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$222+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
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Find 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 November 17, 2025.

This FlightHub deal was found by Cheapflights users on 11/17. 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.
Mon 12/88:00 pmSEA - MAD
2 stops27h 00mMultiple Airlines
Mon 12/155:00 pmMAD - SEA
1 stop28h 10mMultiple Airlines
Deal found 11/17$492
This United Airlines deal was found by Cheapflights users on 11/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:59 pmSEA - MAD
2 stops23h 01mUnited Airlines
Thu 1/1511:15 amMAD - SEA
3 stops37h 46mUnited Airlines
Deal found 11/15$493
This Kiwi.com deal was found by Cheapflights users on 11/15. 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.
Sun 11/163:37 pmSEA - MAD
2 stops18h 08mMultiple Airlines
Sun 11/237:25 amMAD - SEA
1 stop14h 55mMultiple Airlines
Deal found 11/15$494
This Mytrip deal was found by Cheapflights users on 11/16. 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 11/1710:05 amSEA - MAD
2 stops15h 55mMultiple Airlines
Mon 11/247:25 amMAD - SEA
2 stops37h 45mMultiple Airlines
Deal found 11/16$497
This KLM deal was found by Cheapflights users on 11/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:20 amSEA - MAD
1 stop15h 40mKLM
Sun 12/78:30 pmMAD - SEA
1 stop24h 20mKLM
Deal found 11/17$503
This CheapOair deal was found by Cheapflights users on 11/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/235:50 amSEA - MAD
2 stops25h 10mMultiple Airlines
Tue 12/26:35 pmMAD - SEA
1 stop27h 45mMultiple Airlines
Deal found 11/17$504
This FlightHub deal was found by Cheapflights users on 11/15. 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.
Mon 12/83:40 pmSEA - MAD
2 stops31h 20mLufthansa
Mon 12/155:00 pmMAD - SEA
1 stop28h 10mLufthansa
Deal found 11/15$505
This Trip.com deal was found by Cheapflights users on 11/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amSEA - MAD
1 stop17h 50mIberia
Wed 12/1012:00 pmMAD - SEA
1 stop20h 25mIberia
Deal found 11/17$506
This Delta deal was found by Cheapflights users on 11/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:20 amSEA - MAD
1 stop15h 40mDelta
Sun 12/76:00 amMAD - SEA
2 stops23h 50mDelta
Deal found 11/17$512
This KAYAK deal was found by Cheapflights users on 11/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:40 amSEA - AGP
2 stops23h 05mScandinavian Airlines
Thu 12/116:30 pmAGP - SEA
2 stops36h 53mScandinavian Airlines
Deal found 11/15$512
This Delta deal was found by Cheapflights users on 11/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:20 amSEA - MAD
1 stop15h 40mDelta
Sat 12/611:00 amMAD - SEA
2 stops20h 25mDelta
Deal found 11/15$513
This United Airlines deal was found by Cheapflights users on 11/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:00 amSEA - MAD
2 stops24h 40mUnited Airlines
Sun 12/75:55 amMAD - SEA
2 stops25h 35mUnited Airlines
Deal found 11/17$515

Cheap flight deals from Seattle to Spain

Keep the following information in mind while searching for Seattle to Spain flight deals. Data was last updated November 17, 2025.

Round-trip from

$428
(Kiwi.com)

One-way from

$222
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$748

Good round-trip deal

$1,625 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. 24% potential increase in price ($273 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip 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 November 17, 2025.
Use the filters below to find and compare flights from Seattle to Spain that are best for you.

Fly from

Seattle

Fly to

Spain

Route

Depart

Return

Price

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Fri 1/16

2:10 pm-5:55 pm

1 stop18h 45m

Valencia

Thu 1/22

9:55 am-11:50 am

1 stop34h 55m

$470

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Tue 1/13

1:40 pm-12:00 pm

1 stop13h 20m

Valencia

Tue 2/24

6:00 am-11:40 am

1 stop14h 40m

$470

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Thu 1/22

1:40 pm-12:20 pm

1 stop13h 40m

Malaga

Sat 1/31

8:25 pm-11:40 am

1 stop24h 15m

$472

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Tue 1/13

1:40 pm-12:20 pm

1 stop13h 40m

Malaga

Fri 1/30

10:40 am-11:50 am

1 stop34h 10m

$472

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Fri 1/23

2:10 pm-4:55 pm

1 stop17h 45m

Malaga

Sun 2/8

8:20 pm-11:40 am

1 stop24h 20m

$472

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Thu 1/8

6:50 pm-8:15 pm

1 stop16h 25m

Valencia

Fri 2/27

9:05 pm-4:55 pm

1 stop28h 50m

$473

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Mon 1/12

6:50 pm-11:20 am

1 stop31h 30m

Valencia

Tue 1/20

5:10 pm-4:55 pm

1 stop32h 45m

$473

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Tue 1/13

6:50 pm-11:15 am

1 stop31h 25m

Valencia

Thu 2/26

12:00 pm-11:30 am

1 stop32h 30m

$473

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Mon 1/12

6:50 pm-11:20 am

1 stop31h 30m

Valencia

Mon 2/23

4:55 pm-11:30 am

1 stop27h 35m

$473

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Fri 1/16

1:35 pm-5:20 pm

1 stop18h 45m

Valencia

Mon 2/23

4:55 pm-11:30 am

1 stop27h 35m

$473

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Showing 1-10 of 60 results
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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, October is the cheapest month in which you can book a flight from Seattle to Spain (average of $391). Flying from Seattle to Spain in June is currently the most expensive (average of $840). 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.

What is the cheapest time of day to fly from SEA to ES?

Find hourly flight availability from Seattle to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 17, 2025.

It’s optimal to fly from Seattle to Spain in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Seattle to Spain?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Spain. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Spain flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 0% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

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

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 November 17, 2025.
Read reviews from past customers who have flown Delta, KLM, and Air France 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
8,009 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Food

7.3

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
8,009 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Food

7.3

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.
KLM
7.7
Good
1,411 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Food

7.3

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
1,493 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Food

7.3

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
7,576 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Food

7.3

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
7,528 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Food

7.3

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 13h 20m. The distance between Seattle and Spain is about 5445 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 $302 on Scandinavian Airlines. Other airlines that offer cheap prices include British Airways from $313 and Lufthansa from $400 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 - Madrid Barajas, Seattle/Tacoma Intl - Barcelona-El Prat and Seattle/Tacoma Intl - Malaga.

  • 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, October is the cheapest month in which you can book a flight from Seattle to Spain (average of $391). Flying from Seattle to Spain in June is currently the most expensive (average of $840). 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.

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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 November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$360Average$1,216FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$389Average$620FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$438Average$843FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$465Average$565FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$478Average$748FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$484Average$935FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$492Average$892FlexibilityNo cancel feeOn-time69%
IberiaCheapest$507Average$826FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$514Average$969FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$518Average$995FlexibilityNo cancel feeOn-time71%

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