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$237+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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 August 14, 2025.

Round-trip from

$458
(Cheapflightsfares)

One-way from

$237
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$712

Good round-trip deal

$1,924 or less
From Seattle/Tacoma Intl to Spain
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One-way flight from Seattle/Tacoma Intl to Spain
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Highest demand for flights based on searches. 24% potential increase in price ($280 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Spain.
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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 August 14, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:20 pmSEA - AGP
2 stops33h 30mScandinavian Airlines
Sat 10/119:30 pmAGP - SEA
1 stop25h 30mScandinavian Airlines
Deal found 8/14$458
This Scandinavian Airlines deal was found by Cheapflights users on 8/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/54:20 pmSEA - PMI
1 stop31h 45mScandinavian Airlines
Thu 10/1610:25 amPMI - SEA
2 stops36h 35mScandinavian Airlines
Deal found 8/12$499
This Scandinavian Airlines deal was found by Cheapflights users on 8/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:20 pmSEA - PMI
1 stop31h 45mScandinavian Airlines
Thu 10/1610:25 amPMI - SEA
2 stops36h 35mScandinavian Airlines
Deal found 8/12$509
This Scandinavian Airlines deal was found by Cheapflights users on 8/13. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/144:20 pmSEA - AGP
2 stops33h 20mScandinavian Airlines
Thu 9/259:30 pmAGP - SEA
1 stop25h 30mScandinavian Airlines
Deal found 8/13$509
This lol.travel deal was found by Cheapflights users on 8/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/284:20 pmSEA - AGP
1 stop19h 00mScandinavian Airlines
Sat 10/119:30 pmAGP - SEA
1 stop25h 30mScandinavian Airlines
Deal found 8/14$521
This FlightHub deal was found by Cheapflights users on 8/14. 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.
Fri 9/54:00 pmSEA - AGP
1 stop18h 20mScandinavian Airlines
Mon 10/139:10 pmAGP - SEA
2 stops34h 15mScandinavian Airlines
Deal found 8/14$534
This Trip.com deal was found by Cheapflights users on 8/13. 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.
Sun 9/213:45 pmSEA - PMI
2 stops24h 05mMultiple Airlines
Mon 10/66:55 amPMI - SEA
2 stops22h 45mMultiple Airlines
Deal found 8/13$563
This Scandinavian Airlines deal was found by Cheapflights users on 8/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/54:20 pmSEA - PMI
1 stop31h 45mScandinavian Airlines
Tue 10/141:10 pmPMI - SEA
2 stops33h 50mScandinavian Airlines
Deal found 8/12$569
This Ticket deal was found by Cheapflights users on 8/14. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/211:30 pmSEA - VLC
1 stop21h 00mBritish Airways
Tue 10/71:25 pmVLC - SEA
1 stop13h 55mBritish Airways
Deal found 8/14$574
This Trip.com deal was found by Cheapflights users on 8/14. 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.
Sun 9/147:00 pmSEA - AGP
2 stops19h 45mMultiple Airlines
Thu 9/257:00 amAGP - SEA
2 stops22h 40mMultiple Airlines
Deal found 8/14$575
This Flysmarter deal was found by Cheapflights users on 8/14. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:20 pmSEA - VLC
1 stop14h 10mMultiple Airlines
Tue 10/77:25 amVLC - SEA
2 stops22h 21mMultiple Airlines
Deal found 8/14$576
This Scandinavian Airlines deal was found by Cheapflights users on 8/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:20 pmSEA - PMI
1 stop31h 45mScandinavian Airlines
Tue 10/141:10 pmPMI - SEA
2 stops33h 50mScandinavian Airlines
Deal found 8/12$579

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 August 14, 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

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Fri 10/3

4:20 pm-10:50 am

2 stops33h 30m

Malaga

Sat 10/11

9:30 pm-2:00 pm

1 stop25h 30m

$458

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Sun 10/5

4:20 pm-9:05 am

1 stop31h 45m

Palma de Mallorca Son Sant Joan

Thu 10/16

10:25 am-2:00 pm

2 stops36h 35m

$499

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Fri 10/3

4:20 pm-9:05 am

1 stop31h 45m

Palma de Mallorca Son Sant Joan

Thu 10/16

10:25 am-2:00 pm

2 stops36h 35m

$509

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Sun 9/14

4:20 pm-10:40 am

2 stops33h 20m

Malaga

Thu 9/25

9:30 pm-2:00 pm

1 stop25h 30m

$509

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Sun 9/28

4:20 pm-8:20 pm

1 stop19h 00m

Malaga

Sat 10/11

9:30 pm-2:00 pm

1 stop25h 30m

$521

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Sun 9/14

7:35 pm-1:10 am

1 stop20h 35m

Malaga

Thu 9/25

5:50 am-5:50 pm

1 stop21h 00m

$523

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Fri 9/5

4:00 pm-7:20 pm

1 stop18h 20m

Malaga

Mon 10/13

9:10 pm-10:25 pm

2 stops34h 15m

$534

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Sun 9/21

3:45 pm-12:50 am

2 stops24h 05m

Palma de Mallorca Son Sant Joan

Mon 10/6

6:55 am-8:40 pm

2 stops22h 45m

$563

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Sun 9/21

1:30 pm-7:30 pm

1 stop21h 00m

Valencia

Tue 10/7

1:25 pm-6:20 pm

1 stop13h 55m

$574

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Sun 9/21

8:20 pm-7:30 pm

1 stop14h 10m

Valencia

Tue 10/7

7:25 am-8:46 pm

2 stops22h 21m

$576

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

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, November is the cheapest month in which you can book a flight from Seattle to Spain (average of $543). Flying from Seattle to Spain in June is currently the most expensive (average of $1,053). 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 August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Spain as you normally would.

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 August 14, 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
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,381 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.4
Good
1,467 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,317 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,266 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 - 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, November is the cheapest month in which you can book a flight from Seattle to Spain (average of $543). Flying from Seattle to Spain in June is currently the most expensive (average of $1,053). 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

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Alternative routes for Seattle to Spain

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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$360Average$1,216FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$414Average$748FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$465Average$567FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$478Average$823FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$484Average$809FlexibilityNo cancel feeOn-time67%
IberiaCheapest$507Average$810FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$518Average$966FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$558Average$964FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$561Average$964FlexibilityNo cancel feeOn-time69%
KLMCheapest$568Average$1,017FlexibilityNo cancel feeOn-time75%

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