What airlines fly to Seattle?

Delta, British Airways and Air France 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 57% 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 20m on average. On the other hand, flying from Málaga to Seattle takes 14h 20m 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 October 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.

$318 Cheap Flights from Spain to Seattle in 2025/26

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Find the cheapest flights from Spain to Seattle

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Recent round-trip flight deals from Spain to Seattle

Enter your travel dates to find the best prices.

7:05 am - 3:40 pmMAD-SEA

17h 35m1 stop

5:40 pm - 9:55 pmSEA-MAD

19h 15m1 stop

$559Multiple Airlines

Find Deal

Sat, Jan 24 - Mon, Feb 2

10:50 am - 6:20 pmBCN-SEA

16h 30m1 stop

8:05 pm - 8:35 pmSEA-BCN

15h 30m1 stop

$637Multiple Airlines

Find Deal

Mon, Nov 17 - Sun, Nov 30

11:30 am - 6:20 pmBCN-SEA

15h 50m1 stop

8:05 pm - 8:25 pmSEA-BCN

15h 20m1 stop

$638Aer Lingus

Find Deal

Mon, Nov 24 - Wed, Dec 10

12:00 pm - 4:55 pmMAD-SEA

13h 55m1 stop

6:50 pm - 8:50 pmSEA-MAD

17h 00m1 stop

$762British Airways

Find Deal

Mon, Jan 12 - Mon, Jan 19

9:05 am - 4:55 pmMAD-SEA

16h 50m1 stop

6:50 pm - 7:10 pmSEA-MAD

15h 20m1 stop

$763British Airways

Find Deal

Wed, Jan 21 - Tue, Feb 24

6:00 am - 11:50 amMAD-SEA

14h 50m1 stop

7:20 am - 11:30 amSEA-MAD

19h 10m2 stops

$765Delta

Find Deal

Wed, Jan 21 - Tue, Feb 24

6:00 am - 11:35 amVLC-SEA

14h 35m1 stop

6:00 am - 12:00 pmSEA-VLC

22h 00m2 stops

$777Delta

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:05 am - 11:25 amVLC-SEA

14h 20m1 stop

1:40 pm - 5:55 pmSEA-VLC

19h 15m1 stop

$819Air France

Find Deal

Sat, Nov 15 - Thu, Nov 20

6:00 am - 11:45 amVLC-SEA

14h 45m1 stop

3:05 pm - 9:45 amSEA-VLC

33h 40m1 stop

$854KLM

Find Deal

Thu, Nov 27 - Thu, Dec 4

6:00 am - 11:45 amVLC-SEA

14h 45m1 stop

3:00 pm - 4:10 pmSEA-VLC

16h 10m1 stop

$865KLM

Find Deal

Mon, Nov 10 - Mon, Nov 17

Lufthansa flights from Spain to Seattle

Our best Lufthansa deals on Spain to Seattle flight tickets

Lufthansa

Nov 15

MAD6:00 amMadrid Barajas

36h 31m

2 stops

SEA9:31 amSeattle/Tacoma Intl

Dec 1

SEA2:00 pmSeattle/Tacoma Intl

16h 50m

1 stop

MAD3:50 pmMadrid Barajas

$764

Find similar

Lufthansa

Jan 10

BCN5:50 amBarcelona-El Prat

15h 20m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

Jan 15

SEA2:00 pmSeattle/Tacoma Intl

14h 05m

1 stop

BCN1:05 pmBarcelona-El Prat

$765

Find similar

Lufthansa

Nov 25

MAD7:25 amMadrid Barajas

35h 06m

2 stops

SEA9:31 amSeattle/Tacoma Intl

Dec 8

SEA2:00 pmSeattle/Tacoma Intl

14h 15m

1 stop

MAD1:15 pmMadrid Barajas

$770

Find similar

Delta flights from Spain to Seattle

Our best Delta deals on Spain to Seattle flight tickets

Delta

Jan 21

MAD6:00 amMadrid Barajas

14h 50m

1 stop

SEA11:50 amSeattle/Tacoma Intl

Feb 24

SEA7:20 amSeattle/Tacoma Intl

19h 10m

2 stops

MAD11:30 amMadrid Barajas

$765

Find similar

Delta

Mar 5

VLC6:00 amValencia

14h 35m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Mar 9

SEA6:00 amSeattle/Tacoma Intl

22h 00m

2 stops

VLC12:00 pmValencia

$777

Find similar

Delta

Mar 5

VLC6:00 amValencia

14h 35m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Mar 9

SEA6:00 amSeattle/Tacoma Intl

22h 00m

2 stops

VLC12:00 pmValencia

$778

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 1/24

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Mon 2/2

5:40 pm-9:55 pm

1 stop19h 15m

$559

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Mon 11/17

10:50 am-6:20 pm

1 stop16h 30m

Seattle/Tacoma Intl

Sun 11/30

8:05 pm-8:35 pm

1 stop15h 30m

$637

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Mon 11/24

11:30 am-6:20 pm

1 stop15h 50m

Seattle/Tacoma Intl

Wed 12/10

8:05 pm-8:25 pm

1 stop15h 20m

$638

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 1/12

12:00 pm-4:55 pm

1 stop13h 55m

Seattle/Tacoma Intl

Mon 1/19

6:50 pm-8:50 pm

1 stop17h 00m

$762

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 1/21

9:05 am-4:55 pm

1 stop16h 50m

Seattle/Tacoma Intl

Tue 2/24

6:50 pm-7:10 pm

1 stop15h 20m

$763

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 1/21

6:00 am-11:50 am

1 stop14h 50m

Seattle/Tacoma Intl

Tue 2/24

7:20 am-11:30 am

2 stops19h 10m

$765

ValenciaSeattle

VLC - SEA

VLCSEA

Valencia

Thu 3/5

6:00 am-11:35 am

1 stop14h 35m

Seattle/Tacoma Intl

Mon 3/9

6:00 am-12:00 pm

2 stops22h 00m

$777

ValenciaSeattle

VLC - SEA

VLCSEA

Valencia

Sat 11/15

6:05 am-11:25 am

1 stop14h 20m

Seattle/Tacoma Intl

Thu 11/20

1:40 pm-5:55 pm

1 stop19h 15m

$819

ValenciaSeattle

VLC - SEA

VLCSEA

Valencia

Thu 11/27

6:00 am-11:45 am

1 stop14h 45m

Seattle/Tacoma Intl

Thu 12/4

3:05 pm-9:45 am

1 stop33h 40m

$854

ValenciaSeattle

VLC - SEA

VLCSEA

Valencia

Mon 11/10

6:00 am-11:45 am

1 stop14h 45m

Seattle/Tacoma Intl

Mon 11/17

3:00 pm-4:10 pm

1 stop16h 10m

$865

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 $729.

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 $873 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 $808 on momondo.

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

There is only 1 cabin class 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.

Cheap Spain to Seattle flight deals and tips

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

Direct flights	None

There are no direct flights from Spain to Seattle. There are no popular flight routes from Spain to Seattle.

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 October 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.
What is the most popular plane model from Spain to Seattle?
Based on momondo bookings for flights between Spain and Seattle, the leading plane model is Airbus A330-900neo, making up 100.00% of the total bookings.

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 7.4 1,482 reviews	Search Air France flights
KLM	PriceFrom $677	Free Cancellation	Rating 7.7 1,406 reviews	Search KLM flights
Delta	PriceFrom $686	Free Cancellation	Rating 7.9 7,993 reviews	Search Delta flights
Lufthansa	PriceFrom $712	Free Cancellation	Rating 6.8 7,541 reviews	Search Lufthansa flights
British Airways	PriceFrom $768	Free Cancellation	Rating 6.7 7,487 reviews	Search British Airways flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Federal Way

Lakewood

Cle Elum

Fife

Centralia

Kirkland

Shoreline

Westport

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.