HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona-El Prat

$227+ Cheap flights from Washington, D.C. (WAS) to Barcelona-El Prat (BCN)

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BCN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Barcelona-El Prat 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-El Prat are usually found in November or February, booked 56 days in advance, depart on a Sunday or Monday and return on a Wednesday

Cheap flight deals from Washington, D.C. to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Barcelona-El Prat (BCN). 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 September 16, 2025.

Round-trip from

$391
(Kiwi.com)

One-way from

$227
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$709

Good round-trip deal

$561 or less

Good one-way deal

$410 or less
From Washington, D.C. (WAS) to Barcelona-El Prat
Search Deals
One-way flight from Washington, D.C. (WAS) to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($179 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Barcelona-El Prat.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Barcelona-El Prat.
Search Deals

Find flight deals from Washington, D.C. to Barcelona-El Prat

Cheapest flights from Washington, D.C. to Barcelona-El Prat
Explore the most affordable flight options available from Washington, D.C. to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:50 pmBWI - BCN
1 stop20h 50mPLAY
Wed 10/2210:40 pmBCN - BWI
1 stop25h 00mPLAY
Deal found 9/14$391
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:50 pmBWI - BCN
1 stop20h 55mPLAY
Wed 10/2210:40 pmBCN - BWI
1 stop25h 00mPLAY
Deal found 9/14$405
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:50 pmBWI - BCN
1 stop20h 50mPLAY
Mon 10/2010:40 pmBCN - BWI
1 stop25h 00mPLAY
Deal found 9/14$420
This Booking.com deal was found by Cheapflights users on 9/15. 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.
Sun 10/126:50 pmBWI - BCN
1 stop20h 50mPLAY
Wed 10/1510:50 pmBCN - BWI
1 stop24h 50mPLAY
Deal found 9/15$424
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:50 pmBWI - BCN
1 stop20h 55mPLAY
Fri 10/1710:40 pmBCN - BWI
1 stop25h 00mPLAY
Deal found 9/15$432
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:50 pmBWI - BCN
1 stop20h 55mPLAY
Mon 10/2010:40 pmBCN - BWI
1 stop25h 00mPLAY
Deal found 9/14$438
This oojo deal was found by Cheapflights users on 9/15. 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.
Wed 12/107:40 pmBWI - BCN
1 stop11h 40mIcelandair
Sun 12/1411:50 amBCN - BWI
1 stop12h 50mIcelandair
Deal found 9/15$454
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:29 amBWI - BCN
1 stop24h 46mUnited Airlines
Fri 10/2412:10 pmBCN - BWI
2 stops51h 49mUnited Airlines
Deal found 9/15$461
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:35 amIAD - BCN
1 stop16h 15mUnited Airlines
Thu 10/911:15 amBCN - IAD
Nonstop8h 50mUnited Airlines
Deal found 9/15$469
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/54:10 pmDCA - BCN
1 stop11h 25mUnited Airlines
Fri 11/141:35 pmBCN - DCA
1 stop14h 21mUnited Airlines
Deal found 9/14$469
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:35 pmIAD - BCN
Nonstop7h 45mUnited Airlines
Tue 9/3011:15 amBCN - IAD
Nonstop8h 50mUnited Airlines
Deal found 9/15$470
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Mon 10/1310:20 pmIAD - BCN
1 stop13h 35mLufthansa
Tue 10/216:50 amBCN - IAD
1 stop12h 40mLufthansa
Deal found 9/15$471

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Barcelona-El Prat 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 September 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Barcelona-El Prat Airport that are best for you.

Fly from

Washington, D.C.

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 11/11

9:45 am-9:35 am

1 stop17h 50m

Barcelona-El Prat

Wed 11/19

10:30 am-2:00 pm

Nonstop9h 30m

$469

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sun 9/28

6:35 pm-8:20 am

Nonstop7h 45m

Barcelona-El Prat

Wed 10/15

12:10 pm-4:18 pm

1 stop34h 08m

$469

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Sun 11/9

4:10 pm-9:35 am

1 stop11h 25m

Barcelona-El Prat

Fri 11/14

1:35 pm-9:56 pm

1 stop14h 21m

$469

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Tue 11/11

4:10 pm-9:35 am

1 stop11h 25m

Barcelona-El Prat

Fri 11/14

1:35 pm-9:56 pm

1 stop14h 21m

$469

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Wed 11/5

4:10 pm-9:35 am

1 stop11h 25m

Barcelona-El Prat

Fri 11/14

1:35 pm-9:56 pm

1 stop14h 21m

$469

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 11/3

8:30 am-9:35 am

2 stops19h 05m

Barcelona-El Prat

Thu 11/13

10:30 am-2:00 pm

Nonstop9h 30m

$474

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 11/4

12:55 pm-9:35 am

2 stops14h 40m

Barcelona-El Prat

Thu 11/13

10:30 am-2:00 pm

Nonstop9h 30m

$474

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 10/15

8:45 pm-2:05 pm

1 stop11h 20m

Barcelona-El Prat

Tue 10/21

12:10 pm-4:05 pm

2 stops33h 55m

$477

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 10/15

8:45 pm-2:05 pm

1 stop11h 20m

Barcelona-El Prat

Fri 10/24

12:10 pm-1:51 pm

2 stops31h 41m

$477

BaltimoreBarcelona

BWI - BCN

BWIBCN

Baltimore/Washington

Sun 1/18

7:40 pm-1:20 pm

1 stop11h 40m

Barcelona-El Prat

Fri 1/23

11:50 am-6:40 pm

1 stop12h 50m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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

Best time to book a flight from Washington, D.C. to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat 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-El Prat Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Barcelona-El Prat. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Barcelona-El Prat Airport, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Barcelona-El Prat Airport (average of $523). Flying from Washington, D.C. to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,059). 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-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

It’s optimal to fly from Washington, D.C. to Barcelona-El Prat Airport in the morning. By choosing this option you can save up to 29% 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-El Prat Airport?

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

Travelers seeking maximum savings on their Washington, D.C. to Barcelona-El Prat Airport 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-El Prat Airport

Explore weekly flight availability from Washington, D.C. to Barcelona-El Prat. 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 September 16, 2025.

The most flights from WAS to BCN 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-El Prat Airport?

What’s the top layover airport for flights from Washington, D.C. to Barcelona-El Prat Airport?

Share of 1-stop round-trip flights from Washington, D.C. to Barcelona-El Prat Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Madrid (MAD) – chosen by Cheapflights users on 51% of 1-stop itineraries from Washington, D.C. to Barcelona-El Prat Airport on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to Barcelona-El Prat Airport?

Average round-trip fare for 1-stop flights from Washington, D.C. to Barcelona-El Prat Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $606.

What’s the fastest layover option from Washington, D.C. to Barcelona-El Prat Airport?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. to Barcelona-El Prat Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Madrid (MAD) have the shortest average one-way travel time for 1-stop routes: 11h 07m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to Barcelona-El Prat Airport?

Average layover duration for 1-stop one-way flights from Washington, D.C. to Barcelona-El Prat Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 1h 25m.

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. 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-El Prat. Reviews last updated September 16, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Barcelona-El Prat Airport, such as United Airlines, Aer Lingus, and TAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

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??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

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??
Aer Lingus
7.2
Good
1,270 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

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??
TAP AIR PORTUGAL
7.1
Good
1,975 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

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??
Iberia
7.0
Good
2,924 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

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??
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

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-El Prat. 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-El Prat Airport?

    Departing from Washington, D.C. to Barcelona-El Prat Airport will take you 11h 40m. The distance from Washington, D.C. to Barcelona-El Prat Airport 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-El Prat Airport round-trip?

    According to our current data, TAP AIR PORTUGAL ($381), Icelandair ($384), and Scandinavian Airlines ($409) offers the cheapest pricing from Washington, D.C. to Barcelona-El Prat Airport. TAP AIR PORTUGAL is 52% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Most travelers choose Washington, D.C. Dulles Intl - Barcelona-El Prat, Washington, D.C. Reagan-National - Barcelona-El Prat or Baltimore/Washington - Barcelona-El Prat when deciding on the best route from Washington, D.C. to Barcelona-El Prat Airport.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Barcelona-El Prat Airport on time: Air Canada (51%), United Airlines (51%), Lufthansa (51%).

  • What are the cheapest flights from Washington, D.C. to Barcelona-El Prat Airport?

    While on average a flight from Washington, D.C. to Barcelona-El Prat Airport is generally $2,306, 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 $375 for that flight.

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

    Most of the time, Washington, D.C. to Barcelona-El Prat Airport flights that have layovers will stop in Madrid. Lisbon sees the second most layovers for non-direct flights flying from Washington, D.C. to Barcelona-El Prat Airport. London comes next as the third most popular layover location for Washington, D.C. to Barcelona-El Prat Airport flights.

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

    Most Madrid visitors opt to spend their time experiencing Puerta del Sol, Plaza Mayor, and Spain Building. Puerta del Sol, Plaza Mayor and Spain Building are located about 8.4 mi, 8.6 mi, and 8.5 mi, respectively from Madrid Barajas if you are interested in checking them out. Those looking to explore during their layover in Madrid can rent a car from Madrid Barajas for about $26 per day.

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

    Most Lisbon visitors opt to spend their time at Chiado, Praça do Marquês de Pombal, and Londres. Chiado, Praça do Marquês de Pombal and Londres are located about 4.5 mi, 3.6 mi, and 2.3 mi, respectively from Lisbon Humberto Delgado if you are interested in checking them out. Those on a layover in Lisbon in need of a rental car can book one at Lisbon Humberto Delgado for about $19.

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

    London travelers tend to visit Hyde Park, Buckingham Palace, and Piccadilly Circus more than any other attractions. Those on a layover in London interested in visiting Hyde Park, Buckingham Palace, or Piccadilly Circus can do so by traveling 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Those on a layover in London in need of a rental car can book one at London Heathrow for about $40.

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

    Of the flights from Washington, D.C. to Barcelona-El Prat Airport that have layovers, the fewest flights stop in Dublin. Reykjavik follows Dublin in terms of the least common layover location on Washington, D.C. to Barcelona-El Prat Airport flights.

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

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

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

    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-El Prat.

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Barcelona-El Prat 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-El Prat Airport?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Barcelona-El Prat Airport (average of $523). Flying from Washington, D.C. to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,059). 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

Traveling to a place near Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Calella
Roses
Castelldefels
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar
Santa Susanna

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-El Prat

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Barcelona-El Prat flights
Reagan-National to Barcelona-El Prat flights
Reagan-National to Costa Brava flights
Dulles Intl to Costa Brava flights
Dulles Intl to Reus flights

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

Discover the top 10 airlines that operate flights from Washington, D.C. to Barcelona-El Prat. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$325Average$486FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$384Average$579FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$399Average$679FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$409Average$580FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$468Average$1,027FlexibilityNo cancel feeOn-time69%
DeltaCheapest$468Average$969FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$483Average$777FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$498Average$790FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$500Average$881FlexibilityNo cancel feeOn-time77%
KLMCheapest$513Average$926FlexibilityNo cancel feeOn-time75%

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.