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$254+ Cheap flights from Seattle (SEA) to Spain

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
May 10 — May 171
Sun 5/10
Sun 5/17
1 adult, Economy
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Cheap flight deals from Seattle to Spain

Cheapest flights from Seattle to Spain
Explore the most affordable flight options available from Seattle to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.

This FlightHub deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:55 pm
SEA
-
ALC
1 stop34h 20m
Scandinavian Airlines
Thu 9/1010:35 am
ALC
-
SEA
2 stops36h 10m
Scandinavian Airlines
Deal found 4/9$570
This Gotogate deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:00 pm
SEA
-
AGP
1 stop34h 45m
Icelandair
Wed 5/133:45 pm
AGP
-
SEA
1 stop13h 55m
Icelandair
Deal found 4/6$579
This Booking.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:55 pm
SEA
-
ALC
1 stop33h 45m
Scandinavian Airlines
Mon 8/3111:55 am
ALC
-
SEA
2 stops34h 50m
Scandinavian Airlines
Deal found 4/7$594
This Mytrip deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 pm
SEA
-
AGP
1 stop34h 45m
Icelandair
Sat 5/23:45 pm
AGP
-
SEA
1 stop13h 55m
Icelandair
Deal found 4/10$597
This FlightHub deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:10 pm
SEA
-
VLC
1 stop29h 45m
Turkish Airlines
Wed 5/136:55 pm
VLC
-
SEA
1 stop31h 20m
Turkish Airlines
Deal found 4/6$599
This FlightHub deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:00 pm
SEA
-
VLC
1 stop37h 15m
Turkish Airlines
Tue 11/176:10 pm
VLC
-
SEA
1 stop31h 55m
Turkish Airlines
Deal found 4/5$624
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 pm
SEA
-
AGP
1 stop34h 45m
Icelandair
Wed 5/133:45 pm
AGP
-
SEA
1 stop13h 55m
Icelandair
Deal found 4/8$624
This Icelandair deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:40 pm
SEA
-
AGP
1 stop14h 05m
Icelandair
Wed 5/133:45 pm
AGP
-
SEA
1 stop13h 55m
Icelandair
Deal found 4/8$627
This FlightHub deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:10 pm
SEA
-
VLC
1 stop29h 30m
Turkish Airlines
Wed 5/66:55 pm
VLC
-
SEA
1 stop31h 20m
Turkish Airlines
Deal found 4/10$629
This FlightHub deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:10 pm
SEA
-
BCN
1 stop19h 05m
Turkish Airlines
Fri 9/117:05 pm
BCN
-
SEA
1 stop24h 35m
Turkish Airlines
Deal found 4/6$634
This FlightHub deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:10 pm
SEA
-
BCN
1 stop33h 20m
Turkish Airlines
Thu 9/247:40 am
BCN
-
SEA
1 stop18h 35m
Turkish Airlines
Deal found 4/5$636
This oojo deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:10 pm
SEA
-
BCN
1 stop19h 00m
Condor
Sat 8/298:00 am
BCN
-
SEA
1 stop17h 00m
Condor
Deal found 4/5$638

Find flight deals from Seattle to Spain

Keep the following information in mind while searching for Seattle to Spain flight deals. Data was last updated April 10, 2026.

Round-trip from

$570
(FlightHub)

One-way from

$254
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$752

Good round-trip deal

$1,032 or less

Good one-way deal

$698 or less
From Seattle/Tacoma Intl to Spain
Search Deals
One-way flight from Seattle/Tacoma Intl to Spain
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($210 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Spain.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Spain.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Spain 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, Cheapflights users made 2,558,603 searches. Data last updated April 10, 2026.
Use the filters below to find and compare flights from Seattle to Spain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Sun 9/6

3:55 pm-11:15 am

1 stop34h 20m

Alicante

Thu 9/10

10:35 am-1:45 pm

2 stops36h 10m

$598

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Tue 8/25

3:55 pm-10:40 am

1 stop33h 45m

Alicante

Mon 8/31

11:55 am-1:45 pm

2 stops34h 50m

$624

SeattleSeville

SEA - SVQ

SEASVQ

Seattle/Tacoma Intl

Fri 4/17

7:10 pm-5:35 pm

1 stop37h 25m

Sevilla

Sun 5/3

6:35 pm-5:15 pm

1 stop31h 40m

$654

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Sun 9/27

3:55 pm-11:15 am

1 stop34h 20m

Alicante

Thu 10/1

11:05 am-1:45 pm

2 stops35h 40m

$672

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Thu 4/16

7:10 pm-11:10 am

1 stop31h 00m

Bilbao

Tue 4/28

12:10 pm-5:15 pm

1 stop38h 05m

$706

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Mon 5/4

7:10 pm-4:55 pm

1 stop36h 45m

Malaga

Thu 5/14

5:55 pm-5:15 pm

1 stop32h 20m

$709

SeattleSeville

SEA - SVQ

SEASVQ

Seattle/Tacoma Intl

Tue 4/28

7:10 pm-5:35 pm

1 stop37h 25m

Sevilla

Tue 5/12

6:35 pm-5:15 pm

1 stop31h 40m

$713

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 4/28

7:10 pm-4:55 pm

1 stop36h 45m

Madrid Barajas

Tue 5/12

7:40 am-5:15 pm

1 stop18h 35m

$722

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 8/22

3:55 pm-12:00 pm

1 stop35h 05m

Madrid Barajas

Mon 8/31

12:50 pm-1:45 pm

1 stop33h 55m

$770

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Tue 8/25

3:33 pm-8:55 am

2 stops32h 22m

Alicante

Mon 8/31

12:35 pm-11:24 pm

2 stops43h 49m

$797

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Seattle to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Spain

What is the cheapest month to book a flight from Seattle to Spain?

Currently, January is the cheapest month in which you can book a flight from Seattle to Spain (average of $353). Flying from Seattle to Spain in June is currently the most expensive (average of $689). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How often are flights from Seattle to Spain delayed?

About 0% of weekly flights between Seattle and Spain have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for Seattle to Spain flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spain. Reviews last updated April 10, 2026.
Read reviews from past customers who have flown Delta,Air France, andIcelandair from Seattle to Spain. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,404 reviews

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,404 reviews
Delta
7.9
Good
8,404 reviews

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air France
7.4
Good
1,564 reviews
Delta
7.9
Good
8,404 reviews

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Icelandair
7.0
Good
632 reviews
Delta
7.9
Good
8,404 reviews

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,908 reviews
Delta
7.9
Good
8,404 reviews

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,871 reviews
Delta
7.9
Good
8,404 reviews

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Spain?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Spain.

  • How long is the flight from Seattle to Spain?

    Departing from Seattle to Spain will take you 20h 25m. The distance between Seattle and Spain is about 5540 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Seattle to Spain one-way?

    One-way options have recently been found by users for as low as $229 on British Airways. Other airlines that offer cheap prices include Aer Lingus from $267 and JetBlue from $269 one-way.

  • What are the most popular routes from Seattle to Spain?

    The most popular flight routes from Seattle to Spain are Seattle/Tacoma Intl - Barcelona-El Prat, Seattle/Tacoma Intl - Madrid Barajas and Seattle/Tacoma Intl - Ibiza.

  • Can I find deals for flights from Seattle to Spain that include hotel bookings?

    Yes. In addition to deals on Seattle to Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Spain?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Spain.

  • Can I find deals for business class flights from Seattle to Spain?

    Yes. Cheapflights offers flight deals from Seattle to Spain by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Spain?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Spain (average of $353). Flying from Seattle to Spain in June is currently the most expensive (average of $689). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Seattle to Spain

Discover the top 10 airlines that operate flights from Seattle to Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$123Average$1,152FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$367Average$557FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$438Average$809FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$439Average$701FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$440Average$564FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$471Average$804FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$476Average$805FlexibilityNo cancel feeOn-time69%
KLMCheapest$478Average$927FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$478Average$732FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$479Average$820FlexibilityNo cancel feeOn-time70%

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