Spain

$280+ 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 15 — Jun 221
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Spain with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 May 16, 2026.

This Lufthansa deal was found by Cheapflights users on 5/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:10 pm
SEA
-
PMI
1 stop17h 05m
Lufthansa
Tue 1/196:20 pm
PMI
-
SEA
1 stop28h 00m
Lufthansa
Deal found 5/15$570
This FlightHub deal was found by Cheapflights users on 5/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:55 pm
SEA
-
ALC
1 stop35h 45m
Scandinavian Airlines
Fri 9/1110:40 am
ALC
-
SEA
2 stops36h 05m
Scandinavian Airlines
Deal found 5/11$637
This SmartFares deal was found by Cheapflights users on 5/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:40 pm
SEA
-
PMI
1 stop16h 50m
Condor
Tue 8/257:50 am
PMI
-
SEA
1 stop16h 50m
Condor
Deal found 5/11$653
This Scandinavian Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 9/223:55 pm
SEA
-
BIO
1 stop17h 50m
Scandinavian Airlines
Fri 10/27:35 pm
BIO
-
SEA
1 stop27h 10m
Scandinavian Airlines
Deal found 5/11$661
This KAYAK deal was found by Cheapflights users on 5/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:55 pm
SEA
-
ALC
1 stop35h 45m
Scandinavian Airlines
Wed 9/161:10 pm
ALC
-
SEA
2 stops57h 35m
Scandinavian Airlines
Deal found 5/14$671
This KAYAK deal was found by Cheapflights users on 5/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:55 pm
SEA
-
ALC
2 stops36h 05m
Scandinavian Airlines
Sat 9/1212:00 pm
ALC
-
SEA
2 stops34h 45m
Scandinavian Airlines
Deal found 5/14$672
This SmartFares deal was found by Cheapflights users on 5/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:10 pm
SEA
-
PMI
1 stop16h 05m
Condor
Mon 8/248:05 pm
PMI
-
SEA
1 stop28h 35m
Condor
Deal found 5/11$674
This KAYAK deal was found by Cheapflights users on 5/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:55 pm
SEA
-
ALC
2 stops41h 45m
Scandinavian Airlines
Sat 9/1212:00 pm
ALC
-
SEA
2 stops34h 45m
Scandinavian Airlines
Deal found 5/14$675
This Mytrip deal was found by Cheapflights users on 5/11. 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.
Sun 8/98:00 am
SEA
-
PMI
2 stops30h 15m
Multiple Airlines
Tue 8/256:05 am
PMI
-
SEA
2 stops24h 02m
Multiple Airlines
Deal found 5/11$682
This Scandinavian Airlines deal was found by Cheapflights users on 5/14. 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 8/303:55 pm
SEA
-
ALC
1 stop34h 20m
Scandinavian Airlines
Thu 9/1711:30 am
ALC
-
SEA
1 stop35h 15m
Scandinavian Airlines
Deal found 5/14$694
This Air France deal was found by Cheapflights users on 5/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:20 am
SEA
-
PMI
2 stops19h 15m
Air France
Tue 1/198:00 am
PMI
-
SEA
2 stops25h 09m
Air France
Deal found 5/12$697
This KAYAK deal was found by Cheapflights users on 5/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:55 pm
SEA
-
ALC
1 stop35h 45m
Scandinavian Airlines
Sun 9/138:45 pm
ALC
-
SEA
2 stops50h 00m
Scandinavian Airlines
Deal found 5/14$701

Find flight deals from Seattle to Spain

Keep the following information in mind while searching for Seattle to Spain flight deals. Data was last updated May 16, 2026.

Round-trip from

$637
(FlightHub)

One-way from

$280
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$818

Good round-trip deal

$1,023 or less

Good one-way deal

$708 or less
From Seattle/Tacoma Intl to Spain
One-way flight from Seattle/Tacoma Intl to Spain
Highest demand for flights based on searches. 22% potential increase in price ($216 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Spain.
Price to beat on a one-way flight from Seattle/Tacoma Intl to Spain.

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 May 16, 2026.
Use the filters below to find and compare flights from Seattle to Spain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Sun 9/27

3:55 pm-11:15 am

1 stop34h 20m

Alicante

Thu 10/1

11:05 am-1:45 pm

2 stops35h 40m

$739

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Mon 10/19

7:00 am-11:55 am

2 stops19h 55m

Valencia

Thu 10/22

5:55 am-12:20 pm

1 stop15h 25m

$746

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Tue 8/11

1:30 pm-4:15 pm

1 stop17h 45m

Valencia

Fri 8/21

6:35 am-11:37 am

1 stop14h 02m

$757

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 6/11

6:05 pm-10:10 pm

1 stop19h 05m

Barcelona-El Prat

Mon 6/22

5:00 pm-3:40 pm

1 stop31h 40m

$793

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

Tue 8/4

12:36 pm-6:40 pm

2 stops21h 04m

Malaga

Fri 8/21

5:55 am-11:15 am

1 stop14h 20m

$830

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Mon 8/3

6:10 pm-7:15 pm

1 stop16h 05m

Palma de Mallorca Son Sant Joan

Mon 8/17

9:00 am-4:10 pm

1 stop16h 10m

$841

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 8/2

5:40 pm-4:00 pm

1 stop13h 20m

Barcelona-El Prat

Mon 8/24

8:00 am-8:32 pm

2 stops21h 32m

$850

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 8/2

5:40 pm-4:00 pm

1 stop13h 20m

Barcelona-El Prat

Sun 8/16

8:00 am-11:53 pm

2 stops24h 53m

$890

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Wed 7/8

1:45 pm-8:40 pm

1 stop21h 55m

Alicante

Tue 7/21

10:10 pm-11:33 am

1 stop22h 23m

$910

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Sun 7/5

1:30 pm-7:40 pm

1 stop21h 10m

Palma de Mallorca Son Sant Joan

Fri 7/17

7:05 am-3:35 pm

1 stop17h 30m

$911

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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

How far ahead should I book a flight from Seattle to Spain?

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Spain. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Seattle to Spain (average of $264). Flying from Seattle to Spain in May is currently the most expensive (average of $1,824). 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 May 16, 2026.

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.

How often are flights from Seattle to Spain delayed?

About 0% of weekly flights between Seattle and Spain have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for Seattle to Spain flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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 May 16, 2026.
Read reviews from past customers who have flown Delta,Icelandair, andLufthansa 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.

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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.

  • How long is the flight from Seattle to Spain?

    Departing from Seattle to Spain will take you 19h 05m. The distance between Seattle and Spain is about 5421 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $239 on British Airways. Other airlines that offer cheap prices include Aer Lingus from $267 and United Airlines from $270 one-way.

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

  • 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, February is the cheapest month in which you can book a flight from Seattle to Spain (average of $264). Flying from Seattle to Spain in May is currently the most expensive (average of $1,824). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$123Average$1,152FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$367Average$637FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$425Average$793FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$439Average$788FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$465Average$663FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$471Average$846FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$476Average$804FlexibilityNo cancel feeOn-time69%
KLMCheapest$478Average$928FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$478Average$732FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$479Average$816FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.