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$274+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BCN
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap 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 December 21, 2025.

This United Airlines deal was found by Cheapflights users on 12/19. 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.
Thu 12/2512:54 pmPDX - BCN
2 stops35h 41mUnited Airlines
Wed 12/311:35 pmBCN - PDX
2 stops29h 26mUnited Airlines
Deal found 12/19$859
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Wed 12/242:45 pmPDX - BCN
2 stops32h 35mUnited Airlines
Wed 12/311:35 pmBCN - PDX
2 stops29h 26mUnited Airlines
Deal found 12/20$908
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Fri 12/197:10 amPDX - BCN
2 stops22h 05mUnited Airlines
Fri 12/2610:30 amBCN - PDX
2 stops32h 31mUnited Airlines
Deal found 12/18$914
This Kiwi.com deal was found by Cheapflights users on 12/20. 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.
Sun 12/282:35 pmSEA - BCN
2 stops18h 40mMultiple Airlines
Sun 2/222:05 pmBCN - SEA
1 stop29h 49mMultiple Airlines
Deal found 12/20$980
This FlightHub deal was found by Cheapflights users on 12/18. 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 12/277:00 pmPDX - BCN
2 stops30h 45mMultiple Airlines
Sat 1/107:50 pmBCN - PDX
2 stops35h 42mMultiple Airlines
Deal found 12/18$1,043
This United Airlines deal was found by Cheapflights users on 12/19. 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.
Fri 12/265:00 amPDX - BCN
2 stops19h 35mUnited Airlines
Wed 12/311:35 pmBCN - PDX
2 stops29h 26mUnited Airlines
Deal found 12/19$1,047
This Kiwi.com deal was found by Cheapflights users on 12/20. 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.
Thu 12/252:35 pmSEA - BCN
2 stops23h 15mMultiple Airlines
Sun 2/222:05 pmBCN - SEA
1 stop29h 49mMultiple Airlines
Deal found 12/20$1,077
This Trip.com deal was found by Cheapflights users on 12/20. 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 12/287:00 pmSEA - BCN
1 stop30h 40mTurkish Airlines
Sun 2/226:25 pmBCN - SEA
1 stop31h 40mTurkish Airlines
Deal found 12/20$1,101
This Booking.com deal was found by Cheapflights users on 12/19. 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.
Wed 12/243:15 pmPDX - BCN
2 stops57h 20mAir Canada
Wed 12/311:35 pmBCN - PDX
2 stops31h 23mAir Canada
Deal found 12/19$1,103
This Ovago deal was found by Cheapflights users on 12/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:47 pmPDX - BCN
2 stops22h 48mMultiple Airlines
Wed 12/3111:00 amBCN - PDX
2 stops33h 00mMultiple Airlines
Deal found 12/19$1,104
This Iberia deal was found by Cheapflights users on 12/20. 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 12/256:00 amSEA - BCN
2 stops21h 40mIberia
Sun 2/229:15 pmBCN - SEA
2 stops32h 01mIberia
Deal found 12/20$1,126
This Mytrip deal was found by Cheapflights users on 12/20. 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 12/268:10 amSEA - BCN
2 stops30h 49mMultiple Airlines
Sun 2/227:35 pmBCN - SEA
2 stops29h 05mMultiple Airlines
Deal found 12/20$1,140

Find flight deals from Washington to Barcelona

Keep the following information in mind while searching for Washington to Barcelona flight deals. Data was last updated December 21, 2025.

Round-trip from

$385
(oojo)

One-way from

$274
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$1,106
From Washington to Barcelona
Search Deals
One-way flight from Washington to Barcelona
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($279 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).
Search Deals
Average for round-trip flights in December 2025
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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 December 21, 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

Wed 2/4

2:35 pm-1:15 pm

1 stop13h 40m

Barcelona-El Prat

Sun 2/8

11:50 am-5:00 pm

1 stop14h 10m

$451

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 3/1

5:20 pm-9:35 am

2 stops31h 15m

Barcelona-El Prat

Tue 3/10

12:35 pm-11:49 am

2 stops31h 14m

$468

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Mon 2/16

11:59 pm-9:00 am

2 stops24h 01m

Barcelona-El Prat

Tue 3/17

12:35 pm-7:03 pm

2 stops38h 28m

$469

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Mon 1/19

5:12 pm-9:00 am

2 stops30h 48m

Barcelona-El Prat

Mon 1/26

1:35 pm-11:15 pm

2 stops42h 40m

$469

PortlandBarcelona

PDX - BCN

PDXBCN

Portland

Sat 3/7

10:19 pm-8:20 am

1 stop25h 01m

Barcelona-El Prat

Tue 3/17

12:35 pm-10:45 pm

2 stops42h 10m

$470

PortlandBarcelona

PDX - BCN

PDXBCN

Portland

Wed 1/21

5:50 am-8:00 am

2 stops17h 10m

Barcelona-El Prat

Fri 1/30

10:55 am-10:15 pm

1 stop20h 20m

$476

PortlandBarcelona

PDX - BCN

PDXBCN

Portland

Tue 1/20

5:00 pm-8:40 am

2 stops54h 40m

Barcelona-El Prat

Sat 1/31

10:15 am-8:25 pm

1 stop19h 10m

$476

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 2/19

8:17 am-8:20 am

1 stop15h 03m

Barcelona-El Prat

Thu 2/26

6:50 am-12:10 pm

1 stop14h 20m

$478

PortlandBarcelona

PDX - BCN

PDXBCN

Portland

Thu 1/22

11:10 am-2:00 pm

2 stops17h 50m

Barcelona-El Prat

Thu 1/29

10:15 am-8:25 pm

1 stop19h 10m

$480

PortlandBarcelona

PDX - BCN

PDXBCN

Portland

Tue 3/10

7:00 am-7:00 am

1 stop16h 00m

Barcelona-El Prat

Thu 3/19

11:10 am-12:25 pm

1 stop33h 15m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 45 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 $353). Flying from State of Washington to Barcelona in June is currently the most expensive (average of $864). 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 December 21, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 20% on flights from State of Washington to Barcelona by exploring options for tickets in the evening.

What is the cheapest day to fly from State of Washington to Barcelona?

Use this chart to determine the cheapest time to fly round-trip from Washington to Barcelona. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Barcelona flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 13h 40m. Icelandair provides one of the quickest options available for as low as $451. The distance between State of Washington and Barcelona 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 State of Washington to Barcelona one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $247. Scandinavian Airlines flights start at $302 while deals on SWISS start at $313 one-way.

  • 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 $353). Flying from State of Washington to Barcelona in June is currently the most expensive (average of $864). 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 Washington to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
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Pittsburgh to Barcelona-El Prat flights

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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$368Average$591FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$461Average$556FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$478Average$711FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$483Average$994FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$498Average$750FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$502Average$915FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$540Average$866FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$545Average$809FlexibilityNo cancel feeOn-time70%
IberiaCheapest$572Average$819FlexibilityNo cancel feeOn-time77%
DeltaCheapest$572Average$1,021FlexibilityNo cancel feeOn-timeN/A

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