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Barcelona-El Prat

$227+ Cheap flights from Dulles Intl (IAD) 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BCN
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Find cheap flights from Dulles Intl to Barcelona-El Prat with Cheapflights

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Barcelona-El Prat are usually found in February or January, booked 9 days in advance, depart on a Monday or Sunday and return on a Wednesday

Cheap flight deals from Dulles Intl to Barcelona-El Prat

Cheapest flights from Dulles Intl to Barcelona-El Prat
Explore the most affordable flight options available from Dulles Intl to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2026.

This CrystalTravel deal was found by Cheapflights users on 2/16. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:20 pm
IAD
-
BCN
1 stop15h 50m
Scandinavian Airlines
Sun 4/199:45 am
BCN
-
IAD
1 stop13h 15m
Scandinavian Airlines
Deal found 2/16$468
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Wed 4/158:20 pm
IAD
-
BCN
1 stop15h 50m
Scandinavian Airlines
Fri 4/247:00 pm
BCN
-
IAD
1 stop27h 50m
Scandinavian Airlines
Deal found 2/15$477
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Thu 4/168:20 pm
IAD
-
BCN
1 stop14h 50m
Scandinavian Airlines
Fri 4/247:00 pm
BCN
-
IAD
1 stop27h 50m
Scandinavian Airlines
Deal found 2/15$478
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 4/208:20 pm
IAD
-
BCN
1 stop15h 50m
Scandinavian Airlines
Sun 4/269:45 am
BCN
-
IAD
1 stop13h 05m
Scandinavian Airlines
Deal found 2/15$479
This CrystalTravel deal was found by Cheapflights users on 2/17. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:20 pm
IAD
-
BCN
1 stop15h 50m
Scandinavian Airlines
Sun 4/269:45 am
BCN
-
IAD
1 stop13h 15m
Scandinavian Airlines
Deal found 2/17$485
This FlightHub deal was found by Cheapflights users on 2/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:20 pm
IAD
-
BCN
1 stop14h 50m
Scandinavian Airlines
Mon 4/2010:35 am
BCN
-
IAD
1 stop12h 15m
Scandinavian Airlines
Deal found 2/15$486
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Wed 4/158:20 pm
IAD
-
BCN
1 stop15h 50m
Scandinavian Airlines
Sun 4/269:45 am
BCN
-
IAD
1 stop13h 05m
Scandinavian Airlines
Deal found 2/15$487
This lol.travel deal was found by Cheapflights users on 2/15. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:45 pm
IAD
-
BCN
1 stop10h 50m
TAP AIR PORTUGAL
Wed 8/263:00 pm
BCN
-
IAD
1 stop11h 35m
TAP AIR PORTUGAL
Deal found 2/15$488
This FlightHub deal was found by Cheapflights users on 2/18. 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.
Mon 4/138:20 pm
IAD
-
BCN
1 stop15h 50m
Scandinavian Airlines
Sun 4/269:45 am
BCN
-
IAD
1 stop13h 15m
Scandinavian Airlines
Deal found 2/18$489

Find flight deals from Dulles Intl to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$468
(CrystalTravel)

One-way from

$227
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$568

Good round-trip deal

$998 or less

Good one-way deal

$794 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Barcelona-El Prat flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Barcelona-El Prat flights.
Search Deals
From Washington, D.C. Dulles Intl to Barcelona-El Prat
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($182 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Barcelona-El Prat.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Barcelona-El Prat.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 February 19, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport that are best for you.

Fly from

Dulles Intl

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 5/18

8:20 pm-6:10 pm

1 stop15h 50m

Barcelona-El Prat

Fri 8/14

7:00 pm-5:00 pm

1 stop28h 00m

$769

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sun 3/22

9:45 pm-6:10 pm

1 stop15h 25m

Barcelona-El Prat

Sun 4/12

8:10 pm-7:00 pm

1 stop28h 50m

$770

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 4/20

6:00 pm-8:20 am

Nonstop8h 20m

Barcelona-El Prat

Tue 4/28

11:15 am-2:30 pm

Nonstop9h 15m

$771

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 4/15

6:00 pm-8:20 am

Nonstop8h 20m

Barcelona-El Prat

Thu 4/23

12:15 pm-7:40 pm

1 stop13h 25m

$775

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 4/15

6:00 pm-8:20 am

Nonstop8h 20m

Barcelona-El Prat

Tue 4/21

1:50 pm-3:05 pm

1 stop31h 15m

$796

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 4/13

6:00 pm-8:20 am

Nonstop8h 20m

Barcelona-El Prat

Mon 4/20

1:50 pm-4:05 pm

1 stop32h 15m

$796

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Thu 5/14

8:20 pm-6:10 pm

1 stop15h 50m

Barcelona-El Prat

Fri 8/14

7:00 pm-5:00 pm

1 stop28h 00m

$869

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Thu 4/23

6:00 pm-8:20 am

Nonstop8h 20m

Barcelona-El Prat

Sat 5/2

11:15 am-2:30 pm

Nonstop9h 15m

$871

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Fri 4/24

6:00 pm-8:20 am

Nonstop8h 20m

Barcelona-El Prat

Mon 5/4

11:15 am-2:30 pm

Nonstop9h 15m

$871

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sun 8/2

6:25 pm-8:20 am

Nonstop7h 55m

Barcelona-El Prat

Fri 8/21

12:15 pm-7:01 pm

1 stop12h 46m

$920

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 23 results
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Compare providers for flights from Dulles Intl to Barcelona-El Prat

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Barcelona-El Prat in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JetabroadPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Barcelona-El Prat

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Barcelona-El Prat. Price data was last updated on February 18, 2026.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport may vary depending on when you book. For the best chance of a lower fare, look to book 9 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. Dulles Intl Airport to Barcelona-El Prat Airport?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport (average of $389). Flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport in June is currently the most expensive (average of $682). 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.

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 February 19, 2026.
Read reviews from past customers who have flown United Airlines, TAP AIR PORTUGAL, and Iberia from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,322 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,322 reviews
United Airlines
7.4
Good
9,322 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
TAP AIR PORTUGAL
7.1
Good
2,144 reviews
United Airlines
7.4
Good
9,322 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Iberia
7.0
Good
3,117 reviews
United Airlines
7.4
Good
9,322 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,790 reviews
United Airlines
7.4
Good
9,322 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,752 reviews
United Airlines
7.4
Good
9,322 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Barcelona-El Prat Airport?

    A quick flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport can take about 8h 20m. Scandinavian Airlines provides one of the quickest options available for as low as $771. The distance from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport is about 4046 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport round-trip from $380. Other airlines that can offer you cheap pricing are Icelandair, from $390, and Scandinavian Airlines, from $398. You may be able to fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport for 50% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $206. Users have also found prices from $265 and $267 on Turkish Airlines and TAP AIR PORTUGAL, respectively.

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

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport are Air Canada (58%), United Airlines (58%) and Lufthansa (58%).

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

    Looking at all options, your cheapest flight can be booked for $694. While the most popular route (Washington, D.C. Dulles Intl - Barcelona-El Prat) can be booked for $471 on average, our data indicates $2,645 when flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport.

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

    Flights departing from Washington, D.C. Dulles Intl Airport and landing in Barcelona-El Prat Airport layover in Lisbon most frequently.

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

    Lisbon travelers tend to visit Chiado, Praça do Marquês de Pombal, and Londres more than anywhere else. 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. Travelers can rent a car at Lisbon Humberto Delgado for an average daily rate of $18 to make sightseeing during their layover a little easier.

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

    Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flights that have layovers will least frequently stop in Madrid.

  • Can I find deals for flights from Dulles Intl to Barcelona-El Prat that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl 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 Dulles Intl to Barcelona-El Prat.

  • Can I find deals for business class flights from Dulles Intl to Barcelona-El Prat?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Barcelona-El Prat Airport?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport (average of $389). Flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport in June is currently the most expensive (average of $682). 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
Roses
Calella
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Dulles Intl to Barcelona-El Prat

Discover the top 10 airlines that operate flights from Dulles Intl 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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$380Average$630FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$390Average$479FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$398Average$569FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$461Average$795FlexibilityNo cancel feeOn-time77%
DeltaCheapest$468Average$729FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$479Average$691FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$489Average$892FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$498Average$672FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$499Average$1,126FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$511Average$777FlexibilityNo cancel feeOn-time71%

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