Barcelona

$236+ Cheap flights from Washington, D.C. (WAS) 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BCN
Aug 19 — Aug 261
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Cheapflights Tip: The best prices from Washington, D.C. to Barcelona are usually found in February or January, booked 56 days in advance, depart on a Monday or Sunday and return on a Wednesday

Cheap flight deals from Washington, D.C. to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 August 14, 2025.

Round-trip from

$394
(Booking.com)

One-way from

$236
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$718
From Washington, D.C. (WAS) to Barcelona
One-way flight from Washington, D.C. (WAS) to Barcelona
Highest demand for flights based on searches. 16% potential increase in price ($162 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from Washington, D.C. to Barcelona

Cheapest flights from Washington, D.C. to Barcelona
Explore the most affordable flight options available from Washington, D.C. to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Booking.com deal was found by Cheapflights users on 8/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:50 pmBWI - BCN
1 stop20h 50mPLAY
Fri 10/1710:40 pmBCN - BWI
1 stop25h 00mPLAY
Deal found 8/14$394
This CheapOair deal was found by Cheapflights users on 8/13. 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.
Sun 10/56:50 pmBWI - BCN
1 stop20h 50mPLAY
Wed 10/2210:40 pmBCN - BWI
1 stop25h 00mPLAY
Deal found 8/13$416
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:15 amBWI - BCN
2 stops19h 35mUnited Airlines
Fri 9/512:10 pmBCN - BWI
2 stops31h 38mUnited Airlines
Deal found 8/12$461
This oojo deal was found by Cheapflights users on 8/13. 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.
Wed 10/298:40 pmBWI - BCN
1 stop11h 40mIcelandair
Tue 11/411:50 amBCN - BWI
1 stop12h 50mIcelandair
Deal found 8/13$462
This FlightHub deal was found by Cheapflights users on 8/14. 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.
Wed 11/57:40 pmBWI - BCN
1 stop11h 40mIcelandair
Tue 11/1111:50 amBCN - BWI
1 stop12h 50mIcelandair
Deal found 8/14$465
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/265:20 pmBWI - BCN
2 stops58h 00mUnited Airlines
Fri 10/312:10 pmBCN - BWI
2 stops39h 12mUnited Airlines
Deal found 8/11$467
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:29 amBWI - BCN
2 stops44h 51mUnited Airlines
Thu 10/161:15 pmBCN - BWI
2 stops38h 07mUnited Airlines
Deal found 8/13$474
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:15 amIAD - BCN
2 stops19h 35mUnited Airlines
Tue 10/71:15 pmBCN - IAD
2 stops28h 18mUnited Airlines
Deal found 8/14$480
This Gurufare deal was found by Cheapflights users on 8/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:40 pmBWI - BCN
1 stop11h 40mIcelandair
Tue 11/2511:50 amBCN - BWI
1 stop12h 50mIcelandair
Deal found 8/14$480
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2411:10 amDCA - BCN
2 stops14h 40mUnited Airlines
Thu 10/91:15 pmBCN - DCA
1 stop12h 29mUnited Airlines
Deal found 8/13$480
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Wed 10/158:45 pmIAD - BCN
1 stop11h 20mSWISS
Tue 10/219:40 amBCN - IAD
1 stop12h 35mSWISS
Deal found 8/12$481
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:20 amIAD - BCN
2 stops15h 30mAir Canada
Thu 10/1612:10 pmBCN - IAD
2 stops27h 28mAir Canada
Deal found 8/13$482

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 August 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Barcelona that are best for you.

Fly from

Washington, D.C.

Fly to

Barcelona

Route

Depart

Return

Price

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Wed 11/12

7:40 pm-1:20 pm

1 stop11h 40m

Barcelona-El Prat

Tue 11/18

11:50 am-6:40 pm

1 stop12h 50m

$461

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Wed 11/12

10:56 am-1:05 pm

1 stop20h 09m

Barcelona-El Prat

Tue 11/18

1:35 pm-9:24 pm

2 stops37h 49m

$461

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Wed 11/12

6:15 am-9:35 am

2 stops21h 20m

Barcelona-El Prat

Tue 11/18

1:35 pm-5:14 pm

2 stops33h 39m

$461

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Mon 11/17

6:15 am-9:35 am

2 stops21h 20m

Barcelona-El Prat

Thu 11/20

1:35 pm-5:14 pm

2 stops33h 39m

$461

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Tue 11/11

5:12 pm-1:05 pm

1 stop13h 53m

Barcelona-El Prat

Tue 11/18

1:35 pm-5:14 pm

2 stops33h 39m

$461

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Tue 10/28

10:56 am-1:05 pm

1 stop21h 09m

Barcelona-El Prat

Wed 11/12

1:35 pm-5:14 pm

2 stops33h 39m

$461

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Mon 11/3

6:15 am-1:05 pm

1 stop24h 50m

Barcelona-El Prat

Tue 11/25

1:35 pm-9:24 pm

2 stops37h 49m

$461

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Fri 9/26

5:20 pm-9:20 am

2 stops58h 00m

Barcelona-El Prat

Fri 10/3

12:10 pm-9:22 pm

2 stops39h 12m

$467

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Tue 10/14

5:20 pm-7:50 am

2 stops32h 30m

Barcelona-El Prat

Tue 10/21

1:15 pm-5:26 pm

2 stops34h 11m

$467

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Mon 10/13

6:29 am-9:20 am

2 stops44h 51m

Barcelona-El Prat

Thu 10/16

1:15 pm-9:22 pm

2 stops38h 07m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 55 results
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Best time to book a flight from Washington, D.C. to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona from Washington, D.C. 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, D.C. to Barcelona

How far ahead should I book a flight from Washington, D.C. to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Barcelona. Price data was last updated on August 8, 2025.

The price you pay for your flight from Washington, D.C. to Barcelona may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. to Barcelona?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Barcelona (average of $523). Flying from Washington, D.C. to Barcelona in June is currently the most expensive (average of $1,057). 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 WAS to BCN?

Find hourly flight availability from Washington, D.C. 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 August 14, 2025.

It’s optimal to fly from Washington, D.C. to Barcelona in the morning. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Washington, D.C. to Barcelona?

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

Travelers seeking maximum savings on their Washington, D.C. to Barcelona flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Barcelona

Explore weekly flight availability from Washington, D.C. to Barcelona. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 14, 2025.

The most flights from WAS to S37 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Washington, D.C. 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 August 14, 2025.
Get a feel of what it's like to fly with United Airlines, Aer Lingus, and TAP AIR PORTUGAL from Washington, D.C. to Barcelona by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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 flying from Washington, D.C. to Barcelona round-trip?

    Flying on Icelandair is currently your cheapest option to Barcelona, with prices starting at $384. Additional round-trip tickets that might be worth considering are offered by Scandinavian Airlines and TAP AIR PORTUGAL, with the lowest prices starting at $409 and $417, respectively. Users have found that Icelandair is 52% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. to Barcelona one-way?

    One-way options have recently been found by users for as low as $294 on Turkish Airlines. Other airlines that offer cheap prices include Air Canada from $376 and United Airlines from $379 one-way.

  • What are the most popular routes from Washington, D.C. to Barcelona?

  • What are the most reliable airlines from Washington, D.C. to Barcelona?

    Before booking your flight to Barcelona from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Air Canada (37%), United Airlines (37%), Lufthansa( 37%).

  • What are the cheapest flights from Washington, D.C. to Barcelona?

    While on average a flight from Washington, D.C. to Barcelona is generally $2,155, our data shows the cheapest flight currently is $394. When looking at the most popular route, (Washington, D.C. Dulles Intl - Barcelona-El Prat), you can expect to pay $373 for that flight.

  • Where are the most common layover locations when flying from Washington, D.C. to Barcelona?

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

    Puerta del Sol, Plaza Mayor, and Spain Building are currently the most popular points of interest in Madrid at the moment. Puerta del Sol, Plaza Mayor, and Spain Building can be visited by traveling about 8.4 mi, 8.6 mi, and 8.5 mi respectively from Madrid Barajas. Those on a layover in Madrid in need of a rental car can book one at Madrid Barajas for about $30.

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

    Lisbon travelers tend to visit Chiado, Praça do Marquês de Pombal, and Londres more than any other notable places. Travelers on a layover in Lisbon can visit Chiado, Praça do Marquês de Pombal, and Londres, by traveling 4.5 mi, 3.6 mi, and 2.3 mi, respectively after landing at Lisbon Humberto Delgado. Travelers in need of a car in Lisbon can rent one for about $32 per day.

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

    Hyde Park, Buckingham Palace, and Piccadilly Circus are the most popular attractions in London if you're in need of something to do during your layover. Hyde Park, Buckingham Palace, and Piccadilly Circus can be accessed by traveling approximately 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Travelers can book a car rental at London Heathrow for about $48 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Washington, D.C. to Barcelona flights?

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

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

  • How can I find direct flights from Washington, D.C. to Barcelona?

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

  • Can I find deals for business class flights from Washington, D.C. to Barcelona?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Barcelona?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Barcelona (average of $523). Flying from Washington, D.C. to Barcelona in June is currently the most expensive (average of $1,057). 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, D.C. to Barcelona

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

Top 10 airlines flying from Washington, D.C. to Barcelona

Discover the top 10 airlines that operate flights from Washington, D.C. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$302Average$443FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$384Average$609FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$409Average$580FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$417Average$676FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$468Average$935FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$483Average$736FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$490Average$1,171FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$498Average$816FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$500Average$881FlexibilityNo cancel feeOn-time77%
KLMCheapest$513Average$926FlexibilityNo cancel feeOn-time75%

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