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$239+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$469
(Cheapflightsfares)

One-way from

$239
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,262
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 ($286 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/314:00 pmSEA - AGP
1 stop19h 20mScandinavian Airlines
Thu 9/119:30 pmAGP - SEA
1 stop25h 30mScandinavian Airlines
Deal found 6/11$469
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/194:20 pmSEA - PMI
1 stop18h 05mScandinavian Airlines
Sat 9/278:15 pmPMI - SEA
1 stop26h 45mScandinavian Airlines
Deal found 6/12$479
This Expedia deal was found by Cheapflights users on 6/10. 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.
Sat 8/164:00 pmSEA - BIO
1 stop33h 00mScandinavian Airlines
Fri 8/298:40 pmBIO - SEA
1 stop26h 10mScandinavian Airlines
Deal found 6/10$501
This Scandinavian Airlines deal was found by Cheapflights users on 6/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/284:20 pmSEA - ALC
2 stops17h 20mScandinavian Airlines
Sat 10/119:10 pmALC - SEA
2 stops25h 50mScandinavian Airlines
Deal found 6/11$530
This FlightHub deal was found by Cheapflights users on 6/9. 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 10/34:20 pmSEA - SVQ
1 stop16h 00mScandinavian Airlines
Tue 10/146:10 pmSVQ - SEA
1 stop28h 50mScandinavian Airlines
Deal found 6/9$548
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:18 amSEA - MAD
1 stop15h 32mDelta
Mon 8/251:05 pmMAD - SEA
1 stop35h 50mDelta
Deal found 6/11$575
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/211:30 pmSEA - MAD
1 stop18h 05mBritish Airways
Sun 9/288:30 pmMAD - SEA
1 stop24h 05mBritish Airways
Deal found 6/11$576
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:15 amSEA - MAD
1 stop14h 25mUnited Airlines
Thu 10/236:00 amMAD - SEA
1 stop14h 55mUnited Airlines
Deal found 6/12$577
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:30 amSEA - MAD
2 stops40h 35mAir Canada
Fri 11/211:20 pmMAD - SEA
2 stops28h 56mAir Canada
Deal found 6/12$578
This FlightHub deal was found by Cheapflights users on 6/9. 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.
Thu 10/97:00 pmSEA - AGP
1 stop34h 45mIcelandair
Wed 10/223:45 pmAGP - SEA
1 stop13h 55mIcelandair
Deal found 6/9$579
This lol.travel deal was found by Cheapflights users on 6/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:10 pmSEA - MAD
1 stop17h 40mLufthansa
Thu 1/86:35 pmMAD - SEA
1 stop27h 45mLufthansa
Deal found 6/11$581
This Priceline deal was found by Cheapflights users on 6/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:20 pmSEA - AGP
1 stop14h 35mBritish Airways
Mon 9/298:55 pmAGP - SEA
1 stop23h 15mBritish Airways
Deal found 6/12$589

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 June 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

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Sun 8/31

4:00 pm-8:20 pm

1 stop19h 20m

Malaga

Thu 9/11

9:30 pm-2:00 pm

1 stop25h 30m

$469

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sat 8/16

4:00 pm-10:00 am

1 stop33h 00m

Bilbao

Fri 8/29

8:40 pm-1:50 pm

1 stop26h 10m

$501

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Sun 9/7

4:00 pm-9:05 am

1 stop32h 05m

Palma de Mallorca Son Sant Joan

Thu 9/18

10:25 am-2:00 pm

2 stops36h 35m

$509

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 8/18

7:18 am-7:50 am

1 stop15h 32m

Madrid Barajas

Mon 8/25

1:05 pm-3:55 pm

1 stop35h 50m

$575

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 9/21

1:30 pm-4:35 pm

1 stop18h 05m

Madrid Barajas

Sun 9/28

8:30 pm-11:35 am

1 stop24h 05m

$576

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 10/5

7:15 am-6:40 am

1 stop14h 25m

Madrid Barajas

Thu 10/23

6:00 am-11:55 am

1 stop14h 55m

$577

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 11/1

7:30 am-8:05 am

2 stops40h 35m

Madrid Barajas

Fri 11/21

1:20 pm-9:16 am

2 stops28h 56m

$578

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Thu 10/9

7:00 pm-2:45 pm

1 stop34h 45m

Malaga

Wed 10/22

3:45 pm-8:40 pm

1 stop13h 55m

$579

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Sun 9/21

8:20 pm-7:55 pm

1 stop14h 35m

Malaga

Mon 9/29

8:55 pm-11:10 am

1 stop23h 15m

$589

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 7/22

3:13 pm-1:25 pm

1 stop13h 12m

Madrid Barajas

Tue 8/26

4:40 pm-11:40 pm

1 stop16h 00m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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, 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 $1,057). 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 June 12, 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.

Rainfall in Spain by month

Plan your trip to Spain by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Spain ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Spain when rainfall is around 0.8 in.

Temperature in Spain by month

Plan your trip to Spain by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Spain, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Seattle to Spain, such as Delta, Alaska Airlines and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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!
Alaska Airlines
8.0
Very good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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 cheapest airlines to fly from Seattle to Spain one-way?

    One-way options have recently been found by users for as low as $290 on WestJet. Other airlines that offer cheap prices include Icelandair from $296 and Scandinavian Airlines from $390 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 - Valencia.

  • 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 $1,057). 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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Alternative routes for Seattle to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$416Average$633FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$443Average$563FlexibilityNo cancel feeOn-time77%
WestJetCheapest$445Average$966FlexibilityNo cancel feeOn-time60%
Aer LingusCheapest$470Average$855FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$489Average$875FlexibilityNo cancel feeOn-time67%
IberiaCheapest$507Average$810FlexibilityNo cancel feeOn-time77%
DeltaCheapest$509Average$1,074FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$549Average$962FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$560Average$871FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$561Average$1,033FlexibilityNo cancel feeOn-time69%

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