Barcelona

$304+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BCN
May 6 — May 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. 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.

Cheapflights Tip: The best prices from Washington, D.C. to Barcelona are usually found in February or January, booked 7 days in advance, depart on a Tuesday or Wednesday 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 May 1, 2025.

Round-trip from

$429
(PLAY)

One-way from

$304
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$972
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 ($173 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in May 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 May 1, 2025.

This PLAY deal was found by Cheapflights users on 4/30. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:05 pmBWI - BCN
1 stop20h 45mPLAY
Sun 11/99:50 pmBCN - BWI
1 stop25h 05mPLAY
Deal found 4/30$376
This Iberia deal was found by Cheapflights users on 4/30. 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.
Sun 12/78:30 pmBWI - BCN
2 stops14h 40mIberia
Sun 12/219:15 pmBCN - BWI
2 stops51h 30mIberia
Deal found 4/30$595
This Trip.com deal was found by Cheapflights users on 4/30. 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.
Fri 10/317:05 pmBWI - BCN
2 stops17h 00mMultiple Airlines
Tue 11/117:00 amBCN - BWI
2 stops15h 55mMultiple Airlines
Deal found 4/30$613
This Iberia deal was found by Cheapflights users on 4/30. 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 9/44:35 pmIAD - BCN
1 stop14h 10mIberia
Sun 9/79:15 amBCN - IAD
1 stop11h 45mIberia
Deal found 4/30$632
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Mon 5/128:30 pmIAD - BCN
3 stops29h 50mMultiple Airlines
Wed 5/217:20 amBCN - IAD
2 stops18h 00mMultiple Airlines
Deal found 4/30$633
This oojo deal was found by Cheapflights users on 4/30. 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.
Mon 10/209:05 pmIAD - BCN
1 stop16h 05mRoyal Air Maroc
Fri 10/241:45 pmBCN - IAD
1 stop11h 20mRoyal Air Maroc
Deal found 4/30$636
This FlightHub deal was found by Cheapflights users on 4/30. 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 8/2910:05 pmIAD - BCN
1 stop28h 45mScandinavian Airlines
Tue 9/97:00 pmBCN - IAD
2 stops51h 31mScandinavian Airlines
Deal found 4/30$638
This Iberia deal was found by Cheapflights users on 4/30. 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.
Mon 10/276:44 pmDCA - BCN
2 stops12h 56mIberia
Fri 11/79:30 amBCN - DCA
1 stop15h 45mIberia
Deal found 4/30$653
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Sat 11/16:30 pmIAD - BCN
1 stop12h 15mTAP AIR PORTUGAL
Sat 11/86:45 amBCN - IAD
1 stop14h 30mTAP AIR PORTUGAL
Deal found 4/30$660
This Aer Lingus deal was found by Cheapflights users on 4/30. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/128:25 pmIAD - BCN
1 stop20h 00mAer Lingus
Wed 5/2111:00 amBCN - IAD
1 stop14h 30mAer Lingus
Deal found 4/30$668
This Booking.com deal was found by Cheapflights users on 4/30. 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.
Fri 10/318:30 pmBWI - BCN
1 stop11h 40mIcelandair
Tue 11/1111:45 amBCN - BWI
1 stop12h 45mIcelandair
Deal found 4/30$704
This CheapOair deal was found by Cheapflights users on 4/29. 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.
Mon 9/291:30 pmDCA - BCN
2 stops22h 40mScandinavian Airlines
Wed 10/87:00 pmBCN - DCA
2 stops33h 19mScandinavian Airlines
Deal found 4/29$707

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 May 1, 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

Tue 5/13

6:50 pm-9:45 pm

1 stop20h 55m

Barcelona-El Prat

Fri 5/23

10:40 pm-5:40 pm

1 stop25h 00m

$558

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Mon 5/12

8:30 pm-1:15 am

2 stops22h 45m

Barcelona-El Prat

Wed 5/21

7:20 am-7:25 pm

2 stops18h 05m

$616

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Thu 9/4

4:35 pm-12:45 pm

1 stop14h 10m

Barcelona-El Prat

Sun 9/7

9:15 am-3:00 pm

1 stop11h 45m

$632

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 5/12

8:30 pm-8:20 am

3 stops29h 50m

Barcelona-El Prat

Wed 5/21

7:20 am-7:20 pm

2 stops18h 00m

$633

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 10/20

9:05 pm-7:10 pm

1 stop16h 05m

Barcelona-El Prat

Fri 10/24

1:45 pm-7:05 pm

1 stop11h 20m

$636

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Fri 8/29

10:05 pm-8:50 am

1 stop28h 45m

Barcelona-El Prat

Tue 9/9

7:00 pm-4:31 pm

2 stops51h 31m

$638

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Mon 10/27

6:44 pm-12:40 pm

2 stops12h 56m

Barcelona-El Prat

Fri 11/7

9:30 am-7:15 pm

1 stop15h 45m

$653

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 5/12

8:25 pm-10:25 pm

1 stop20h 00m

Barcelona-El Prat

Wed 5/21

11:00 am-7:30 pm

1 stop14h 30m

$668

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 8/12

4:30 pm-10:50 am

1 stop12h 20m

Barcelona-El Prat

Sun 8/24

4:50 pm-2:40 pm

1 stop27h 50m

$704

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Mon 9/29

1:30 pm-6:10 pm

2 stops22h 40m

Barcelona-El Prat

Wed 10/8

7:00 pm-10:19 pm

2 stops33h 19m

$707

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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

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 April 25, 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 7 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 $1,064). 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 May 1, 2025.

It’s optimal to fly from Washington, D.C. to Barcelona in the morning. By choosing this option you can save up to 39% 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 June 30, 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 afternoons 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 May 1, 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).

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 May 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Air Transat from Washington, D.C. to Barcelona to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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.
8.0
Very good
8.0
Very good

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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.
8.0
Very good

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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.
8.0
Very good

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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.
8.0
Very good

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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.
8.0
Very good

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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, 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 PLAY is currently your cheapest option to Barcelona, with prices starting at $429. Additional round-trip tickets that might be worth considering are offered by Iberia and Royal Air Maroc, with the lowest prices starting at $632 and $635, respectively. Users have found that PLAY is 51% 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 $359 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include PLAY from $410 and Scandinavian Airlines from $413 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 (77%), United Airlines (77%), Lufthansa( 77%).

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

    While on average a flight from Washington, D.C. to Barcelona is generally $1,219, our data shows the cheapest flight currently is $568. When looking at the most popular route, (Washington, D.C. Dulles Intl - Barcelona-El Prat), you can expect to pay $461 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 Lisbon?

    Chiado, Praça do Marquês de Pombal, and Commerce Square are currently the most popular points of interest in Lisbon at the moment. Chiado, Praça do Marquês de Pombal, and Commerce Square can be visited by traveling about 4.5 mi, 3.6 mi, and 4.7 mi respectively from Lisbon Humberto Delgado. Those on a layover in Lisbon in need of a rental car can book one at Lisbon Humberto Delgado for about $22.

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

    Madrid travelers tend to visit Puerta del Sol, Plaza Mayor, and Spain Building more than any other notable places. Travelers on a layover in Madrid can visit Puerta del Sol, Plaza Mayor, and Spain Building, by traveling 8.4 mi, 8.6 mi, and 8.5 mi, respectively after landing at Madrid Barajas. Travelers in need of a car in Madrid can rent one for about $29 per day.

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

    Hyde Park, Piccadilly Circus, and Buckingham Palace are the most popular attractions in London if you're in need of something to do during your layover. Hyde Park, Piccadilly Circus, and Buckingham Palace can be accessed by traveling approximately 12.5 mi, 14.1 mi, and 13.7 mi, respectively from London Heathrow. Travelers can book a car rental at London Heathrow for about $53 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 $1,064). 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, 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$306Average$418FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$384Average$625FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$465Average$590FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$521Average$689FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$540Average$781FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$550Average$991FlexibilityNo cancel feeOn-time70%
Royal Air MarocCheapest$560Average$603FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$572Average$836FlexibilityNo cancel feeOn-timeN/A
ITA AirwaysCheapest$603Average$772FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$608Average$1,097FlexibilityNo cancel feeOn-time71%

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.