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Cheap flights from Spain to Seattle from $345

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 5/16. 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
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m1 stop
$576Multiple Airlines
Mon, Apr 20 - Sun, Apr 26
Multiple Airlines Logo
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m1 stop
$630Multiple Airlines
Mon, Apr 20 - Fri, Apr 24
Multiple Airlines Logo
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m1 stop
$634Multiple Airlines
Sat, Jan 17 - Mon, Feb 2
Air France Logo
6:05 am - 11:25 am
AGP
-
SEA
14h 20m1 stop
Air France Logo
2:10 pm - 11:40 pm
SEA
-
AGP
24h 30m1 stop
$769Air France
Thu, Jan 15 - Mon, Jan 19
Delta Logo
6:05 am - 8:00 pm
AGP
-
SEA
22h 55m2 stops
Delta Logo
9:55 pm - 12:20 pm
SEA
-
AGP
29h 25m2 stops
$774Delta
Thu, Jan 15 - Mon, Jan 19
Air France Logo
6:00 am - 11:40 am
VLC
-
SEA
14h 40m1 stop
Air France Logo
3:10 pm - 5:55 pm
SEA
-
VLC
18h 45m1 stop
$779Air France
Mon, Feb 23 - Sun, Mar 8
Delta Logo
6:00 am - 11:50 am
VLC
-
SEA
14h 50m1 stop
Delta Logo
7:10 am - 12:00 pm
SEA
-
VLC
19h 50m2 stops
$780Delta
Sat, Jan 17 - Tue, Jan 27
Lufthansa Logo
6:10 am - 7:16 pm
VLC
-
SEA
22h 06m2 stops
Lufthansa Logo
3:10 pm - 5:35 pm
SEA
-
VLC
17h 25m1 stop
$784Lufthansa
Fri, Jan 30 - Fri, Feb 6
British Airways Logo
5:30 pm - 5:45 pm
AGP
-
SEA
33h 15m2 stops
British Airways Logo
6:50 pm - 5:50 pm
SEA
-
AGP
14h 00m1 stop
$803British Airways
Sat, Jan 31 - Sat, Feb 7
British Airways Logo
6:55 pm - 11:35 am
PMI
-
SEA
25h 40m1 stop
British Airways Logo
8:20 pm - 2:25 pm
SEA
-
PMI
33h 05m1 stop
$863British Airways
Wed, Apr 15 - Sun, Apr 19

Icelandair flights from Spain to Seattle

Our best Icelandair deals on Spain to Seattle flight tickets
Icelandair
Jan 16
BCN11:50 amBarcelona-El Prat
14h 10m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 30
SEA2:35 pmSeattle/Tacoma Intl
14h 00m
1 stop
BCN1:35 pmBarcelona-El Prat
$717
Find similar
Icelandair
Jan 16
BCN11:50 amBarcelona-El Prat
14h 10m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 30
SEA2:35 pmSeattle/Tacoma Intl
14h 00m
1 stop
BCN1:35 pmBarcelona-El Prat
$719
Find similar
Icelandair
Jan 16
BCN11:50 amBarcelona-El Prat
14h 10m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 30
SEA2:35 pmSeattle/Tacoma Intl
14h 00m
1 stop
BCN1:35 pmBarcelona-El Prat
$722
Find similar

Air France flights from Spain to Seattle

Our best Air France deals on Spain to Seattle flight tickets
Air France
Jan 15
AGP6:05 amMalaga
14h 20m
1 stop
SEA11:25 amSeattle/Tacoma Intl
Jan 19
SEA2:10 pmSeattle/Tacoma Intl
24h 30m
1 stop
AGP11:40 pmMalaga
$769
Find similar
Air France
Feb 23
VLC6:00 amValencia
14h 40m
1 stop
SEA11:40 amSeattle/Tacoma Intl
Mar 8
SEA3:10 pmSeattle/Tacoma Intl
18h 45m
1 stop
VLC5:55 pmValencia
$779
Find similar
Air France
Jan 16
SVQ4:20 pmSevilla
28h 05m
1 stop
SEA11:25 amSeattle/Tacoma Intl
Jan 22
SEA1:40 pmSeattle/Tacoma Intl
16h 45m
1 stop
SVQ3:25 pmSevilla
$798
Find similar

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 December 18, 2025.
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

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 4/20

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Sun 4/26

5:40 pm-9:55 pm

1 stop19h 15m

$576

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 4/20

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Fri 4/24

5:40 pm-9:55 pm

1 stop19h 15m

$630

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 1/17

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Mon 2/2

5:40 pm-9:55 pm

1 stop19h 15m

$634

MálagaSeattle

AGP - SEA

AGPSEA

Malaga

Thu 1/15

6:05 am-11:25 am

1 stop14h 20m

Seattle/Tacoma Intl

Mon 1/19

2:10 pm-11:40 pm

1 stop24h 30m

$769

MálagaSeattle

AGP - SEA

AGPSEA

Malaga

Thu 1/15

6:05 am-8:00 pm

2 stops22h 55m

Seattle/Tacoma Intl

Mon 1/19

9:55 pm-12:20 pm

2 stops29h 25m

$774

ValenciaSeattle

VLC - SEA

VLCSEA

Valencia

Mon 2/23

6:00 am-11:40 am

1 stop14h 40m

Seattle/Tacoma Intl

Sun 3/8

3:10 pm-5:55 pm

1 stop18h 45m

$779

ValenciaSeattle

VLC - SEA

VLCSEA

Valencia

Sat 1/17

6:00 am-11:50 am

1 stop14h 50m

Seattle/Tacoma Intl

Tue 1/27

7:10 am-12:00 pm

2 stops19h 50m

$780

ValenciaSeattle

VLC - SEA

VLCSEA

Valencia

Fri 1/30

6:10 am-7:16 pm

2 stops22h 06m

Seattle/Tacoma Intl

Fri 2/6

3:10 pm-5:35 pm

1 stop17h 25m

$784

MálagaSeattle

AGP - SEA

AGPSEA

Malaga

Sat 1/31

5:30 pm-5:45 pm

2 stops33h 15m

Seattle/Tacoma Intl

Sat 2/7

6:50 pm-5:50 pm

1 stop14h 00m

$803

Palma de MallorcaSeattle

PMI - SEA

PMISEA

Palma de Mallorca Son Sant Joan

Wed 4/15

6:55 pm-11:35 am

1 stop25h 40m

Seattle/Tacoma Intl

Sun 4/19

8:20 pm-2:25 pm

1 stop33h 05m

$863

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, 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 $853 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 $776 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 24% 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

13h 45m

Direct flights

Mon, Thu and Sat

Airports in Seattle

1 airport
The fastest flight from Spain to Seattle takes 13h 45m
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
Air FrancePriceFrom $604Free CancellationRating
7.4
1,507 reviews
Search Air France flights
LufthansaPriceFrom $614Free CancellationRating
6.8
7,635 reviews
Search Lufthansa flights
KLMPriceFrom $677Free CancellationRating
7.7
1,428 reviews
Search KLM flights
DeltaPriceFrom $706Free CancellationRating
7.9
8,005 reviews
Search Delta flights
British AirwaysPriceFrom $768Free CancellationRating
6.7
7,585 reviews
Search British Airways 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
Marysville
Puyallup
Redmond
Tukwila
Cle Elum
Federal Way
Lakewood
Fife
Centralia
Westport
Kirkland
Shoreline

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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