What airlines fly to Seattle?

Delta, Iberia and British Airways are the top three most popular airlines that fly to Seattle from Spain according to our data. Delta is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Seattle?

Flight times vary depending on what airport in Spain you fly out of and what airport in Seattle you fly into. For example, flying from Barcelona to Seattle takes 14h 15m on average. On the other hand, flying from Palma de Mallorca to Seattle takes 14h 15m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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?

As of August 2025, there are 5 operators available to choose from 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.

$358 Cheap Flights from Spain to Seattle in 2025

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Find the cheapest flights from Spain to Seattle

Round-trip

One-way

Last minute

Recent round-trip flight deals from Spain to Seattle

7:05 am - 3:05 pmMAD-SEA

17h 00m1 stop

5:05 pm - 9:55 pmSEA-MAD

19h 50m1 stop

$410

Find Deal

Fri, Sep 5 - Sun, Sep 21

7:05 am - 3:05 pmMAD-SEA

17h 00m1 stop

5:05 pm - 9:55 pmSEA-MAD

19h 50m1 stop

$412

Find Deal

Fri, Sep 5 - Sun, Sep 21

7:05 am - 3:05 pmMAD-SEA

17h 00m1 stop

5:05 pm - 9:55 pmSEA-MAD

19h 50m1 stop

$420

Find Deal

Fri, Sep 5 - Sun, Sep 21

12:30 pm - 10:15 pmBCN-SEA

18h 45m1 stop

11:42 am - 1:40 pmSEA-BCN

16h 58m2 stops

$772British Airways

Find Deal

Thu, Nov 13 - Mon, Nov 17

1:45 pm - 10:26 pmMAD-SEA

17h 41m1 stop

2:35 pm - 11:55 amSEA-MAD

13h 20m1 stop

$774British Airways

Find Deal

Sun, Aug 31 - Fri, Oct 31

12:20 pm - 9:38 pmBCN-SEA

18h 18m1 stop

5:26 am - 10:10 amSEA-BCN

19h 44m1 stop

$784Iberia

Find Deal

Thu, Aug 28 - Wed, Sep 10

6:20 am - 4:05 pmVLC-SEA

18h 45m1 stop

6:45 pm - 4:50 pmSEA-VLC

13h 05m1 stop

$799Delta

Find Deal

Fri, Sep 12 - Sat, Sep 20

4:10 pm - 11:50 amAGP-SEA

28h 40m1 stop

1:55 pm - 4:55 pmSEA-AGP

18h 00m1 stop

$805Delta

Find Deal

Wed, Nov 12 - Mon, Nov 24

6:20 am - 4:44 pmVLC-SEA

19h 24m2 stops

5:40 pm - 4:35 pmSEA-VLC

13h 55m1 stop

$879Air France

Find Deal

Fri, Aug 29 - Fri, Sep 5

6:55 pm - 4:55 pmAGP-SEA

31h 00m1 stop

12:59 am - 8:30 amSEA-AGP

22h 31m2 stops

$897Iberia

Find Deal

Wed, Nov 12 - Sat, Nov 22

Lufthansa flights from Spain to Seattle

Our best Lufthansa deals on Spain to Seattle flight tickets

Lufthansa

Sep 11

BCN6:50 amBarcelona-El Prat

14h 05m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 21

SEA6:50 pmSeattle/Tacoma Intl

14h 05m

1 stop

BCN5:55 pmBarcelona-El Prat

$755

Find similar

Lufthansa

Sep 11

BCN6:50 amBarcelona-El Prat

14h 05m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 21

SEA2:20 pmSeattle/Tacoma Intl

13h 45m

1 stop

BCN1:05 pmBarcelona-El Prat

$763

Find similar

Lufthansa

Aug 29

VLC6:00 amValencia

14h 55m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 5

SEA10:00 amSeattle/Tacoma Intl

28h 25m

2 stops

VLC11:25 pmValencia

$881

Find similar

Air Canada flights from Spain to Seattle

Our best Air Canada deals on Spain to Seattle flight tickets

Air Canada

Nov 13

BCN6:50 amBarcelona-El Prat

21h 26m

2 stops

SEA7:16 pmSeattle/Tacoma Intl

Nov 27

SEA5:50 amSeattle/Tacoma Intl

18h 45m

2 stops

BCN9:35 amBarcelona-El Prat

$793

Find similar

Air Canada

Aug 29

SVQ12:25 pmSevilla

41h 20m

2 stops

SEA8:45 pmSeattle/Tacoma Intl

Sep 4

SEA7:15 amSeattle/Tacoma Intl

19h 20m

2 stops

SVQ11:35 amSevilla

$820

Find similar

Air Canada

Aug 14

MAD12:30 pmMadrid Barajas

18h 46m

2 stops

SEA10:16 pmSeattle/Tacoma Intl

Aug 30

SEA10:00 amSeattle/Tacoma Intl

17h 15m

2 stops

MAD12:15 pmMadrid Barajas

$1,068

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 9/5

7:05 am-3:05 pm

1 stop17h 00m

Seattle/Tacoma Intl

Sun 9/21

5:05 pm-9:55 pm

1 stop19h 50m

$410

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 9/5

7:05 am-3:05 pm

1 stop17h 00m

Seattle/Tacoma Intl

Sun 9/21

5:05 pm-9:55 pm

1 stop19h 50m

$412

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 9/5

7:05 am-3:05 pm

1 stop17h 00m

Seattle/Tacoma Intl

Sun 9/21

5:05 pm-9:55 pm

1 stop19h 50m

$420

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Thu 11/13

12:30 pm-10:15 pm

1 stop18h 45m

Seattle/Tacoma Intl

Mon 11/17

11:42 am-1:40 pm

2 stops16h 58m

$772

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sun 8/31

1:45 pm-10:26 pm

1 stop17h 41m

Seattle/Tacoma Intl

Fri 10/31

2:35 pm-11:55 am

1 stop13h 20m

$774

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Thu 8/28

12:20 pm-9:38 pm

1 stop18h 18m

Seattle/Tacoma Intl

Wed 9/10

5:26 am-10:10 am

1 stop19h 44m

$784

ValenciaSeattle

VLC - SEA

VLCSEA

Valencia

Fri 9/12

6:20 am-4:05 pm

1 stop18h 45m

Seattle/Tacoma Intl

Sat 9/20

6:45 pm-4:50 pm

1 stop13h 05m

$799

MálagaSeattle

AGP - SEA

AGPSEA

Malaga

Wed 11/12

4:10 pm-11:50 am

1 stop28h 40m

Seattle/Tacoma Intl

Mon 11/24

1:55 pm-4:55 pm

1 stop18h 00m

$805

ValenciaSeattle

VLC - SEA

VLCSEA

Valencia

Fri 8/29

6:20 am-4:44 pm

2 stops19h 24m

Seattle/Tacoma Intl

Fri 9/5

5:40 pm-4:35 pm

1 stop13h 55m

$879

MálagaSeattle

AGP - SEA

AGPSEA

Malaga

Wed 11/12

6:55 pm-4:55 pm

1 stop31h 00m

Seattle/Tacoma Intl

Sat 11/22

12:59 am-8:30 am

2 stops22h 31m

$897

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 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

Prices

Airlines

Other information

What is the cheapest month to fly to Seattle?

In general, March 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 $708. If you don’t want to visit Seattle in March, then you should wait until May to fly from Spain, when ticket prices are also cheap, with an average price of $746.

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

On average, the least expensive day to fly to Seattle from Spain is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $784. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Spain because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,377.

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

Flying to Seattle from Spain in the morning is the least expensive time of day to depart. momondo users have found prices as low as $877 when looking at flights departing in the morning. Flights to Seattle are more costly at noon, with an average ticket price of $1,226. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $874 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 $761 on momondo.

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

There are 1 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 15% 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

Best Price Found	$358
Fastest flight time	14h 00m
Direct flights	None
Airports in Seattle	1 airport

The best one-way flight to Seattle from Spain in the past 72 hours is $358. The best round-trip flight deal from Spain to Seattle found on momondo in the last 72 hours is $410.

The fastest flight from Spain to Seattle takes 14h 00m

There are no direct flights from Spain to Seattle. Popular non-direct routes for this connection are Barcelona-El Prat Airport - Seattle/Tacoma Intl Airport, Malaga Airport - Seattle/Tacoma Intl Airport and Madrid Barajas Airport - Seattle/Tacoma Intl Airport.

There is 1 airport near Seattle: 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?
As of August 2025, there are 5 operators available to choose from 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.

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
Air France	PriceFrom $604	Free Cancellation	Rating 7.5 1,465 reviews	Search Air France flights
KLM	PriceFrom $677	Free Cancellation	Rating 7.8 1,384 reviews	Search KLM flights
Delta	PriceFrom $686	Free Cancellation	Rating 8.0 7,983 reviews	Search Delta flights
British Airways	PriceFrom $771	Free Cancellation	Rating 6.6 7,224 reviews	Search British Airways flights
Iberia	PriceFrom $802	Free Cancellation	Rating 7.0 2,862 reviews	Search Iberia flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Olympia

Renton

Kent

Federal Way

Puyallup

Lynnwood

Marysville

Tukwila

Kirkland

Lakewood

Fife

Centralia

Cle Elum

Shoreline

Westport

Redmond

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.