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$317+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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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 October 27, 2025.

This Flighttix deal was found by Cheapflights users on 10/25. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:05 amMAD - SEA
1 stop17h 35mMultiple Airlines
Thu 11/275:40 pmSEA - MAD
1 stop19h 15mMultiple Airlines
Deal found 10/25$543
This Flighttix deal was found by Cheapflights users on 10/24. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:05 amMAD - SEA
1 stop17h 35mMultiple Airlines
Mon 11/245:40 pmSEA - MAD
1 stop19h 15mMultiple Airlines
Deal found 10/24$577
This Lucky2Go deal was found by Cheapflights users on 10/25. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:30 amBCN - SEA
1 stop15h 50mAer Lingus
Sun 11/308:05 pmSEA - BCN
1 stop15h 20mAer Lingus
Deal found 10/25$610
This Expedia deal was found by Cheapflights users on 10/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2112:00 pmAGP - SEA
1 stop15h 20mAer Lingus
Fri 11/288:05 pmSEA - AGP
1 stop14h 10mAer Lingus
Deal found 10/25$631
This Expedia deal was found by Cheapflights users on 10/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2811:35 amBCN - SEA
1 stop15h 45mAer Lingus
Sun 12/148:05 pmSEA - BCN
1 stop15h 20mAer Lingus
Deal found 10/25$642
This Mytrip deal was found by Cheapflights users on 10/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:00 pmMAD - SEA
1 stop15h 20mMultiple Airlines
Mon 12/158:05 pmSEA - MAD
1 stop16h 40mMultiple Airlines
Deal found 10/24$686
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:45 amBCN - SEA
1 stop21h 35mMultiple Airlines
Wed 12/178:05 pmSEA - BCN
1 stop19h 20mMultiple Airlines
Deal found 10/26$707
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/254:25 pmBCN - SEA
2 stops33h 35mMultiple Airlines
Tue 12/22:35 pmSEA - BCN
2 stops16h 40mMultiple Airlines
Deal found 10/26$735
This lol.travel deal was found by Cheapflights users on 10/25. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:50 amBCN - SEA
2 stops21h 26mAir Canada
Sun 12/78:00 pmSEA - BCN
2 stops28h 35mAir Canada
Deal found 10/25$764
This Gotogate deal was found by Cheapflights users on 10/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:00 amMAD - SEA
1 stop15h 10mLufthansa
Tue 11/252:00 pmSEA - MAD
1 stop17h 10mLufthansa
Deal found 10/25$767
This lol.travel deal was found by Cheapflights users on 10/24. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amMAD - SEA
2 stops25h 16mAir Canada
Thu 11/275:50 amSEA - MAD
2 stops17h 10mAir Canada
Deal found 10/24$770
This lol.travel deal was found by Cheapflights users on 10/25. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:35 pmBCN - SEA
2 stops38h 41mAir Canada
Sun 11/308:00 pmSEA - BCN
2 stops28h 35mAir Canada
Deal found 10/25$773

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 October 27, 2025.

Round-trip from

$497
(Flighttix)

One-way from

$317
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$858
From Spain to Seattle/Tacoma Intl
Search Deals
One-way flight from Spain to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 27, 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

Mon 11/17

11:30 am-6:20 pm

1 stop15h 50m

Seattle/Tacoma Intl

Sun 11/30

8:05 pm-8:25 pm

1 stop15h 20m

$618

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 11/13

7:05 am-8:13 pm

2 stops22h 08m

Seattle/Tacoma Intl

Thu 11/27

5:40 pm-9:55 pm

1 stop19h 15m

$624

MálagaSeattle

AGP - SEA

AGPSEA

Malaga

Fri 11/21

12:00 pm-6:20 pm

1 stop15h 20m

Seattle/Tacoma Intl

Fri 11/28

8:05 pm-7:15 pm

1 stop14h 10m

$631

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 1/24

6:00 am-10:16 pm

2 stops25h 16m

Seattle/Tacoma Intl

Mon 2/2

5:50 am-8:00 am

2 stops17h 10m

$738

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Sat 1/31

6:50 am-12:10 pm

1 stop14h 20m

Seattle/Tacoma Intl

Tue 2/10

7:00 am-9:00 am

1 stop17h 00m

$776

ValenciaSeattle

VLC - SEA

VLCSEA

Valencia

Fri 11/21

6:10 am-7:16 pm

2 stops22h 06m

Seattle/Tacoma Intl

Fri 11/28

3:10 pm-5:35 pm

1 stop17h 25m

$776

ValenciaSeattle

VLC - SEA

VLCSEA

Valencia

Thu 3/5

6:00 am-11:35 am

1 stop14h 35m

Seattle/Tacoma Intl

Mon 3/9

6:00 am-12:00 pm

2 stops22h 00m

$777

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 2/19

11:15 am-10:43 pm

2 stops20h 28m

Seattle/Tacoma Intl

Thu 2/26

5:00 am-9:15 am

2 stops19h 15m

$778

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 3/5

6:00 am-12:10 pm

1 stop15h 10m

Seattle/Tacoma Intl

Sun 3/15

4:10 pm-4:00 pm

2 stops15h 50m

$778

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 3/4

5:55 am-3:01 pm

2 stops18h 06m

Seattle/Tacoma Intl

Mon 3/16

3:00 pm-5:50 pm

2 stops18h 50m

$779

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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, February is the cheapest month in which you can book a flight from Spain to Seattle (average of $335). Flying from Spain to Seattle in April is currently the most expensive (average of $726). 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 October 27, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 11% on flights from Spain to Seattle by exploring options for tickets in the morning.

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 October 27, 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
7.9
Good
7,994 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
KLM
7.7
Good
1,406 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Air France
7.4
Good
1,479 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Lufthansa
6.8
Okay
7,532 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
British Airways
6.7
Okay
7,476 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

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.

  • How long is the flight from Spain to Seattle?

    For as low as $776, Aer Lingus can have you in Seattle from Spain in 14h 20m. Spain and Seattle are separated by a distance of 5421 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Spain to Seattle one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $487. However, be on the lookout for offers from Aer Lingus and Air Europa, 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, February is the cheapest month in which you can book a flight from Spain to Seattle (average of $335). Flying from Spain to Seattle in April is currently the most expensive (average of $726). 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
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

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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 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$604Average$1,069FlexibilityNo cancel feeOn-time77%
KLMCheapest$677Average$854FlexibilityNo cancel feeOn-time75%
DeltaCheapest$686Average$941FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$712Average$797FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$768Average$973FlexibilityNo cancel feeOn-time70%

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