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Cheap flights from Spain to Seattle from $324

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Spain to Seattle departing on 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Spain to Seattle

Recent round-trip flight deals from Spain to Seattle

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:00 pm - 9:40 am
BCN
-
SEA
27h 40m
1 stop
Multiple Airlines Logo
10:35 pm - 1:15 am
SEA
-
BCN
41h 40m
2 stops
$575Multiple Airlines
Sun, May 3 - Fri, May 8
Condor Logo
10:25 am - 3:40 pm
BCN
-
SEA
14h 15m
1 stop
Condor Logo
6:05 pm - 10:10 pm
SEA
-
BCN
19h 05m
1 stop
$588Condor
Tue, Sep 8 - Thu, Sep 17
Lufthansa Logo
6:05 am - 12:20 pm
VLC
-
SEA
15h 15m
1 stop
Lufthansa Logo
2:10 pm - 10:55 pm
SEA
-
VLC
23h 45m
1 stop
$831Lufthansa
Fri, Apr 3 - Tue, Apr 7
Lufthansa Logo
6:05 am - 12:20 pm
VLC
-
SEA
15h 15m
1 stop
Lufthansa Logo
10:20 am - 10:55 pm
SEA
-
VLC
27h 35m
2 stops
$832Lufthansa
Fri, Apr 3 - Tue, Apr 7
KLM Logo
12:00 pm - 11:42 am
BIO
-
SEA
32h 42m
1 stop
KLM Logo
1:40 pm - 11:30 am
SEA
-
BIO
12h 50m
1 stop
$835KLM
Thu, May 28 - Tue, Jan 12
Delta Logo
6:45 am - 4:01 pm
BIO
-
SEA
18h 16m
2 stops
Delta Logo
11:50 am - 5:20 pm
SEA
-
BIO
20h 30m
2 stops
$841Delta
Thu, May 28 - Tue, Jan 12
Air France Logo
6:30 am - 5:30 pm
SVQ
-
SEA
20h 00m
1 stop
Air France Logo
6:50 pm - 11:25 pm
SEA
-
SVQ
19h 35m
1 stop
$864Air France
Mon, Jun 1 - Sun, Jun 14
Air France Logo
6:30 am - 11:15 am
SVQ
-
SEA
13h 45m
1 stop
Air France Logo
6:50 pm - 11:25 pm
SEA
-
SVQ
19h 35m
1 stop
$865Air France
Mon, Jun 1 - Sun, Jun 14
Delta Logo
6:30 am - 5:38 pm
SVQ
-
SEA
20h 08m
1 stop
Delta Logo
9:50 am - 4:30 pm
SEA
-
SVQ
21h 40m
2 stops
$893Delta
Thu, Apr 16 - Tue, Apr 21
KLM Logo
7:15 am - 10:31 pm
TFN
-
SEA
23h 16m
2 stops
KLM Logo
7:15 am - 1:40 pm
SEA
-
TFN
22h 25m
2 stops
$1,011KLM
Mon, Apr 27 - Thu, May 7

United Airlines flights from Spain to Seattle

Our best United Airlines deals on Spain to Seattle flight tickets
United Airlines
May 23
BCN10:20 amBarcelona-El Prat
32h 20m
2 stops
SEA9:40 amSeattle/Tacoma Intl
May 24
SEA6:50 pmSeattle/Tacoma Intl
18h 35m
1 stop
BCN10:25 pmBarcelona-El Prat
$624
United Airlines
Apr 15
VLC12:55 pmValencia
32h 25m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
Apr 19
SEA2:10 pmSeattle/Tacoma Intl
18h 25m
1 stop
VLC5:35 pmValencia
$884
United Airlines
Apr 23
BIO6:50 amBilbao
14h 30m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
Apr 26
SEA6:50 pmSeattle/Tacoma Intl
14h 05m
1 stop
BIO5:55 pmBilbao
$885

Icelandair flights from Spain to Seattle

Our best Icelandair deals on Spain to Seattle flight tickets
Icelandair
Apr 25
AGP3:45 pmMalaga
13h 55m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
May 4
SEA7:00 pmSeattle/Tacoma Intl
34h 45m
1 stop
AGP2:45 pmMalaga
$700
Icelandair
Apr 25
AGP3:45 pmMalaga
13h 55m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
Apr 30
SEA7:00 pmSeattle/Tacoma Intl
34h 45m
1 stop
AGP2:45 pmMalaga
$712
Icelandair
Apr 25
AGP3:45 pmMalaga
13h 55m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
Apr 30
SEA7:00 pmSeattle/Tacoma Intl
34h 45m
1 stop
AGP2:45 pmMalaga
$716

momondo Fare Finder

 
Customize your flight search to find flights from Spain 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 March 23, 2026.
Use the filters below to find and compare flights from Spain to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Sun 5/3

3:00 pm-9:40 am

1 stop27h 40m

Seattle/Tacoma Intl

Fri 5/8

10:35 pm-1:15 am

2 stops41h 40m

$575
Quickest round-trip

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Tue 9/8

10:25 am-3:40 pm

1 stop14h 15m

Seattle/Tacoma Intl

Thu 9/17

6:05 pm-10:10 pm

1 stop19h 05m

$588

ValenciaSeattle

VLC - SEA

VLCSEA

Valencia

Fri 4/3

6:05 am-12:20 pm

1 stop15h 15m

Seattle/Tacoma Intl

Tue 4/7

2:10 pm-10:55 pm

1 stop23h 45m

$831

ValenciaSeattle

VLC - SEA

VLCSEA

Valencia

Fri 4/3

6:05 am-12:20 pm

1 stop15h 15m

Seattle/Tacoma Intl

Tue 4/7

10:20 am-10:55 pm

2 stops27h 35m

$832

BilbaoSeattle

BIO - SEA

BIOSEA

Bilbao

Thu 5/28

12:00 pm-11:42 am

1 stop32h 42m

Seattle/Tacoma Intl

Tue 1/12

1:40 pm-11:30 am

1 stop12h 50m

$835

BilbaoSeattle

BIO - SEA

BIOSEA

Bilbao

Thu 5/28

6:45 am-4:01 pm

2 stops18h 16m

Seattle/Tacoma Intl

Tue 1/12

11:50 am-5:20 pm

2 stops20h 30m

$841

SevilleSeattle

SVQ - SEA

SVQSEA

Sevilla

Mon 6/1

6:30 am-5:30 pm

1 stop20h 00m

Seattle/Tacoma Intl

Sun 6/14

6:50 pm-11:25 pm

1 stop19h 35m

$864

SevilleSeattle

SVQ - SEA

SVQSEA

Sevilla

Mon 6/1

6:30 am-11:15 am

1 stop13h 45m

Seattle/Tacoma Intl

Sun 6/14

6:50 pm-11:25 pm

1 stop19h 35m

$865

SevilleSeattle

SVQ - SEA

SVQSEA

Sevilla

Thu 4/16

6:30 am-5:38 pm

1 stop20h 08m

Seattle/Tacoma Intl

Tue 4/21

9:50 am-4:30 pm

2 stops21h 40m

$893

Santa Cruz de TenerifeSeattle

TFN - SEA

TFNSEA

Santa Cruz de Tenerife Tenerife-Norte

Mon 4/27

7:15 am-10:31 pm

2 stops23h 16m

Seattle/Tacoma Intl

Thu 5/7

7:15 am-1:40 pm

2 stops22h 25m

$1,011

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 Seattle from

How to get the cheapest flight ticket from Spain 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, April is the cheapest month to fly from Spain to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $800. If you don’t want to visit Seattle in April, then you should wait until January to fly from Spain, when ticket prices are also cheap, with an average price of $803.

What is the cheapest Spain to Seattle/Tacoma Intl flight route?

Fly from Barcelona-El Prat to Seattle/Tacoma Intl for the best Spain - Seattle/Tacoma Intl flight prices

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

You are more likely to see cheaper flights to Seattle from Spain when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $880 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Spain for as low as $732 on momondo.

What cabin class options are available on Spain to Seattle/Tacoma Intl flights?

There are 2 cabin classes available to choose from on Spain to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Spain to Seattle flights?

You could potentially save up to 13% on your flight if you consider stops on a Spain to Seattle flight.

Cheap Spain to Seattle flight deals and tips

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

Fastest flight time

11h 10m

Direct flights

Mon, Thu and Sat

Airports in Seattle

1 airport
The fastest flight from Spain to Seattle takes 11h 10m
Direct flights go from Spain to Seattle on Monday, Thursday and Saturday. There are no airlines offering direct flights.
There is 1 airport in Seattle. From Spain there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

  • When did momondo last update prices for flights from Spain to Seattle/Tacoma Intl Airport?

    Prices for flights from Spain to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Spain to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Spain to Seattle/Tacoma Intl 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 Spain to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Spain to Seattle?

Best airlines flying from Spain to Seattle

Compare and see reviews for airlines that fly from Spain to Seattle with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $614Free CancellationRating
6.8
7,860 reviews
Search Lufthansa flights
DeltaPriceFrom $693Free CancellationRating
7.9
8,318 reviews
Search Delta flights
British AirwaysPriceFrom $765Free CancellationRating
6.7
7,813 reviews
Search British Airways flights
KLMPriceFrom $771Free CancellationRating
7.8
1,477 reviews
Search KLM flights
Air FrancePriceFrom $1,022Free CancellationRating
7.4
1,547 reviews
Search Air France flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Redmond
Marysville
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Fife
Westport
Centralia
Kirkland
Tumwater

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Spain to Seattle. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Spain to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Spain to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Spain to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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