HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona

$346+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BCN
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Barcelona 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 Washington to Barcelona

Keep the following information in mind while searching for Washington to Barcelona flight deals. Data was last updated April 3, 2025.

Round-trip from

$584
(Mytrip)

One-way from

$346
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$816
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 ($287 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 3, 2025.

This Mytrip deal was found by Cheapflights users on 4/1. 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 4/273:45 pmSEA - BCN
2 stops19h 45mMultiple Airlines
Sat 5/105:50 amBCN - SEA
2 stops23h 50mMultiple Airlines
Deal found 4/1$584
This Expedia deal was found by Cheapflights users on 3/31. 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 10/136:45 pmSEA - BCN
1 stop18h 40mAer Lingus
Wed 10/2211:00 amBCN - SEA
1 stop14h 59mAer Lingus
Deal found 3/31$585
This Scandinavian Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 9/194:20 pmSEA - BCN
1 stop16h 50mScandinavian Airlines
Tue 10/77:00 pmBCN - SEA
1 stop28h 00mScandinavian Airlines
Deal found 4/1$586
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Sun 10/128:20 pmSEA - BCN
1 stop14h 10mAmerican Airlines
Wed 10/2210:45 amBCN - SEA
1 stop21h 27mAmerican Airlines
Deal found 4/1$590
This Lufthansa deal was found by Cheapflights users on 4/1. 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.
Tue 12/233:05 pmSEA - BCN
2 stops33h 45mLufthansa
Tue 1/135:50 amBCN - SEA
2 stops16h 30mLufthansa
Deal found 4/1$591
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Tue 12/236:13 pmSEA - BCN
3 stops33h 57mUnited Airlines
Tue 1/1312:15 pmBCN - SEA
2 stops36h 58mUnited Airlines
Deal found 4/1$607
This Icelandair deal was found by Cheapflights users on 4/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/73:45 pmSEA - BCN
1 stop14h 00mIcelandair
Wed 5/283:45 pmBCN - SEA
1 stop13h 55mIcelandair
Deal found 4/1$608
This Priceline deal was found by Cheapflights users on 4/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/273:13 pmSEA - BCN
2 stops18h 47mBritish Airways
Mon 11/38:55 pmBCN - SEA
1 stop23h 25mBritish Airways
Deal found 4/1$609
This Delta deal was found by Cheapflights users on 4/1. 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.
Sun 10/1211:25 amSEA - BCN
2 stops18h 25mDelta
Wed 10/229:30 amBCN - SEA
1 stop21h 43mDelta
Deal found 4/1$610
This Justfly.com deal was found by Cheapflights users on 4/1. 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.
Tue 10/211:45 pmSEA - BCN
2 stops33h 05mAir Canada
Tue 11/412:15 pmBCN - SEA
2 stops30h 35mAir Canada
Deal found 4/1$627
This Travelocity deal was found by Cheapflights users on 3/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/58:20 pmSEA - BCN
1 stop17h 20mIberia
Fri 6/67:40 amBCN - SEA
1 stop19h 40mIberia
Deal found 3/31$648
This StudentUniverse deal was found by Cheapflights users on 3/31. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/209:55 amSEA - BCN
1 stop15h 15mFinnair
Fri 9/510:05 amBCN - SEA
2 stops21h 50mFinnair
Deal found 3/31$692

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 3, 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 4/27

3:45 pm-8:30 pm

2 stops19h 45m

Barcelona-El Prat

Sat 5/10

5:50 am-8:40 pm

2 stops23h 50m

$584

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 9/19

4:20 pm-6:10 pm

1 stop16h 50m

Barcelona-El Prat

Tue 10/7

7:00 pm-2:00 pm

1 stop28h 00m

$586

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 5/7

3:45 pm-2:45 pm

1 stop14h 00m

Barcelona-El Prat

Wed 5/28

3:45 pm-8:40 pm

1 stop13h 55m

$608

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Mon 5/5

8:20 pm-10:40 pm

1 stop17h 20m

Barcelona-El Prat

Fri 6/6

7:40 am-6:20 pm

1 stop19h 40m

$648

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 4/30

6:45 pm-10:25 pm

1 stop18h 40m

Barcelona-El Prat

Wed 5/7

11:00 am-4:59 pm

1 stop14h 59m

$683

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 9/24

8:20 pm-10:45 pm

1 stop17h 25m

Barcelona-El Prat

Fri 10/3

12:20 pm-10:56 pm

1 stop19h 36m

$689

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 4/15

1:30 pm-1:15 pm

1 stop14h 45m

Barcelona-El Prat

Wed 4/23

10:45 am-11:09 pm

1 stop21h 24m

$690

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 8/20

7:20 am-7:15 am

1 stop14h 55m

Barcelona-El Prat

Fri 8/29

11:35 am-10:22 pm

1 stop19h 47m

$691

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 8/20

9:55 am-10:10 am

1 stop15h 15m

Barcelona-El Prat

Fri 9/5

10:05 am-10:55 pm

2 stops21h 50m

$692

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 9/3

7:10 pm-5:05 pm

1 stop36h 55m

Barcelona-El Prat

Fri 9/12

12:00 pm-10:35 am

1 stop31h 35m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 60 results
1
2
3
...
6

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 3, 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 3, 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
7,897 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

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.
Austrian Airlines
7.6
Good
771 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
1,574 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

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 WestJet, which is currently one of the cheapest options available, starting at $381. Turkish Airlines flights start at $471 while deals on Iberia start at $491 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

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
Newark to Barcelona-El Prat flights
LaGuardia to Barcelona-El Prat flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Barcelona-El Prat flights
Miami to Barcelona-El Prat flights
O'Hare Intl to Barcelona-El Prat flights
Dulles Intl to Barcelona-El Prat flights
Dallas/Fort Worth to Barcelona-El Prat flights
Boston to Barcelona-El Prat flights
Atlanta to Barcelona-El Prat flights
Philadelphia to Barcelona-El Prat flights
Seattle to Barcelona-El Prat flights
Reagan-National to Barcelona-El Prat flights
Baltimore to Barcelona-El Prat flights
Midway to Barcelona-El Prat flights
Love Field to Barcelona-El Prat flights
Hobby to Barcelona-El Prat flights
Orlando to Barcelona-El Prat flights
Stewart to Barcelona-El Prat flights
Ontario to Barcelona-El Prat flights
Denver to Barcelona-El Prat flights
George Bush Intcntl to Barcelona-El Prat flights
Charlotte to Barcelona-El Prat flights
Austin to Barcelona-El Prat flights
Raleigh to Barcelona-El Prat flights
Sky Harbor Intl to Barcelona-El Prat flights
Minneapolis to Barcelona-El Prat flights
Tampa to Barcelona-El Prat flights
Portland to Barcelona-El Prat flights
Detroit to Barcelona-El Prat flights
Nashville to Barcelona-El Prat flights
Jacksonville to Barcelona-El Prat flights
Cleveland to Barcelona-El Prat flights
San Diego to Barcelona-El Prat flights
San Jose to Barcelona-El Prat flights
St. Louis to Barcelona-El Prat flights
Pittsburgh to Barcelona-El Prat flights
Cincinnati to Barcelona-El Prat flights
Fort Lauderdale to Barcelona-El Prat flights
Las Vegas to Barcelona-El Prat flights
Columbus to Barcelona-El Prat flights
Salt Lake City to Barcelona-El Prat flights
New Orleans to Barcelona-El Prat flights
White Plains to Barcelona-El Prat flights
Oakland to Barcelona-El Prat flights
Indianapolis to Barcelona-El Prat flights
San Antonio to Barcelona-El Prat flights
Kansas City to Barcelona-El Prat flights
West Palm Beach 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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$416Average$651FlexibilityNo cancel feeOn-time76%
WestJetCheapest$445Average$899FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$489Average$643FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$502Average$827FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$507Average$799FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$510Average$855FlexibilityNo cancel feeOn-time71%
KLMCheapest$540Average$863FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$553Average$937FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$579Average$881FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$588Average$935FlexibilityNo cancel feeOn-time76%

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.