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$243+ Cheap flights from Washington 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BCN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Washington to Barcelona

Keep the following information in mind while searching for Washington to Barcelona flight deals. Data was last updated September 16, 2025.

Round-trip from

$449
(oojo)

One-way from

$243
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$742
From Washington to Barcelona
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One-way flight from Washington to Barcelona
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Highest demand for flights based on searches. 25% potential increase in price ($282 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Washington to Barcelona

Cheapest flights from Washington to Barcelona
Explore the most affordable flight options available from Washington to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This oojo deal was found by Cheapflights users on 9/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/123:45 pmSEA - BCN
1 stop14h 00mIcelandair
Wed 10/223:45 pmBCN - SEA
1 stop13h 55mIcelandair
Deal found 9/13$449
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:00 pmSEA - BCN
1 stop34h 45mIcelandair
Wed 10/223:45 pmBCN - SEA
1 stop13h 55mIcelandair
Deal found 9/14$451
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Sat 10/187:00 pmSEA - BCN
1 stop34h 45mIcelandair
Sat 10/253:45 pmBCN - SEA
1 stop13h 55mIcelandair
Deal found 9/14$454
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:35 pmSEA - BCN
1 stop17h 50mAer Lingus
Wed 10/2211:00 amBCN - SEA
1 stop15h 50mAer Lingus
Deal found 9/15$487
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:15 amPDX - BCN
2 stops18h 05mAir Canada
Tue 10/2112:10 pmBCN - PDX
2 stops35h 36mAir Canada
Deal found 9/15$492
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/53:45 pmSEA - BCN
1 stop14h 00mIcelandair
Sat 10/113:45 pmBCN - SEA
1 stop13h 55mIcelandair
Deal found 9/13$494
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:50 pmSEA - BCN
1 stop18h 40mBritish Airways
Tue 12/1612:30 pmBCN - SEA
1 stop18h 20mBritish Airways
Deal found 9/14$496
This British Airways deal was found by Cheapflights users on 9/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:09 amSEA - BCN
1 stop15h 01mBritish Airways
Wed 10/810:45 amBCN - SEA
1 stop22h 42mBritish Airways
Deal found 9/15$499
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/283:35 pmSEA - BCN
2 stops17h 15mMultiple Airlines
Tue 11/45:45 amBCN - SEA
2 stops20h 15mMultiple Airlines
Deal found 9/15$501
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/201:02 pmSEA - BCN
1 stop36h 28mBritish Airways
Tue 10/710:45 amBCN - SEA
1 stop19h 01mBritish Airways
Deal found 9/14$504
This oojo deal was found by Cheapflights users on 9/15. 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.
Sat 10/112:52 pmSEA - BCN
1 stop34h 38mBritish Airways
Wed 10/222:00 pmBCN - SEA
1 stop17h 16mBritish Airways
Deal found 9/15$505
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:00 pmPDX - BCN
2 stops53h 35mAir Canada
Thu 1/151:35 pmBCN - PDX
2 stops38h 21mAir Canada
Deal found 9/15$505

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 September 16, 2025.
Use the filters below to find and compare flights from Washington to Barcelona that are best for you.

Fly from

Washington

Fly to

Barcelona

Route

Depart

Return

Price

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 11/27

7:10 am-6:20 pm

2 stops26h 10m

Barcelona-El Prat

Fri 12/5

7:10 pm-10:00 pm

2 stops35h 50m

$509

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 2/20

10:55 am-6:20 pm

2 stops22h 25m

Barcelona-El Prat

Sun 3/1

7:10 pm-6:56 pm

2 stops32h 46m

$509

PortlandBarcelona

PDX - BCN

PDXBCN

Portland

Sat 10/4

5:15 pm-7:50 am

2 stops29h 35m

Barcelona-El Prat

Tue 10/14

12:10 pm-6:31 pm

2 stops39h 21m

$510

PortlandBarcelona

PDX - BCN

PDXBCN

Portland

Tue 10/14

7:30 am-2:00 pm

1 stop21h 30m

Barcelona-El Prat

Fri 10/24

12:10 pm-10:30 pm

2 stops43h 20m

$510

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 11/9

7:10 am-6:20 pm

2 stops26h 10m

Barcelona-El Prat

Sun 11/23

7:10 pm-10:00 pm

2 stops35h 50m

$513

PortlandBarcelona

PDX - BCN

PDXBCN

Portland

Mon 3/2

11:55 pm-8:20 am

2 stops23h 25m

Barcelona-El Prat

Thu 3/12

12:35 pm-10:08 pm

2 stops41h 33m

$514

PortlandBarcelona

PDX - BCN

PDXBCN

Portland

Fri 10/3

11:05 am-7:50 am

2 stops59h 45m

Barcelona-El Prat

Tue 10/14

12:10 pm-6:31 pm

2 stops39h 21m

$515

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 11/11

7:30 am-6:20 pm

2 stops25h 50m

Barcelona-El Prat

Thu 11/20

7:10 pm-11:58 pm

2 stops37h 48m

$521

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 11/9

12:20 pm-6:20 pm

2 stops45h 00m

Barcelona-El Prat

Sat 11/22

7:10 pm-11:58 pm

2 stops37h 48m

$521

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 11/11

7:30 am-6:20 pm

2 stops25h 50m

Barcelona-El Prat

Sun 11/23

7:10 pm-7:00 pm

2 stops32h 50m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 46 results
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Best time to book a flight from Washington to Barcelona

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

What is the cheapest month to book a flight from State of Washington to Barcelona?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Barcelona (average of $523). Flying from State of Washington to Barcelona in June is currently the most expensive (average of $1,059). 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 WA to BCN?

Find hourly flight availability from Washington to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Barcelona as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Washington to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from State of Washington to Barcelona?

    A quick flight from State of Washington to Barcelona can take about 19h. Scandinavian Airlines provides one of the quickest options available for as low as $689. The distance between State of Washington and Barcelona is about 5267 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from State of Washington to Barcelona?

    The most popular flight routes from State of Washington to Barcelona are Seattle/Tacoma Intl - Barcelona-El Prat, Portland - Barcelona-El Prat and Spokane - Barcelona-El Prat.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Barcelona?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Barcelona (average of $523). Flying from State of Washington to Barcelona in June is currently the most expensive (average of $1,059). 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.

Alternative routes for Washington to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Barcelona-El Prat flights
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Top 10 airlines flying from Washington to Barcelona

Discover the top 10 airlines that operate flights from Washington 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$388Average$604FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$465Average$576FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$478Average$711FlexibilityNo cancel feeOn-time67%
Aer LingusCheapest$498Average$746FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$501Average$1,004FlexibilityNo cancel feeOn-time69%
IberiaCheapest$507Average$810FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$552Average$778FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$567Average$860FlexibilityNo cancel feeOn-time76%
KLMCheapest$574Average$887FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$587Average$915FlexibilityNo cancel feeOn-time71%

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