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$270+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This oojo deal was found by Cheapflights users on 12/11. 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.
Tue 12/306:50 pmSEA - MAD
1 stop16h 10mBritish Airways
Sat 1/1010:35 amMAD - SEA
1 stop15h 20mBritish Airways
Deal found 12/11$680
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:58 amSEA - MAD
1 stop15h 52mMultiple Airlines
Tue 12/161:15 pmMAD - SEA
1 stop17h 35mMultiple Airlines
Deal found 12/10$688
This FlightHub deal was found by Cheapflights users on 12/10. 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 12/313:10 pmSEA - MAD
1 stop17h 40mMultiple Airlines
Sun 1/117:35 pmMAD - SEA
2 stops34h 37mMultiple Airlines
Deal found 12/10$789
This KAYAK deal was found by Cheapflights users on 12/11. 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.
Mon 12/292:35 pmSEA - TFS
1 stop16h 50mIcelandair
Mon 2/24:25 pmTFS - SEA
1 stop32h 35mIcelandair
Deal found 12/11$790
This KAYAK deal was found by Cheapflights users on 12/11. 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.
Mon 12/292:35 pmSEA - TFS
1 stop16h 50mIcelandair
Tue 1/274:25 pmTFS - SEA
1 stop32h 35mIcelandair
Deal found 12/11$823
This FlightHub deal was found by Cheapflights users on 12/11. 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 12/303:40 pmSEA - MAD
2 stops31h 20mMultiple Airlines
Sun 1/117:35 pmMAD - SEA
2 stops34h 37mMultiple Airlines
Deal found 12/11$824
This KAYAK deal was found by Cheapflights users on 12/11. 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.
Mon 12/292:35 pmSEA - TFS
1 stop16h 50mIcelandair
Sun 2/14:25 pmTFS - SEA
1 stop32h 35mIcelandair
Deal found 12/11$855
This KAYAK deal was found by Cheapflights users on 12/11. 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.
Mon 12/292:35 pmSEA - TFS
1 stop16h 50mIcelandair
Sat 1/313:55 pmTFS - SEA
1 stop33h 05mIcelandair
Deal found 12/11$873
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:30 amSEA - MAD
1 stop15h 55mBritish Airways
Mon 12/151:15 pmMAD - SEA
1 stop17h 35mBritish Airways
Deal found 12/10$875
This Lufthansa deal was found by Cheapflights users on 12/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:10 pmSEA - TFS
2 stops24h 45mLufthansa
Sat 1/315:30 pmTFS - SEA
2 stops27h 50mLufthansa
Deal found 12/11$876
This Air France deal was found by Cheapflights users on 12/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:05 pmSEA - MAD
1 stop16h 15mAir France
Sun 1/116:45 pmMAD - SEA
1 stop27h 40mAir France
Deal found 12/11$911
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:43 amSEA - MAD
2 stops24h 47mIberia
Tue 12/167:10 amMAD - SEA
1 stop19h 41mIberia
Deal found 12/10$913

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 December 12, 2025.

Round-trip from

$411
(Kiwi.com)

One-way from

$270
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,106
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 ($277 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 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 1/23

3:10 pm-5:35 pm

1 stop17h 25m

Valencia

Fri 1/30

6:10 am-7:16 pm

2 stops22h 06m

$414

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Sun 1/18

3:10 pm-3:25 pm

1 stop15h 15m

Malaga

Tue 1/27

1:40 pm-8:57 pm

2 stops40h 17m

$437

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Sun 1/25

3:10 pm-5:30 pm

1 stop17h 20m

Palma de Mallorca Son Sant Joan

Sun 2/1

2:50 pm-9:12 pm

2 stops39h 22m

$438

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Sat 1/24

7:10 am-9:50 am

2 stops17h 40m

Palma de Mallorca Son Sant Joan

Sat 1/31

7:05 am-8:00 pm

2 stops21h 55m

$441

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Sat 1/24

2:00 pm-5:10 pm

1 stop18h 10m

Palma de Mallorca Son Sant Joan

Sat 1/31

11:45 am-1:20 pm

1 stop34h 35m

$453

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Mon 1/12

12:35 pm-12:10 pm

2 stops38h 35m

Malaga

Sun 1/25

5:10 pm-12:10 pm

1 stop28h 00m

$454

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Thu 1/29

2:10 pm-9:55 pm

2 stops22h 45m

Bilbao

Sun 2/8

7:25 am-7:16 pm

2 stops20h 51m

$459

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 2/10

7:00 am-9:00 am

1 stop17h 00m

Barcelona-El Prat

Tue 2/17

1:35 pm-7:03 pm

2 stops38h 28m

$464

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Mon 1/19

2:00 pm-4:40 pm

1 stop17h 40m

Bilbao

Fri 1/30

6:45 am-7:16 pm

2 stops21h 31m

$465

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Sun 3/1

7:15 am-11:50 am

2 stops43h 35m

Malaga

Mon 3/16

12:30 pm-12:30 pm

1 stop32h 00m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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, 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 $845). 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 December 12, 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 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 December 12, 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
8,008 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

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.
KLM
7.7
Good
1,432 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

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
1,502 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

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
7,626 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

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
7,573 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

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 17h. The distance between Seattle and Spain is about 5421 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 $245 on Icelandair. Other airlines that offer cheap prices include British Airways from $262 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 - 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, 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 $845). 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$360Average$1,216FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$368Average$615FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$438Average$901FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$440Average$572FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$476Average$850FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$478Average$748FlexibilityNo cancel feeOn-time67%
DeltaCheapest$483Average$945FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$484Average$946FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$484Average$919FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$518Average$1,011FlexibilityNo cancel feeOn-time71%

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