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$352+ Cheap flights from Spain to Seattle (SEA)

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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
août 18 — août 251
lun. 8/18
lun. 8/25
1 adult, Economy
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Cheap flight deals from Spain to Seattle

Keep the following information in mind while searching for Spain to Seattle flight deals. Data was last updated août 13, 2025.

Round-trip from

$502
(Flighttix)

One-way from

$352
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$924
From Spain to Seattle/Tacoma Intl
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One-way flight from Spain to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 5% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Spain to Seattle

Cheapest flights from Spain to Seattle
Explore the most affordable flight options available from Spain to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on août 13, 2025.

This Mytrip deal was found by Cheapflights users on 8/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/47:20 amBCN - SEA
2 stops19h 30mMultiple Airlines
sam. 9/203:45 pmSEA - BCN
2 stops24h 45mMultiple Airlines
Deal found 8/10$552
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/2511:00 amBCN - SEA
2 stops15h 50mMultiple Airlines
jeu. 10/23:45 pmSEA - BCN
2 stops24h 45mMultiple Airlines
Deal found 8/11$569
This Orbitz deal was found by Cheapflights users on 8/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/177:05 amMAD - SEA
1 stop17h 00mMultiple Airlines
ven. 10/175:05 pmSEA - MAD
1 stop19h 50mMultiple Airlines
Deal found 8/11$600
This Condor 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/297:05 amMAD - SEA
2 stops22h 32mMultiple Airlines
lun. 10/65:05 pmSEA - MAD
1 stop19h 50mMultiple Airlines
Deal found 8/12$605
This lol.travel deal was found by Cheapflights users on 8/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/48:35 pmAGP - SEA
1 stop26h 25mScandinavian Airlines
ven. 10/104:20 pmSEA - AGP
1 stop17h 35mScandinavian Airlines
Deal found 8/10$617
This lol.travel deal was found by Cheapflights users on 8/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/257:00 pmBCN - SEA
1 stop28h 00mScandinavian Airlines
mer. 10/84:20 pmSEA - BCN
1 stop16h 50mScandinavian Airlines
Deal found 8/10$624
This Flighttix deal was found by Cheapflights users on 8/11. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/27:05 amMAD - SEA
2 stops22h 32mMultiple Airlines
lun. 9/86:35 pmSEA - MAD
1 stop18h 20mMultiple Airlines
Deal found 8/11$628
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/255:50 amAGP - SEA
2 stops21h 00mMultiple Airlines
jeu. 10/23:45 pmSEA - AGP
2 stops22h 55mMultiple Airlines
Deal found 8/11$633
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/255:55 amMAD - SEA
2 stops20h 55mMultiple Airlines
jeu. 10/23:45 pmSEA - MAD
3 stops35h 55mMultiple Airlines
Deal found 8/11$653
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/2510:50 amPMI - SEA
2 stops18h 50mMultiple Airlines
jeu. 10/23:45 pmSEA - PMI
3 stops30h 40mMultiple Airlines
Deal found 8/11$654
This FlightHub deal was found by Cheapflights users on 8/10. 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.
jeu. 9/411:00 amBCN - SEA
1 stop15h 50mAer Lingus
ven. 9/267:35 pmSEA - BCN
1 stop17h 50mAer Lingus
Deal found 8/10$654
This Trip.com deal was found by Cheapflights users on 8/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/65:50 pmVLC - SEA
1 stop29h 00mScandinavian Airlines
ven. 9/124:20 pmSEA - VLC
1 stop15h 40mScandinavian Airlines
Deal found 8/10$657

Cheapflights Fare Finder

 
Customize your flight search to find flights from Spain to Seattle 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 août 13, 2025.
Use the filters below to find and compare flights from Spain to Seattle that are best for you.

Fly from

Spain

Fly to

Seattle

Route

Depart

Return

Price

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

jeu. 9/4

7:05 am-3:05 pm

1 stop17h 00m

Seattle/Tacoma Intl

mer. 9/17

5:05 pm-9:55 pm

1 stop19h 50m

$502

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

jeu. 9/4

7:20 am-5:50 pm

2 stops19h 30m

Seattle/Tacoma Intl

sam. 9/20

3:45 pm-1:30 am

2 stops24h 45m

$552

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

jeu. 9/25

11:00 am-5:50 pm

2 stops15h 50m

Seattle/Tacoma Intl

jeu. 10/2

3:45 pm-1:30 am

2 stops24h 45m

$569

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

mer. 9/17

7:05 am-3:05 pm

1 stop17h 00m

Seattle/Tacoma Intl

ven. 10/17

5:05 pm-9:55 pm

1 stop19h 50m

$600

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

mar. 9/9

7:05 am-5:50 pm

2 stops19h 45m

Seattle/Tacoma Intl

mar. 9/16

5:05 pm-9:55 pm

1 stop19h 50m

$605

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

lun. 9/29

7:05 am-7:14 pm

2 stops21h 09m

Seattle/Tacoma Intl

lun. 10/6

5:05 pm-9:55 pm

1 stop19h 50m

$605

MálagaSeattle

AGP - SEA

AGPSEA

Malaga

sam. 10/4

8:35 pm-2:00 pm

1 stop26h 25m

Seattle/Tacoma Intl

ven. 10/10

4:20 pm-6:55 pm

1 stop17h 35m

$617

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

jeu. 9/25

7:00 pm-2:00 pm

1 stop28h 00m

Seattle/Tacoma Intl

mer. 10/8

4:20 pm-6:10 pm

1 stop16h 50m

$624

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

jeu. 9/4

11:00 am-5:50 pm

1 stop15h 50m

Seattle/Tacoma Intl

ven. 9/26

7:35 pm-10:25 pm

1 stop17h 50m

$654

ValenciaSeattle

VLC - SEA

VLCSEA

Valencia

sam. 9/6

5:50 pm-1:50 pm

1 stop29h 00m

Seattle/Tacoma Intl

ven. 9/12

4:20 pm-5:00 pm

1 stop15h 40m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 60 results
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Best time to book a flight from Spain to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Spain 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 Spain to Seattle

What is the cheapest month to book a flight from Spain to Seattle?

Currently, January is the cheapest month in which you can book a flight from Spain to Seattle (average of $238). Flying from Spain to Seattle in June is currently the most expensive (average of $389). 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 ES to SEA?

Find hourly flight availability from Spain to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated août 13, 2025.

When flying from Spain to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated août 13, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Air France from Spain to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
KLM
7.8
Good
1,381 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Air France
7.4
Good
1,467 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Iberia
7.0
Good
2,878 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
British Airways
6.7
Okay
7,265 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

Find useful and relevant information for your journey from Spain to Seattle. 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 into for flights to Seattle from Spain?

    For a flight from Spain to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

  • What are the most popular routes from Spain to Seattle?

    Most travelers choose Madrid Barajas - Seattle/Tacoma Intl, Barcelona-El Prat - Seattle/Tacoma Intl or Malaga - Seattle/Tacoma Intl when deciding on the best route from Spain to Seattle.

  • Can I find deals for flights from Spain to Seattle that include hotel bookings?

    Yes. In addition to deals on Spain to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Spain to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spain to Seattle.

  • Can I find deals for business class flights from Spain to Seattle?

    Yes. Cheapflights offers flight deals from Spain to Seattle 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 Spain to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Spain to Seattle (average of $238). Flying from Spain to Seattle in June is currently the most expensive (average of $389). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

Browse thousands of different options on Cheapflights for your next trip

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Spain to Seattle

Discover the top 5 airlines that operate flights from Spain to Seattle. 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 août 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$604Average$882FlexibilityNo cancel feeOn-time77%
KLMCheapest$677Average$962FlexibilityNo cancel feeOn-time75%
DeltaCheapest$686Average$856FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$771Average$1,026FlexibilityNo cancel feeOn-time70%
IberiaCheapest$802Average$978FlexibilityNo cancel feeOn-time77%

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