stop
9:20 pm - 6:00 pmLIS-SEA
27h 40m1 stop
$550Icelandair
Find Deal
Sun, Mar 2 - Mon, Mar 10
1:35 pm - 2:45 pmSEA-LIS
17h 10m1 stop
11:05 am - 10:09 pmLIS-SEA
19h 04m1 stop
$688British Airways
Find Deal
Tue, Feb 4 - Fri, Feb 14
10:35 am - 9:20 amSEA-LIS
14h 45m2 stops
5:00 am - 6:25 pmLIS-SEA
20h 25m2 stops
$700Air Canada
Find Deal
Tue, Mar 4 - Mon, Mar 10
1:35 pm - 2:45 pmSEA-LIS
17h 10m1 stop
7:05 am - 4:55 pmLIS-SEA
17h 50m1 stop
$701British Airways
Find Deal
Tue, Feb 4 - Wed, Feb 12
10:35 am - 9:20 amSEA-LIS
14h 45m2 stops
5:00 am - 10:00 pmLIS-SEA
24h 00m2 stops
$704Air Canada
Find Deal
Tue, Mar 4 - Mon, Mar 10
7:20 am - 10:45 amSEA-LIS
19h 25m1 stop
10:00 am - 10:25 pmLIS-SEA
20h 25m1 stop
$752Air France
Find Deal
Wed, Apr 23 - Thu, May 8
7:10 am - 8:00 amSEA-LIS
16h 50m1 stop
10:00 am - 7:55 pmLIS-SEA
17h 55m1 stop
$755Delta
Find Deal
Fri, Feb 7 - Fri, Feb 14
2:09 pm - 2:35 pmSEA-LIS
16h 26m1 stop
11:25 am - 11:46 amLIS-SEA
32h 21m1 stop
$768Delta
Find Deal
Fri, Feb 7 - Mon, Feb 17
7:10 am - 3:40 pmSEA-LIS
48h 30m3 stops
Sun, Feb 2
5:16 pm - 8:10 pmSEA-LIS
42h 54m3 stops
Mon, Feb 3
3:16 pm - 3:25 pmSEA-LIS
40h 09m3 stops
Mon, Mar 3
7:05 pm - 9:20 amSEA-LIS
31h 15m2 stops
$474Air Canada
Find Deal
Sat, Mar 22
3:05 pm - 8:55 amSEA-LIS
33h 50m2 stops
$487Air Canada
Find Deal
Fri, Jan 31
8:20 pm - 5:55 pmSEA-LIS
13h 35m1 stop
$494British Airways
Find Deal
Sun, Apr 27
10:00 pm - 10:45 amSEA-LIS
28h 45m1 stop
$521Delta
Find Deal
Sat, Apr 26
6:40 pm - 5:55 pmSEA-LIS
15h 15m1 stop
$530Air France
Find Deal
Thu, Apr 24
6:45 pm - 5:55 pmSEA-LIS
15h 10m1 stop
$1,693Air France
Find Deal
Sun, Jun 1
6:05 am - 10:45 amSEA-LIS
20h 40m2 stops
$1,742Delta
Find Deal
Tue, Jun 3
2:35 pm - 8:40 pmSEA-LIS
22h 05m2 stops
10:05 pm - 12:19 amLIS-SEA
34h 14m3 stops
Mon, Jan 27 - Wed, Jan 29
2:35 pm - 7:40 pmSEA-LIS
21h 05m3 stops
10:05 pm - 12:19 amLIS-SEA
34h 14m3 stops
Mon, Jan 27 - Wed, Jan 29
7:05 pm - 9:20 amSEA-LIS
54h 15m2 stops
5:00 am - 10:07 pmLIS-SEA
25h 07m2 stops
$1,021Air Canada
Find Deal
Sat, Jan 25 - Tue, Feb 4
2:35 pm - 8:40 pmSEA-LIS
22h 05m2 stops
4:05 pm - 2:50 pmLIS-SEA
30h 45m2 stops
$1,036
Find Deal
Mon, Jan 27 - Wed, Jan 29
5:20 pm - 8:00 pmSEA-LIS
18h 40m1 stop
6:30 pm - 12:19 amLIS-SEA
37h 49m2 stops
$1,069
Find Deal
Mon, Jan 27 - Wed, Jan 29
2:00 pm - 3:05 pmSEA-LIS
17h 05m1 stop
5:00 am - 10:07 pmLIS-SEA
25h 07m2 stops
$1,087
Find Deal
Sat, Jan 25 - Tue, Feb 4
1:45 pm - 10:25 pmSEA-LIS
24h 40m1 stop
7:40 pm - 4:55 pmLIS-SEA
29h 15m1 stop
$1,120British Airways
Find Deal
Sat, Jan 25 - Tue, Feb 4
7:10 am - 8:00 amSEA-LIS
16h 50m1 stop
3:25 pm - 11:51 amLIS-SEA
28h 26m1 stop
$1,166KLM
Find Deal
Mon, Jan 27 - Wed, Jan 29

Icelandair flights from Seattle to Lisbon

Our best Icelandair deals on Seattle to Lisbon flight tickets
Icelandair
Feb 23
SEA2:35 pmSeattle/Tacoma Intl
21h 45m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Mar 10
LIS9:20 pmLisbon Humberto Delgado
27h 40m
1 stop
SEA6:00 pmSeattle/Tacoma Intl
Icelandair
Mar 16
SEA3:35 pmSeattle/Tacoma Intl
21h 45m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Mar 24
LIS9:20 pmLisbon Humberto Delgado
27h 40m
1 stop
SEA6:00 pmSeattle/Tacoma Intl
Icelandair
Mar 2
SEA2:35 pmSeattle/Tacoma Intl
21h 45m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Mar 10
LIS9:20 pmLisbon Humberto Delgado
27h 40m
1 stop
SEA6:00 pmSeattle/Tacoma Intl

United Airlines flights from Seattle to Lisbon

Our best United Airlines deals on Seattle to Lisbon flight tickets
United Airlines
Mar 17
SEA8:10 amSeattle/Tacoma Intl
19h 05m
1 stop
LIS10:15 amLisbon Humberto Delgado
Mar 25
LIS6:10 amLisbon Humberto Delgado
15h 10m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
United Airlines
Mar 17
SEA8:10 amSeattle/Tacoma Intl
19h 05m
1 stop
LIS10:15 amLisbon Humberto Delgado
Mar 26
LIS5:00 amLisbon Humberto Delgado
15h 10m
1 stop
SEA1:10 pmSeattle/Tacoma Intl
United Airlines
Feb 2
SEA7:00 amSeattle/Tacoma Intl
17h 10m
2 stops
LIS8:10 amLisbon Humberto Delgado
Feb 14
LIS5:00 amLisbon Humberto Delgado
15h 10m
1 stop
SEA12:10 pmSeattle/Tacoma Intl

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 cheapest month to fly to Lisbon?

In general, February 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 $760. If you are unable to visit Lisbon during the month of February, then departing from Seattle during the month January is also very affordable. Most momondo users find prices during this month for around $766.

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

Our data shows that Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $908. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Lisbon for around $1,111.

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

The cheapest time of day to fly to Lisbon is in the afternoon when flights can be purchased for as low as $959. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,074 on average. Flights to Lisbon from Seattle at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Lisbon from Seattle when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $1,023 when searching 7 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 $922 on momondo.

How have Seattle to Lisbon flight prices changed over time?

As of January 2025, prices for Seattle to Lisbon flights are approximately 2% 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

$348

Fastest flight time

12h 45m

Direct flights

None

Airports in Lisbon

1 airport
The best one-way flight to Lisbon from Seattle in the past 72 hours is $348. The best round-trip flight deal from Seattle to Lisbon found on momondo in the last 72 hours is $545.
The fastest flight from Seattle to Lisbon takes 12h 45m
There are no direct flights from Seattle to Lisbon. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Lisbon Humberto Delgado Airport.
There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)

  • 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. 12h 45m 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 $543Free CancellationRating
7.0
502 reviews
Search Icelandair flights
British AirwaysPriceFrom $609Free CancellationRating
6.6
6,824 reviews
Search British Airways flights
American AirlinesPriceFrom $616Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
LufthansaPriceFrom $632Free CancellationRating
6.7
7,092 reviews
Search Lufthansa flights
Aer LingusPriceFrom $635Free CancellationRating
7.1
1,081 reviews
Search Aer Lingus flights
Scandinavian AirlinesPriceFrom $652Free CancellationRating
7.3
1,319 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $697Free CancellationRating
8.0
8,507 reviews
Search Delta flights
United AirlinesPriceFrom $697Free CancellationRating
7.4
8,963 reviews
Search United Airlines flights
Air FrancePriceFrom $700Free CancellationRating
7.4
1,488 reviews
Search Air France flights
Air CanadaPriceFrom $702Free CancellationRating
7.0
8,635 reviews
Search Air Canada flights

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Sintra
Nazaré
Almada
Ericeira
Oeiras
Evora
Setúbal
Óbidos
Estoril
Figueira da Foz
Peniche
Batalha
Caldas da Rainha
Torres Vedras
Leiria
Sesimbra
Tomar
Comporta
Palmela

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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