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Dulles Intl

$348+ Cheap flights from Barcelona-El Prat (BCN) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — IAD
Jan 25 — Feb 11
Sat 1/25
Sat 2/1
1 adult, Economy
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The best prices from Barcelona-El Prat to Washington, D.C. Dulles Intl are usually found in February or March, booked 89 days in advance, depart on a Friday or Tuesday and return on a Sunday

Cheap flight deals from Barcelona-El Prat to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) to Dulles Intl (IAD). 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 January 20, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$349
(KLM)

Popular in

July

Cheapest in

February

Average price

$498
Provider with most accurate pricing for Barcelona-El Prat-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Barcelona-El Prat-Washington, D.C. Dulles Intl flights.
Search Deals
From Barcelona-El Prat to Washington, D.C. Dulles Intl
Search Deals
High demand for flights, 17% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Barcelona-El Prat to Dulles Intl

Cheapest flights from Barcelona-El Prat to Dulles Intl
Explore the most affordable flight options available from Barcelona-El Prat to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2025.

This Finnair deal was found by Cheapflights users on 1/19. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:10 pmBCN - IAD
1 stop23h 50mMultiple Airlines
Sat 9/2710:45 pmIAD - BCN
1 stop15h 10mMultiple Airlines
Deal found 1/19$348
This KLM deal was found by Cheapflights users on 1/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/226:00 amBCN - IAD
1 stop15h 45mKLM
Sun 3/212:52 pmIAD - BCN
1 stop13h 48mKLM
Deal found 1/20$349
This Flightnetwork deal was found by Cheapflights users on 1/19. 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.
Thu 3/139:10 pmBCN - IAD
1 stop29h 50mTAP AIR PORTUGAL
Thu 3/276:30 pmIAD - BCN
1 stop10h 35mTAP AIR PORTUGAL
Deal found 1/19$352
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:10 amBCN - IAD
1 stop16h 10mDelta
Sat 5/179:20 pmIAD - BCN
1 stop13h 50mDelta
Deal found 1/20$354
This Booking.com deal was found by Cheapflights users on 1/19. 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 1/2912:20 pmBCN - IAD
1 stop13h 25mBritish Airways
Fri 2/79:55 pmIAD - BCN
1 stop18h 40mBritish Airways
Deal found 1/19$362
This American Airlines deal was found by Cheapflights users on 1/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/259:55 amBCN - IAD
1 stop15h 50mAmerican Airlines
Sat 2/19:55 pmIAD - BCN
1 stop12h 15mAmerican Airlines
Deal found 1/18$370
This United Airlines deal was found by Cheapflights users on 1/20. 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 5/1312:15 pmBCN - IAD
2 stops34h 15mUnited Airlines
Fri 5/2310:20 pmIAD - BCN
1 stop17h 20mUnited Airlines
Deal found 1/20$378
This Gotogate deal was found by Cheapflights users on 1/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1311:45 amBCN - IAD
Nonstop9h 30mLufthansa
Thu 3/277:15 pmIAD - BCN
Nonstop8h 05mLufthansa
Deal found 1/19$401
This Mytrip deal was found by Cheapflights users on 1/19. 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.
Thu 3/1311:15 amBCN - IAD
1 stop32h 58mAir Canada
Thu 3/2710:35 amIAD - BCN
2 stops17h 25mAir Canada
Deal found 1/19$411
This FlightHub deal was found by Cheapflights users on 1/20. 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 3/2811:30 amBCN - IAD
1 stop13h 45mAer Lingus
Sat 3/295:25 pmIAD - BCN
1 stop10h 55mAer Lingus
Deal found 1/20$413
This Expedia deal was found by Cheapflights users on 1/19. 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.
Thu 3/136:40 amBCN - IAD
1 stop14h 55mIberia
Thu 3/2710:55 pmIAD - BCN
1 stop29h 15mIberia
Deal found 1/19$445
This Austrian Airlines deal was found by Cheapflights users on 1/20. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1310:05 amBCN - IAD
1 stop34h 30mAustrian Airlines
Thu 3/277:00 pmIAD - BCN
1 stop33h 20mAustrian Airlines
Deal found 1/20$461

Find flights from Barcelona-El Prat to Dulles Intl within your budget

Customize your flight search to find flights from Barcelona-El Prat to Dulles Intl 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 January 20, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Sat 2/22

6:00 am-3:45 pm

1 stop15h 45m

Washington, D.C. Dulles Intl

Sun 3/2

12:52 pm-8:40 am

1 stop13h 48m

$349

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Thu 3/13

9:10 pm-10:00 pm

1 stop29h 50m

Washington, D.C. Dulles Intl

Thu 3/27

6:30 pm-10:05 am

1 stop10h 35m

$352

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Mon 5/5

6:10 am-4:20 pm

1 stop16h 10m

Washington, D.C. Dulles Intl

Sat 5/17

9:20 pm-5:10 pm

1 stop13h 50m

$354

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Tue 2/18

1:00 pm-3:45 pm

1 stop32h 45m

Washington, D.C. Dulles Intl

Fri 2/28

12:05 pm-8:00 am

1 stop13h 55m

$361

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Wed 2/26

6:40 am-3:35 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Sat 3/8

9:55 pm-7:10 pm

1 stop15h 15m

$366

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Tue 5/13

12:15 pm-4:30 pm

2 stops34h 15m

Washington, D.C. Dulles Intl

Fri 5/23

10:20 pm-9:40 pm

1 stop17h 20m

$378

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Thu 3/13

11:45 am-4:15 pm

Nonstop9h 30m

Washington, D.C. Dulles Intl

Thu 3/27

7:15 pm-8:20 am

Nonstop8h 05m

$401

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Thu 3/13

11:15 am-3:13 pm

1 stop32h 58m

Washington, D.C. Dulles Intl

Thu 3/27

10:35 am-9:00 am

2 stops17h 25m

$411

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Fri 3/28

11:30 am-8:15 pm

1 stop13h 45m

Washington, D.C. Dulles Intl

Sat 3/29

5:25 pm-9:20 am

1 stop10h 55m

$413

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Thu 3/13

6:40 am-4:35 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Thu 3/27

10:55 pm-9:10 am

1 stop29h 15m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 33 results
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Compare providers for flights from Barcelona-El Prat to Dulles Intl

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 Barcelona-El Prat to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars

*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 Barcelona-El Prat Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Barcelona-El Prat Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Barcelona-El Prat Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Barcelona-El Prat Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Barcelona-El Prat Airport-Washington, D.C. Dulles Intl 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 Barcelona-El Prat to Dulles Intl

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

Travel insights for flights from Barcelona-El Prat to Dulles Intl

Get recent, data-driven insights about flights from Barcelona-El Prat to Dulles Intl including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Barcelona-El Prat to Dulles Intl. Price data was last updated on January 17, 2025.

The price you pay for your flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 88 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 Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 BCN to IAD?

Find hourly flight availability from Barcelona-El Prat to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 20, 2025.

It’s optimal to fly from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport in the afternoon. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the morning.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated January 20, 2025.
Get a feel of what it's like to fly with British Airways, United Airlines and Delta from Barcelona to Washington, D.C. by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.5
Good
1,599 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat to Dulles Intl. 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 Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport round-trip from $349. Other airlines that can offer you cheap pricing are TAP AIR PORTUGAL, from $352, and Delta, from $354. You may be able to fly from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport for 40% less than the average price by searching for these airlines.

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

    For one-way options, check prices for SWISS. According to our data, you can fly for as low as $410. Users have also found prices from $412 and $428 on Scandinavian Airlines and Iberia, respectively.

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

    The top 3 most reliable airlines when flying from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport are Air Canada (88%), United Airlines (88%) and Lufthansa (88%).

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

    Looking for the cheapest flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport? While on average our users pay $868, our data indicates the cheapest price to be $479. The most popular route (Barcelona-El Prat - Washington, D.C. Dulles Intl), is priced around $286.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Barcelona-El Prat to Dulles Intl.

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

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

    Currently, August is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Greenbelt
Sterling
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston

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Alternative routes for Barcelona-El Prat to Dulles Intl

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

Top 3 airlines flying from Barcelona-El Prat to Dulles Intl

Discover the top 3 airlines that operate flights from Barcelona-El Prat to Dulles Intl. 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 January 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$366Average$497FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$385Average$662FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$431Average$620FlexibilityNo cancel feeOn-time69%
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