Barcelona

$264+ Cheap flights from Seattle (SEA) to Barcelona

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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BCN
May 17 — May 241
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Cheap flight deals from Seattle to Barcelona

Cheapest flights from Seattle to Barcelona
Explore the most affordable flight options available from Seattle to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.

This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:55 pm
SEA
-
BCN
2 stops32h 50m
Scandinavian Airlines
Fri 9/1810:25 am
BCN
-
SEA
1 stop36h 20m
Scandinavian Airlines
Deal found 4/13$657
This oojo deal was found by Cheapflights users on 4/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:10 pm
SEA
-
BCN
1 stop19h 00m
Condor
Sun 8/305:00 pm
BCN
-
SEA
1 stop32h 10m
Condor
Deal found 4/15$660
This FlightHub deal was found by Cheapflights users on 4/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:10 pm
SEA
-
BCN
1 stop33h 20m
Turkish Airlines
Fri 9/1112:10 pm
BCN
-
SEA
1 stop38h 05m
Turkish Airlines
Deal found 4/14$661
This oojo deal was found by Cheapflights users on 4/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:55 pm
SEA
-
BCN
1 stop32h 50m
Scandinavian Airlines
Sat 9/197:00 pm
BCN
-
SEA
1 stop27h 45m
Scandinavian Airlines
Deal found 4/12$662
This FlightHub deal was found by Cheapflights users on 4/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:10 pm
SEA
-
BCN
1 stop33h 20m
Turkish Airlines
Thu 9/2412:10 pm
BCN
-
SEA
1 stop38h 05m
Turkish Airlines
Deal found 4/14$664
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:00 pm
SEA
-
BCN
1 stop19h 10m
Condor
Sun 8/305:00 pm
BCN
-
SEA
1 stop32h 10m
Condor
Deal found 4/12$665
This oojo deal was found by Cheapflights users on 4/16. 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.
Thu 4/306:05 pm
SEA
-
BCN
1 stop19h 05m
Condor
Tue 5/58:00 am
BCN
-
SEA
1 stop16h 40m
Condor
Deal found 4/16$668
This Booking.com deal was found by Cheapflights users on 4/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:10 pm
SEA
-
BCN
1 stop33h 20m
Turkish Airlines
Thu 9/107:40 am
BCN
-
SEA
1 stop18h 35m
Turkish Airlines
Deal found 4/12$671
This Justfly.com deal was found by Cheapflights users on 4/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:35 pm
SEA
-
BCN
1 stop20h 05m
Turkish Airlines
Wed 9/212:10 pm
BCN
-
SEA
1 stop31h 30m
Turkish Airlines
Deal found 4/13$673
This Booking.com deal was found by Cheapflights users on 4/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:55 pm
SEA
-
BCN
2 stops32h 50m
Scandinavian Airlines
Fri 9/1810:25 am
BCN
-
SEA
1 stop36h 20m
Scandinavian Airlines
Deal found 4/12$675
This KAYAK deal was found by Cheapflights users on 4/13. 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
-
BCN
1 stop17h 15m
Scandinavian Airlines
Mon 9/1410:35 am
BCN
-
SEA
2 stops44h 30m
Scandinavian Airlines
Deal found 4/13$680
This Iberia deal was found by Cheapflights users on 4/12. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/301:30 pm
SEA
-
REU
2 stops35h 25m
Iberia
Tue 8/189:15 am
REU
-
SEA
2 stops42h 10m
Iberia
Deal found 4/12$2,479

Find flight deals from Seattle to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2026.

Round-trip from

$657
(CheapOair)

One-way from

$264
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$752
From Seattle/Tacoma Intl to Barcelona
One-way flight from Seattle/Tacoma Intl to Barcelona
Highest demand for flights based on searches. 21% potential increase in price ($209 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 April 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Barcelona 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 April 17, 2026.
Use the filters below to find and compare flights from Seattle to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 7/10

6:00 pm-4:05 pm

1 stop13h 05m

Barcelona-El Prat

Sun 8/30

8:00 am-6:56 pm

2 stops19h 56m

$930

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 8/4

7:15 am-8:45 am

1 stop16h 30m

Barcelona-El Prat

Wed 8/19

1:20 pm-3:45 pm

Nonstop11h 25m

$1,025

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 8/4

3:35 pm-11:10 am

Nonstop10h 35m

Barcelona-El Prat

Tue 8/18

7:45 pm-11:37 am

1 stop24h 52m

$1,026

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 8/4

11:52 pm-8:20 am

2 stops23h 28m

Barcelona-El Prat

Tue 8/18

1:15 pm-3:36 pm

2 stops35h 21m

$1,028

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Mon 6/29

6:10 pm-10:10 pm

1 stop19h 00m

Barcelona-El Prat

Thu 7/23

8:00 am-4:00 pm

1 stop17h 00m

$1,044

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 7/28

3:35 pm-11:10 am

Nonstop10h 35m

Barcelona-El Prat

Tue 8/11

12:20 pm-5:34 pm

1 stop14h 14m

$1,049

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 6/30

6:05 pm-10:10 pm

1 stop19h 05m

Barcelona-El Prat

Fri 7/24

5:00 pm-4:00 pm

1 stop32h 00m

$1,065

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 5/20

3:32 pm-10:10 pm

2 stops21h 38m

Barcelona-El Prat

Mon 5/25

8:00 am-6:54 pm

2 stops19h 54m

$1,070
Quickest round-trip

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 8/6

3:35 pm-11:10 am

Nonstop10h 35m

Barcelona-El Prat

Fri 8/28

1:20 pm-3:45 pm

Nonstop11h 25m

$1,071

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 8/7

1:30 pm-3:35 pm

1 stop17h 05m

Barcelona-El Prat

Fri 8/28

1:20 pm-3:45 pm

Nonstop11h 25m

$1,075

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Showing 1-10 of 24 resultsSorted by cheapest first
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2
3

Best time to book a flight from Seattle to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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 Barcelona

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Barcelona. Price data was last updated on April 10, 2026.

To ensure you get the cheapest price possible for a flight from Seattle to Barcelona, you should look to book at least 47 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Barcelona (average of $351). Flying from Seattle to Barcelona in June is currently the most expensive (average of $653). 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.

How much does it cost to fly round-trip from Seattle to Barcelona?

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. 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 Barcelona. Reviews last updated April 17, 2026.
Read through reviews of airlines operating flights from Seattle to Barcelona, such as Delta,Icelandair, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Barcelona. 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 Barcelona?

    For a flight from Seattle to Barcelona, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to Barcelona per day. 14 airlines have flights to Barcelona from Seattle/Tacoma Intl on a regular basis.

  • How long is the flight from Seattle to Barcelona?

    Departing from Seattle to Barcelona will take you 10h 35m. The distance from Seattle to Barcelona is about 5421 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Seattle to Barcelona round-trip?

    Our cheapest airline available from Seattle to Barcelona is Icelandair. Our recent data shows that you can find tickets from as low as $367 on this airline. Additional options worth looking into are Scandinavian Airlines and Air Canada, starting at $461 and $478 round-trip. Users have found that Icelandair is 51% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $288. However, be on the lookout for offers from Scandinavian Airlines and WestJet, as they are both options that can get you from Seattle to Barcelona for a low price.

  • What are the cheapest flights from Seattle to Barcelona?

    On average you can expect to pay $1,354 for a flight from Seattle to Barcelona. The cheapest flight overall is $352 while the most popular route, (Seattle/Tacoma Intl - Barcelona-El Prat) is currently priced at $612.

  • Where are the most common layover locations when flying from Seattle to Barcelona?

  • What are some popular things to do or see while on a layover in Frankfurt am Main?

    Most Frankfurt am Main visitors opt to spend their time experiencing Römerberg, Oper Frankfurt, and Festhalle. Römerberg, Oper Frankfurt and Festhalle are located about 7.4 mi, 7.0 mi, and 6.5 mi, respectively from Frankfurt am Main if you are interested in checking them out. Those on a layover in Frankfurt am Main in need of a rental car can book one at Frankfurt am Main for about $39.

  • What are some popular points of interest to see during a layover in London?

    Most London visitors opt to spend their time at Hyde Park, Buckingham Palace, and Piccadilly Circus. Those on a layover in London interested in visiting Hyde Park, Buckingham Palace, or Piccadilly Circus can do so by traveling 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Those landing in London looking to spend some time exploring during their layover can rent a car for about $38 per day.

  • What are points of interest worth seeing during a layover in Reykjavik?

    The majority of Reykjavik visitors spend their time at Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool. Those on a layover in Reykjavik interested in visiting Hallgrímskirkja, Harpa, or Laugardalslaug Geothermal Pool can do so by traveling 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $59 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Seattle to Barcelona flights?

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to Barcelona (average of $351). Flying from Seattle to Barcelona in June is currently the most expensive (average of $653). 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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Alternative routes for Seattle to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Seattle to Barcelona

Discover the top 10 airlines that operate flights from Seattle to Barcelona. 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 April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$367Average$521FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$461Average$558FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$478Average$667FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$480Average$791FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$481Average$764FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$482Average$825FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$484Average$749FlexibilityNo cancel feeOn-time70%
DeltaCheapest$486Average$1,077FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$488Average$715FlexibilityNo cancel feeOn-timeN/A
CondorCheapest$582Average$744FlexibilityNo cancel feeOn-time76%

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