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$241+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
1 adult, Economy
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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 noviembre 26, 2025.

This British Airways deal was found by Cheapflights users on 11/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/301:25 pmSEA - AGP
1 stop19h 40mBritish Airways
vie. 1/97:50 pmAGP - SEA
1 stop24h 40mBritish Airways
Deal found 11/24$474
This British Airways deal was found by Cheapflights users on 11/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:50 pmSEA - MAD
1 stop29h 55mBritish Airways
vie. 1/169:20 pmMAD - SEA
1 stop23h 10mBritish Airways
Deal found 11/25$481
This KLM deal was found by Cheapflights users on 11/26. 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.
dom. 12/76:00 amSEA - MAD
1 stop18h 15mMultiple Airlines
dom. 12/1410:00 amMAD - SEA
1 stop21h 23mMultiple Airlines
Deal found 11/26$488
This Delta deal was found by Cheapflights users on 11/26. 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.
lun. 12/82:05 pmSEA - MAD
2 stops18h 35mDelta
lun. 12/1510:00 amMAD - SEA
1 stop19h 13mDelta
Deal found 11/26$507
This Air Canada deal was found by Cheapflights users on 11/26. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/83:40 pmSEA - MAD
2 stops31h 20mAir Canada
lun. 12/151:35 pmMAD - SEA
2 stops28h 56mAir Canada
Deal found 11/26$511
This Priceline deal was found by Cheapflights users on 11/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/58:00 pmSEA - MAD
2 stops51h 00mAir Canada
dom. 12/145:55 amMAD - SEA
2 stops25h 21mAir Canada
Deal found 11/25$517
This Booking.com deal was found by Cheapflights users on 11/23. 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.
lun. 12/15:40 pmSEA - MAD
1 stop19h 15mMultiple Airlines
jue. 12/257:05 amMAD - SEA
1 stop17h 35mMultiple Airlines
Deal found 11/23$550
This Orbitz deal was found by Cheapflights users on 11/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/612:31 amSEA - MAD
1 stop23h 54mIberia
dom. 12/147:10 amMAD - SEA
1 stop23h 03mIberia
Deal found 11/26$551
This Priceline deal was found by Cheapflights users on 11/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/58:30 amSEA - MAD
1 stop15h 55mBritish Airways
dom. 12/141:15 pmMAD - SEA
1 stop17h 35mBritish Airways
Deal found 11/25$566
This Delta deal was found by Cheapflights users on 11/25. 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.
vie. 12/59:59 pmSEA - MAD
1 stop25h 01mDelta
dom. 12/1410:00 amMAD - SEA
2 stops19h 50mDelta
Deal found 11/25$567
This oojo deal was found by Cheapflights users on 11/24. 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.
mar. 12/306:50 pmSEA - AGP
1 stop14h 15mBritish Airways
jue. 1/83:20 pmAGP - SEA
1 stop29h 10mBritish Airways
Deal found 11/24$581
This British Airways deal was found by Cheapflights users on 11/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:50 pmSEA - BCN
1 stop14h 35mBritish Airways
vie. 1/93:35 pmBCN - SEA
1 stop28h 55mBritish Airways
Deal found 11/24$582

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 noviembre 26, 2025.

Round-trip from

$401
(oojo)

One-way from

$241
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$748
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

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 noviembre 26, 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

sáb. 1/10

1:35 pm-5:50 pm

1 stop19h 15m

Malaga

sáb. 1/17

5:30 pm-4:55 pm

1 stop32h 25m

$439

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

vie. 1/9

3:10 pm-5:30 pm

1 stop17h 20m

Palma de Mallorca Son Sant Joan

jue. 1/22

2:00 pm-1:20 pm

1 stop32h 20m

$440

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

jue. 1/8

12:35 pm-8:15 pm

2 stops22h 40m

Palma de Mallorca Son Sant Joan

jue. 1/15

2:00 pm-1:20 pm

1 stop32h 20m

$443

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

sáb. 2/28

1:35 pm-7:35 pm

1 stop21h 00m

Valencia

jue. 3/12

12:00 pm-12:30 pm

1 stop32h 30m

$448

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

vie. 1/9

3:10 pm-11:20 pm

1 stop23h 10m

Bilbao

vie. 1/16

6:45 am-10:06 pm

2 stops24h 21m

$448

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

jue. 1/22

6:50 pm-8:15 pm

1 stop16h 25m

Valencia

lun. 1/26

4:55 pm-4:55 pm

1 stop33h 00m

$448

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

jue. 1/8

6:50 pm-8:15 pm

1 stop16h 25m

Valencia

jue. 1/15

12:00 pm-11:30 am

1 stop32h 30m

$455

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

dom. 3/1

2:10 pm-5:55 pm

1 stop18h 45m

Valencia

jue. 3/12

6:05 am-12:25 pm

1 stop14h 20m

$456

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

dom. 3/1

2:10 pm-5:55 pm

1 stop18h 45m

Valencia

mar. 3/17

6:00 am-12:35 pm

1 stop14h 35m

$457

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

lun. 3/2

2:10 pm-11:10 pm

1 stop24h 00m

Valencia

lun. 3/16

8:20 pm-12:35 pm

1 stop24h 15m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

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 noviembre 26, 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 noviembre 26, 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
8,004 reviews

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

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
8,004 reviews
Delta
7.9
Good
8,004 reviews

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

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.
KLM
7.7
Good
1,423 reviews
Delta
7.9
Good
8,004 reviews

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

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
1,498 reviews
Delta
7.9
Good
8,004 reviews

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

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
7,594 reviews
Delta
7.9
Good
8,004 reviews

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

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
7,539 reviews
Delta
7.9
Good
8,004 reviews

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

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 17h 20m. 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 $256 on British Airways. Other airlines that offer cheap prices include Scandinavian Airlines from $291 and Lufthansa from $401 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, 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.

See more FAQs

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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 noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$360Average$1,216FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$382Average$622FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$438Average$846FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$465Average$573FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$476Average$883FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$478Average$748FlexibilityNo cancel feeOn-time67%
DeltaCheapest$483Average$946FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$484Average$927FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$514Average$969FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$518Average$1,014FlexibilityNo cancel feeOn-time71%

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