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$361+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BCN
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Round-trip from

$640
(Scandinavian Airlines)

One-way from

$361
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$819
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. 23% potential increase in price ($278 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This Delta deal was found by Cheapflights users on 4/23. 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.
Sat 11/19:20 pmSEA - BCN
1 stop27h 20mDelta
Wed 11/1210:55 amBCN - SEA
1 stop22h 19mDelta
Deal found 4/23$629
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Fri 11/72:35 pmSEA - BCN
1 stop13h 35mIcelandair
Fri 11/1411:45 amBCN - SEA
1 stop14h 15mIcelandair
Deal found 4/23$633
This FlightHub deal was found by Cheapflights users on 4/23. 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 11/13:10 pmSEA - BCN
2 stops34h 25mMultiple Airlines
Mon 11/108:05 pmBCN - SEA
2 stops33h 44mMultiple Airlines
Deal found 4/23$635
This Scandinavian Airlines deal was found by Cheapflights users on 4/23. 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 8/174:00 pmSEA - BCN
1 stop17h 10mScandinavian Airlines
Tue 9/307:00 pmBCN - SEA
2 stops37h 24mScandinavian Airlines
Deal found 4/23$640
This FlightHub deal was found by Cheapflights users on 4/24. 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.
Mon 9/227:35 pmSEA - BCN
1 stop17h 50mAer Lingus
Fri 9/2611:00 amBCN - SEA
1 stop15h 50mAer Lingus
Deal found 4/24$642
This United Airlines deal was found by Cheapflights users on 4/23. 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 10/175:15 amGEG - BCN
2 stops23h 00mUnited Airlines
Fri 10/2412:15 pmBCN - GEG
2 stops32h 12mUnited Airlines
Deal found 4/23$654
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:57 amSEA - BCN
1 stop15h 13mIberia
Wed 9/2412:20 pmBCN - SEA
1 stop17h 53mIberia
Deal found 4/23$655
This Air Canada deal was found by Cheapflights users on 4/23. 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.
Thu 10/305:50 amSEA - BCN
2 stops18h 45mAir Canada
Tue 11/111:35 pmBCN - SEA
2 stops28h 41mAir Canada
Deal found 4/23$658
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/171:55 pmSEA - BCN
2 stops24h 10mLufthansa
Thu 9/256:50 amBCN - SEA
2 stops16h 26mLufthansa
Deal found 4/24$661
This United Airlines deal was found by Cheapflights users on 4/23. 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 10/302:07 pmSEA - BCN
1 stop14h 58mUnited Airlines
Tue 11/113:05 pmBCN - SEA
1 stop16h 24mUnited Airlines
Deal found 4/23$672
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Tue 7/151:30 pmSEA - BCN
1 stop13h 25mAmerican Airlines
Tue 9/2312:20 pmBCN - SEA
1 stop17h 53mAmerican Airlines
Deal found 4/24$681
This FlightHub deal was found by Cheapflights users on 4/23. 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 8/1212:30 pmSEA - BCN
1 stop19h 35mTurkish Airlines
Thu 8/2112:00 pmBCN - SEA
1 stop38h 15mTurkish Airlines
Deal found 4/23$700

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 April 24, 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

Sun 8/17

4:00 pm-6:10 pm

1 stop17h 10m

Barcelona-El Prat

Mon 9/29

7:00 pm-8:50 pm

2 stops34h 50m

$640

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Mon 9/22

7:35 pm-10:25 pm

1 stop17h 50m

Barcelona-El Prat

Fri 9/26

11:00 am-5:50 pm

1 stop15h 50m

$642

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Fri 10/17

5:15 am-1:15 pm

2 stops23h 00m

Barcelona-El Prat

Fri 10/24

12:15 pm-11:27 am

2 stops32h 12m

$654

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Mon 9/15

9:57 am-10:10 am

1 stop15h 13m

Barcelona-El Prat

Wed 9/24

12:20 pm-9:13 pm

1 stop17h 53m

$655

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 9/26

7:20 am-7:50 am

1 stop15h 30m

Barcelona-El Prat

Wed 10/8

12:10 pm-7:31 pm

1 stop16h 21m

$658

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 9/17

1:55 pm-11:05 pm

2 stops24h 10m

Barcelona-El Prat

Thu 9/25

6:50 am-2:16 pm

2 stops16h 26m

$661

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 7/15

7:20 am-7:50 am

1 stop15h 30m

Barcelona-El Prat

Tue 9/23

12:10 pm-5:51 pm

2 stops38h 41m

$680

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 7/15

1:30 pm-11:55 am

1 stop13h 25m

Barcelona-El Prat

Tue 9/23

12:20 pm-9:13 pm

1 stop17h 53m

$681

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 8/13

6:00 am-7:15 am

1 stop16h 15m

Barcelona-El Prat

Fri 9/26

9:30 am-10:13 pm

1 stop21h 43m

$682

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 8/12

12:30 pm-5:05 pm

1 stop19h 35m

Barcelona-El Prat

Thu 8/21

12:00 pm-5:15 pm

1 stop38h 15m

$700

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 59 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 $1,079). 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 April 24, 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.

Rainfall in Barcelona by month

Plan your trip to Barcelona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona when rainfall is around 0.8 in.

Temperature in Barcelona by month

Plan your trip to Barcelona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 24, 2025.
Read through reviews of airlines operating flights from Washington to Barcelona, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,442 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 $388. WestJet flights start at $412 while deals on Aer Lingus start at $450 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 $523). Flying from State of Washington to Barcelona in June is currently the most expensive (average of $1,079). 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.
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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$416Average$642FlexibilityNo cancel feeOn-time76%
WestJetCheapest$445Average$906FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$489Average$650FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$502Average$794FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$507Average$811FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$510Average$848FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$553Average$1,022FlexibilityNo cancel feeOn-time69%
KLMCheapest$568Average$866FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$578Average$852FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$581Average$909FlexibilityNo cancel feeOn-time76%

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