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$253+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 18, 2025.

This FlightHub deal was found by Cheapflights users on 12/17. 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.
Tue 12/307:00 pmSEA - MAD
1 stop36h 25mTurkish Airlines
Wed 1/145:55 pmMAD - SEA
1 stop32h 10mTurkish Airlines
Deal found 12/17$631
This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:25 pmSEA - MAD
1 stop21h 35mBritish Airways
Wed 1/1412:50 pmMAD - SEA
2 stops42h 30mBritish Airways
Deal found 12/17$684
This Air Canada deal was found by Cheapflights users on 12/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:00 pmSEA - MAD
2 stops27h 00mMultiple Airlines
Wed 1/1410:10 amMAD - SEA
2 stops21h 06mMultiple Airlines
Deal found 12/17$686
This Priceline deal was found by Cheapflights users on 12/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:23 amSEA - XRY
2 stops30h 37mMultiple Airlines
Wed 1/149:35 pmXRY - SEA
2 stops33h 32mMultiple Airlines
Deal found 12/17$795
This Air France deal was found by Cheapflights users on 12/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:40 pmSEA - AGP
1 stop13h 40mMultiple Airlines
Sat 1/104:40 pmAGP - SEA
1 stop28h 10mMultiple Airlines
Deal found 12/16$884
This Air France deal was found by Cheapflights users on 12/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:35 amSEA - AGP
2 stops17h 45mMultiple Airlines
Sat 1/104:40 pmAGP - SEA
1 stop28h 10mMultiple Airlines
Deal found 12/16$889
This Air France deal was found by Cheapflights users on 12/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:40 pmSEA - MAD
1 stop16h 40mMultiple Airlines
Sun 1/116:00 amMAD - SEA
1 stop14h 50mMultiple Airlines
Deal found 12/16$893
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:35 amSEA - MAD
2 stops20h 45mDelta
Sun 1/116:00 amMAD - SEA
1 stop14h 50mDelta
Deal found 12/16$898
This KLM deal was found by Cheapflights users on 12/17. 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.
Wed 12/318:15 amSEA - MAD
1 stop16h 00mMultiple Airlines
Sun 1/116:00 amMAD - SEA
1 stop16h 25mMultiple Airlines
Deal found 12/17$899
This Air France deal was found by Cheapflights users on 12/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:05 pmSEA - AGP
1 stop17h 50mAir France
Sat 1/101:20 pmAGP - SEA
1 stop33h 05mAir France
Deal found 12/17$902
This oojo deal was found by Cheapflights users on 12/17. 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 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
Sun 1/1112:50 pmMAD - SEA
2 stops40h 44mBritish Airways
Deal found 12/17$909
This Air France deal was found by Cheapflights users on 12/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:40 pmSEA - MAD
1 stop19h 00mMultiple Airlines
Sat 1/105:00 pmMAD - SEA
1 stop27h 50mMultiple Airlines
Deal found 12/17$943

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 18, 2025.

Round-trip from

$386
(oojo)

One-way from

$253
(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 ($279 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 18, 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

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Mon 1/12

2:35 pm-9:55 pm

1 stop22h 20m

Alicante

Tue 1/20

10:55 pm-5:00 pm

1 stop27h 05m

$387

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sat 1/31

2:00 pm-4:40 pm

1 stop17h 40m

Bilbao

Sat 2/7

11:35 am-7:16 pm

2 stops40h 41m

$439

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Fri 1/23

2:10 pm-5:35 pm

2 stops18h 25m

Valencia

Fri 1/30

6:10 am-7:16 pm

2 stops22h 06m

$458

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Wed 3/4

7:00 am-9:55 pm

2 stops29h 55m

Bilbao

Wed 3/11

7:25 am-2:20 pm

1 stop14h 55m

$460

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

$460

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 1/17

5:50 am-8:00 am

2 stops41h 10m

Madrid Barajas

Sun 1/25

7:25 am-1:20 pm

1 stop14h 55m

$465

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 2/19

8:17 am-8:20 am

1 stop15h 03m

Barcelona-El Prat

Sat 2/28

1:35 pm-11:51 pm

2 stops43h 16m

$465

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Wed 2/18

8:10 am-7:00 pm

2 stops25h 50m

Valencia

Sat 2/28

6:20 pm-1:20 pm

1 stop28h 00m

$466

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 1/22

12:57 pm-9:35 am

3 stops35h 38m

Barcelona-El Prat

Sat 1/31

1:35 pm-10:43 pm

2 stops42h 08m

$468

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Fri 1/30

2:10 pm-11:10 pm

1 stop24h 00m

Valencia

Fri 2/6

10:25 am-11:40 am

1 stop34h 15m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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, 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 18, 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 18, 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
8,006 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

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
8,006 reviews
Delta
7.9
Good
8,006 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

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
1,428 reviews
Delta
7.9
Good
8,006 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

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
1,507 reviews
Delta
7.9
Good
8,006 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

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
7,635 reviews
Delta
7.9
Good
8,006 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

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
7,585 reviews
Delta
7.9
Good
8,006 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

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 15h 03m. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$360Average$1,216FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$367Average$610FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$438Average$895FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$440Average$566FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$468Average$933FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$476Average$847FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$478Average$747FlexibilityNo cancel feeOn-time67%
DeltaCheapest$484Average$948FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$484Average$954FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$485Average$910FlexibilityNo cancel feeOn-time70%

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