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$230+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 30, 2025.

Round-trip from

$415
(Mytrip)

One-way from

$230
(Mytrip)

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 ($285 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 30, 2025.

This Mytrip deal was found by Cheapflights users on 6/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:00 pmSEA - AGP
1 stop34h 45mIcelandair
Sat 9/273:45 pmAGP - SEA
1 stop13h 55mIcelandair
Deal found 6/29$415
This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/204:00 pmSEA - AGP
1 stop32h 50mScandinavian Airlines
Tue 8/269:10 pmAGP - SEA
1 stop25h 40mScandinavian Airlines
Deal found 6/29$470
This Mytrip deal was found by Cheapflights users on 6/28. 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 10/83:45 pmSEA - AGP
2 stops24h 30mMultiple Airlines
Fri 10/176:50 amAGP - SEA
2 stops22h 50mMultiple Airlines
Deal found 6/28$506
This oojo deal was found by Cheapflights users on 6/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/264:20 pmSEA - PMI
1 stop31h 45mScandinavian Airlines
Tue 10/71:10 pmPMI - SEA
2 stops33h 50mScandinavian Airlines
Deal found 6/29$548
This Iberia deal was found by Cheapflights users on 6/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/176:10 amSEA - MAD
2 stops25h 05mIberia
Tue 9/212:40 pmMAD - SEA
1 stop17h 56mIberia
Deal found 6/29$557
This Gotogate deal was found by Cheapflights users on 6/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:15 pmSEA - MAD
2 stops26h 25mMultiple Airlines
Tue 10/216:00 amMAD - SEA
1 stop14h 55mMultiple Airlines
Deal found 6/29$558
This Mytrip deal was found by Cheapflights users on 6/28. 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.
Fri 9/193:45 pmSEA - PMI
2 stops23h 40mMultiple Airlines
Sat 9/2710:25 pmPMI - SEA
3 stops31h 15mMultiple Airlines
Deal found 6/28$561
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1912:05 pmSEA - MAD
2 stops18h 30mDelta
Fri 8/2910:05 amMAD - SEA
1 stop17h 55mDelta
Deal found 6/29$562
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Sun 9/213:00 pmSEA - MAD
1 stop13h 25mAmerican Airlines
Sun 9/281:00 pmMAD - SEA
1 stop17h 58mAmerican Airlines
Deal found 6/28$563
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/28:00 amSEA - MAD
1 stop15h 05mUnited Airlines
Wed 12/101:35 pmMAD - SEA
2 stops35h 22mUnited Airlines
Deal found 6/29$564
This Booking.com deal was found by Cheapflights users on 6/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/108:20 pmSEA - MAD
1 stop29h 50mBritish Airways
Tue 8/268:30 pmMAD - SEA
1 stop24h 05mBritish Airways
Deal found 6/29$566
This Trip.com deal was found by Cheapflights users on 6/28. 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.
Sun 9/214:20 pmSEA - MAD
1 stop34h 50mScandinavian Airlines
Sat 9/276:15 pmMAD - SEA
1 stop28h 45mScandinavian Airlines
Deal found 6/28$578

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 30, 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

Mon 9/22

7:00 pm-2:45 pm

1 stop34h 45m

Malaga

Sat 9/27

3:45 pm-8:40 pm

1 stop13h 55m

$415

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Wed 8/20

4:00 pm-9:50 am

1 stop32h 50m

Malaga

Tue 8/26

9:10 pm-1:50 pm

1 stop25h 40m

$470

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Fri 9/26

4:20 pm-9:05 am

1 stop31h 45m

Palma de Mallorca Son Sant Joan

Tue 10/7

1:10 pm-2:00 pm

2 stops33h 50m

$548

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 8/17

6:10 am-4:15 pm

2 stops25h 05m

Madrid Barajas

Tue 9/2

12:40 pm-9:36 pm

1 stop17h 56m

$557

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 10/4

7:15 pm-6:40 am

2 stops26h 25m

Madrid Barajas

Tue 10/21

6:00 am-11:55 am

1 stop14h 55m

$558

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Fri 9/19

3:45 pm-12:25 am

2 stops23h 40m

Palma de Mallorca Son Sant Joan

Sat 9/27

10:25 pm-8:40 pm

3 stops31h 15m

$561

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 8/19

12:05 pm-3:35 pm

2 stops18h 30m

Madrid Barajas

Fri 8/29

10:05 am-7:00 pm

1 stop17h 55m

$562

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 9/21

3:00 pm-1:25 pm

1 stop13h 25m

Madrid Barajas

Sun 9/28

1:00 pm-9:58 pm

1 stop17h 58m

$563

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 12/2

8:00 am-8:05 am

1 stop15h 05m

Madrid Barajas

Wed 12/10

1:35 pm-3:57 pm

2 stops35h 22m

$564

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 8/10

8:20 pm-11:10 am

1 stop29h 50m

Madrid Barajas

Tue 8/26

8:30 pm-11:35 am

1 stop24h 05m

$566

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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 $1,054). 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 30, 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.

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 30, 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
8.0
Very good
7,973 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

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
1,365 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

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!
Air France
7.5
Good
1,471 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

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!
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

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!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

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 $286 on Icelandair. Other airlines that offer cheap prices include Aer Lingus from $385 and JetBlue from $389 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, 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 $1,054). 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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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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$416Average$620FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$443Average$563FlexibilityNo cancel feeOn-time77%
WestJetCheapest$445Average$960FlexibilityNo cancel feeOn-time60%
Aer LingusCheapest$478Average$836FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$489Average$825FlexibilityNo cancel feeOn-time67%
IberiaCheapest$507Average$816FlexibilityNo cancel feeOn-time77%
DeltaCheapest$509Average$1,058FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$556Average$970FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$563Average$960FlexibilityNo cancel feeOn-time69%
KLMCheapest$568Average$995FlexibilityNo cancel feeOn-time75%

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