Barcelona

$220+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BCN
Dec 17 — Dec 241
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Cheapflights Tip: The best prices from Washington, D.C. to Barcelona are usually found in November or January, booked 72 days in advance, depart on a Sunday or Monday and return on a Thursday

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 November 17, 2025.

Round-trip from

$375
(Flightnetwork)

One-way from

$220
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$595
From Washington, D.C. (WAS) to Barcelona
One-way flight from Washington, D.C. (WAS) to Barcelona
Highest demand for flights based on searches. 20% potential increase in price ($202 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in November 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 November 17, 2025.

This Flightnetwork deal was found by Cheapflights users on 11/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:40 pmBWI - BCN
1 stop11h 35mIcelandair
Sun 12/1411:50 amBCN - BWI
1 stop12h 50mIcelandair
Deal found 11/16$375
This FlightHub deal was found by Cheapflights users on 11/16. 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 12/107:40 pmBWI - BCN
1 stop12h 00mIcelandair
Fri 1/1611:50 amBCN - BWI
1 stop12h 50mIcelandair
Deal found 11/16$385
This Icelandair deal was found by Cheapflights users on 11/16. 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 12/107:40 pmBWI - BCN
1 stop12h 00mIcelandair
Tue 1/1311:50 amBCN - BWI
1 stop12h 50mIcelandair
Deal found 11/16$407
This Kiwi.com deal was found by Cheapflights users on 11/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:05 pmIAD - BCN
Nonstop8h 15mLufthansa
Tue 11/2512:50 pmBCN - IAD
1 stop13h 25mLufthansa
Deal found 11/15$462
This Trip.com deal was found by Cheapflights users on 11/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/164:10 pmDCA - BCN
1 stop11h 25mAir Canada
Tue 11/251:35 pmBCN - DCA
1 stop26h 51mAir Canada
Deal found 11/15$462
This Flightnetwork deal was found by Cheapflights users on 11/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:45 amIAD - BCN
1 stop17h 50mAir Canada
Tue 11/251:35 pmBCN - IAD
1 stop13h 19mAir Canada
Deal found 11/15$464
This oojo deal was found by Cheapflights users on 11/15. 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 11/295:30 pmIAD - BCN
1 stop12h 15mTAP AIR PORTUGAL
Fri 12/510:55 amBCN - IAD
1 stop16h 05mTAP AIR PORTUGAL
Deal found 11/15$465
This Booking.com deal was found by Cheapflights users on 11/16. 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 11/179:45 amIAD - BCN
1 stop17h 50mAir Canada
Tue 11/251:35 pmBCN - IAD
1 stop13h 19mAir Canada
Deal found 11/16$467
This Booking.com deal was found by Cheapflights users on 11/16. 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 11/174:10 pmDCA - BCN
1 stop11h 25mAir Canada
Tue 11/251:35 pmBCN - DCA
1 stop14h 21mAir Canada
Deal found 11/16$467
This Booking.com deal was found by Cheapflights users on 11/15. 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.
Wed 11/199:45 amIAD - BCN
1 stop17h 50mMultiple Airlines
Wed 11/2611:55 amBCN - IAD
1 stop14h 10mMultiple Airlines
Deal found 11/15$470
This oojo deal was found by Cheapflights users on 11/15. 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 12/65:30 pmIAD - BCN
1 stop20h 50mTAP AIR PORTUGAL
Sat 12/136:05 pmBCN - IAD
1 stop32h 55mTAP AIR PORTUGAL
Deal found 11/15$472
This Booking.com deal was found by Cheapflights users on 11/15. 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.
Wed 11/194:10 pmDCA - BCN
1 stop11h 25mAir Canada
Wed 11/269:55 amBCN - DCA
2 stops18h 01mAir Canada
Deal found 11/15$473

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 November 17, 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 12/10

7:40 pm-1:40 pm

1 stop12h 00m

Barcelona-El Prat

Tue 1/13

11:50 am-6:40 pm

1 stop12h 50m

$407

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Wed 1/28

10:05 am-9:35 am

2 stops17h 30m

Barcelona-El Prat

Tue 2/10

1:35 pm-9:21 pm

2 stops37h 46m

$481

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Sun 2/22

3:10 pm-9:00 am

1 stop11h 50m

Barcelona-El Prat

Thu 2/26

1:35 pm-9:58 pm

1 stop14h 23m

$494

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 12/31

6:00 am-9:35 am

2 stops21h 35m

Barcelona-El Prat

Fri 1/16

1:50 pm-8:15 pm

1 stop12h 25m

$496

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 12/31

6:50 pm-3:00 pm

1 stop14h 10m

Barcelona-El Prat

Mon 1/19

11:10 am-4:05 pm

1 stop34h 55m

$499

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 12/30

6:05 pm-8:20 am

Nonstop8h 15m

Barcelona-El Prat

Thu 1/22

1:35 pm-7:30 am

2 stops23h 55m

$499

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 12/30

10:57 am-8:40 am

1 stop15h 43m

Barcelona-El Prat

Wed 1/21

11:10 am-4:05 pm

1 stop34h 55m

$500

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 12/30

9:45 pm-6:25 pm

1 stop14h 40m

Barcelona-El Prat

Fri 1/16

12:40 pm-7:55 pm

1 stop13h 15m

$502

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Wed 2/18

6:00 am-9:35 am

2 stops21h 35m

Barcelona-El Prat

Wed 3/4

1:50 pm-8:51 am

2 stops25h 01m

$507

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 12/30

10:57 am-7:15 am

1 stop14h 18m

Barcelona-El Prat

Tue 1/20

10:15 am-8:45 pm

2 stops16h 30m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 59 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 November 14, 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 72 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Barcelona (average of $265). Flying from Washington, D.C. to Barcelona in June is currently the most expensive (average of $540). 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 November 17, 2025.

It’s optimal to fly from Washington, D.C. to Barcelona in the evening. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the morning.

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 Tuesday 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 November 17, 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).

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 November 17, 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.

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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.
  • How long is the flight from Washington, D.C. to Barcelona?

    There are many flights that can get you from Washington, D.C. to Barcelona in 12h. Fly via Icelandair, United Airlines, or Delta to get the fastest option. The distance between Washington, D.C. and Barcelona is about 4002 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. to Barcelona round-trip?

    Flying on TAP AIR PORTUGAL is currently your cheapest option to Barcelona, with prices starting at $379. Additional round-trip tickets that might be worth considering are offered by Icelandair and Scandinavian Airlines, with the lowest prices starting at $389 and $409, respectively. Users have found that TAP AIR PORTUGAL is 50% cheaper than the other options available to this destination.

  • 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 (71%), United Airlines (71%), Lufthansa( 71%).

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

    While on average a flight from Washington, D.C. to Barcelona is generally $2,413, our data shows the cheapest flight currently is $414. When looking at the most popular route, (Washington, D.C. Dulles Intl - Barcelona-El Prat), you can expect to pay $372 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 $27.

  • 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 $19 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 $29 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Barcelona (average of $265). Flying from Washington, D.C. to Barcelona in June is currently the most expensive (average of $540). 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 November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$339Average$486FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$379Average$647FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$385Average$536FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$409Average$577FlexibilityNo cancel feeOn-time77%
DeltaCheapest$468Average$934FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$479Average$932FlexibilityNo cancel feeOn-time69%
KLMCheapest$483Average$871FlexibilityNo cancel feeOn-time75%
IberiaCheapest$483Average$819FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$498Average$773FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$500Average$877FlexibilityNo cancel feeOn-time77%

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