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$297+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$518
(Mytrip)

One-way from

$297
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$746
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. 13% potential increase in price ($139 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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.
Wed 5/144:30 pmBCN - SEA
2 stops31h 35mMultiple Airlines
Wed 5/215:05 pmSEA - BCN
2 stops23h 30mMultiple Airlines
Deal found 4/30$518
This Flighttix deal was found by Cheapflights users on 4/30. 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.
Thu 5/227:05 amMAD - SEA
1 stop17h 00mMultiple Airlines
Fri 6/65:05 pmSEA - MAD
1 stop19h 50mMultiple Airlines
Deal found 4/30$556
This lol.travel deal was found by Cheapflights users on 4/30. 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.
Thu 5/299:30 pmAGP - SEA
1 stop25h 20mScandinavian Airlines
Fri 6/64:00 pmSEA - AGP
1 stop18h 20mScandinavian Airlines
Deal found 4/30$574
This Gotogate deal was found by Cheapflights users on 5/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/17:00 pmBCN - SEA
1 stop27h 50mScandinavian Airlines
Fri 6/134:00 pmSEA - BCN
1 stop17h 10mScandinavian Airlines
Deal found 5/1$619
This British Airways deal was found by Cheapflights users on 5/1. 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.
Thu 5/812:20 pmBCN - SEA
1 stop21h 25mBritish Airways
Thu 5/221:30 pmSEA - BCN
1 stop24h 25mBritish Airways
Deal found 5/1$638
This Booking.com deal was found by Cheapflights users on 5/1. 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.
Thu 5/89:15 pmVLC - SEA
1 stop23h 20mBritish Airways
Mon 5/121:30 pmSEA - VLC
1 stop21h 05mBritish Airways
Deal found 5/1$649
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/151:00 pmMAD - SEA
1 stop17h 08mAmerican Airlines
Wed 5/285:20 amSEA - MAD
1 stop15h 10mAmerican Airlines
Deal found 5/1$654
This British Airways deal was found by Cheapflights users on 5/1. 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.
Thu 10/210:30 amMAD - SEA
1 stop16h 50mBritish Airways
Mon 10/138:20 pmSEA - MAD
1 stop15h 15mBritish Airways
Deal found 5/1$668
This Mytrip deal was found by Cheapflights users on 5/1. 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.
Thu 5/811:30 pmVLC - SEA
3 stops33h 40mMultiple Airlines
Mon 5/123:45 pmSEA - VLC
2 stops20h 05mMultiple Airlines
Deal found 5/1$681
This Mytrip deal was found by Cheapflights users on 5/1. 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.
Wed 6/186:30 amAGP - SEA
3 stops41h 33mMultiple Airlines
Fri 7/43:45 pmSEA - AGP
3 stops31h 45mMultiple Airlines
Deal found 5/1$699
This lol.travel deal was found by Cheapflights users on 4/30. 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 9/174:40 pmMAD - SEA
1 stop16h 10mIberia
Tue 9/309:57 amSEA - MAD
1 stop14h 08mIberia
Deal found 4/30$705
This Priceline deal was found by Cheapflights users on 4/29. 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.
Tue 5/612:20 pmBCN - SEA
1 stop19h 37mIberia
Tue 5/138:20 pmSEA - BCN
1 stop13h 10mIberia
Deal found 4/29$739

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 May 1, 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

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Wed 5/14

4:30 pm-3:05 pm

2 stops31h 35m

Seattle/Tacoma Intl

Wed 5/21

5:05 pm-1:35 am

2 stops23h 30m

$518

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 5/22

7:05 am-3:05 pm

1 stop17h 00m

Seattle/Tacoma Intl

Fri 6/6

5:05 pm-9:55 pm

1 stop19h 50m

$556

MálagaSeattle

AGP - SEA

AGPSEA

Malaga

Thu 5/29

9:30 pm-1:50 pm

1 stop25h 20m

Seattle/Tacoma Intl

Fri 6/6

4:00 pm-7:20 pm

1 stop18h 20m

$574

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Sun 6/1

7:00 pm-1:50 pm

1 stop27h 50m

Seattle/Tacoma Intl

Fri 6/13

4:00 pm-6:10 pm

1 stop17h 10m

$619

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 5/15

1:00 pm-9:08 pm

1 stop17h 08m

Seattle/Tacoma Intl

Wed 5/28

5:20 am-5:30 am

1 stop15h 10m

$654

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Thu 5/15

12:20 pm-9:03 pm

1 stop17h 43m

Seattle/Tacoma Intl

Sun 5/18

1:30 pm-6:15 pm

1 stop19h 45m

$657

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 10/2

10:30 am-6:20 pm

1 stop16h 50m

Seattle/Tacoma Intl

Mon 10/13

8:20 pm-8:35 pm

1 stop15h 15m

$668

MálagaSeattle

AGP - SEA

AGPSEA

Malaga

Wed 6/18

6:30 am-3:03 pm

3 stops41h 33m

Seattle/Tacoma Intl

Fri 7/4

3:45 pm-8:30 am

3 stops31h 45m

$699

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 9/17

4:40 pm-11:50 pm

1 stop16h 10m

Seattle/Tacoma Intl

Tue 9/30

9:57 am-9:05 am

1 stop14h 08m

$705

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Sat 6/7

10:05 am-4:00 pm

1 stop14h 55m

Seattle/Tacoma Intl

Sat 6/14

5:40 pm-8:05 pm

1 stop17h 25m

$743

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 July is currently the most expensive (average of $405). 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 May 1, 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.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 May 1, 2025.
To help decide which airline to fly from Spain to Seattle, see what other customers have to say about Delta, KLM and Finnair. 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
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,589 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $534. However, be on the lookout for offers from Aer Lingus and Icelandair, as they are both options that can get you from Spain to Seattle for a low price.

  • 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 July is currently the most expensive (average of $405). 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 Spain?

Book flights to Spain if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Kent
Lynnwood
Aberdeen
Shelton
Silverdale
Redmond
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Spain to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Spain to Seattle

Discover the top 7 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$568Average$997FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$604Average$895FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$633Average$943FlexibilityNo cancel feeOn-time67%
DeltaCheapest$686Average$871FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$720Average$1,019FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$753Average$861FlexibilityNo cancel feeOn-time71%
IberiaCheapest$802Average$974FlexibilityNo cancel feeOn-time77%

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