How often are flights from Barcelona to Washington, D.C. delayed?

About 13% of weekly flights between Barcelona and Washington, D.C. have experienced delays in the past year, with the average delay time being 179 minutes.

What is the most punctual flight time for Barcelona to Washington, D.C. flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Which airline has the best punctuality record on Barcelona to Washington, D.C. flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Weekly flight availability from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport

The most flights from BCN to IAD 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).

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.

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).

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

United Airlines, TAP AIR PORTUGAL and Lufthansa are the most popular airlines when flying from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport.

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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Barcelona-El Prat Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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.

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.

$321+ Flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport

Q: How much does it cost to fly round-trip from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?

Airfare is typical for this route at the moment. Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport flights typically cost between $450 and $657 in April. The cheapest round-trip price found within the last 3 days was $471 on British Airways (Apr 25-May 12).

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Find cheap flights from Barcelona-El Prat to Dulles Intl 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 Barcelona-El Prat to Washington, D.C. Dulles Intl are usually found in February or January, booked 64 days in advance, depart on a Thursday or Wednesday and return on a Sunday

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 November 13, 2025.

Wed 11/268:40 pmBCN - IAD

1 stop24h 55mBritish Airways

Mon 12/156:20 pmIAD - BCN

1 stop17h 35mBritish Airways

Deal found 11/11

$476

Thu 11/2011:30 amBCN - IAD

1 stop14h 00mAer Lingus

Wed 12/35:05 pmIAD - BCN

1 stop11h 45mAer Lingus

Deal found 11/12

$477

Fri 12/126:45 amBCN - IAD

1 stop20h 15mTAP AIR PORTUGAL

Fri 1/910:30 pmIAD - BCN

1 stop15h 50mTAP AIR PORTUGAL

Deal found 11/12

$483

Fri 12/1211:50 amBCN - IAD

1 stop12h 40mIcelandair

Fri 1/97:40 pmIAD - BCN

1 stop11h 35mIcelandair

Deal found 11/13

$487

Thu 11/276:40 amBCN - IAD

1 stop19h 15mBritish Airways

Wed 12/106:20 pmIAD - BCN

1 stop32h 50mBritish Airways

Deal found 11/11

$491

Fri 12/126:40 amBCN - IAD

1 stop14h 55mBritish Airways

Wed 1/79:45 pmIAD - BCN

1 stop12h 45mBritish Airways

Deal found 11/11

$493

Thu 11/2011:30 amBCN - IAD

1 stop14h 00mAer Lingus

Sun 12/75:05 pmIAD - BCN

1 stop11h 45mAer Lingus

Deal found 11/11

$494

Thu 11/276:40 amBCN - IAD

1 stop19h 15mBritish Airways

Thu 12/116:20 pmIAD - BCN

1 stop15h 45mBritish Airways

Deal found 11/11

$499

Mon 12/19:00 pmBCN - IAD

1 stop24h 35mBritish Airways

Mon 12/86:20 pmIAD - BCN

1 stop11h 00mBritish Airways

Deal found 11/11

$500

Wed 11/266:40 amBCN - IAD

2 stops18h 40mBritish Airways

Sun 12/146:20 pmIAD - BCN

1 stop12h 10mBritish Airways

Deal found 11/11

$501

Best flights from Barcelona-El Prat to Dulles Intl
Discover carefully curated flight deals from Barcelona-El Prat to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 13, 2025.

Wed 5/67:40 amBCN - IAD

1 stop14h 10mBritish Airways

Sun 5/105:40 pmIAD - BCN

1 stop20h 40mBritish Airways

Deal found 11/10

$471

Thu 5/77:45 amBCN - IAD

1 stop14h 05mMultiple Airlines

Sun 5/105:40 pmIAD - BCN

1 stop12h 00mMultiple Airlines

Deal found 11/11

$471

Sat 4/257:40 amBCN - IAD

1 stop18h 40mBritish Airways

Mon 5/1810:20 pmIAD - BCN

1 stop13h 20mBritish Airways

Deal found 11/13

$471

Sat 1/1711:00 amBCN - IAD

2 stops18h 42mMultiple Airlines

Mon 1/266:20 pmIAD - BCN

1 stop11h 00mMultiple Airlines

Deal found 11/12

$473

Thu 4/3012:00 pmBCN - IAD

1 stop14h 20mBritish Airways

Fri 5/155:40 pmIAD - BCN

1 stop11h 10mBritish Airways

Deal found 11/13

$471

Thu 1/811:15 amBCN - IAD

1 stop14h 40mMultiple Airlines

Wed 1/216:20 pmIAD - BCN

1 stop10h 50mMultiple Airlines

Deal found 11/12

$477

Sun 4/267:50 amBCN - IAD

1 stop14h 00mBritish Airways

Wed 5/137:15 pmIAD - BCN

1 stop14h 35mBritish Airways

Deal found 11/13

$494

Fri 1/167:15 pmBCN - IAD

1 stop26h 20mMultiple Airlines

Mon 1/199:45 pmIAD - BCN

1 stop16h 00mMultiple Airlines

Deal found 11/12

$495

Sun 4/267:50 amBCN - IAD

1 stop14h 00mBritish Airways

Tue 5/127:15 pmIAD - BCN

1 stop12h 00mBritish Airways

Deal found 11/13

$494

Thu 11/276:40 amBCN - IAD

1 stop14h 55mBritish Airways

Tue 12/95:29 pmIAD - BCN

2 stops18h 56mBritish Airways

Deal found 11/11

$502

Sun 4/267:50 amBCN - IAD

1 stop15h 35mBritish Airways

Sun 5/177:15 pmIAD - BCN

1 stop16h 00mBritish Airways

Deal found 11/13

$511

Last-minute flights from Barcelona-El Prat to Dulles Intl
Discover last-minute flight deals from Barcelona-El Prat to Dulles Intl. Data last updated November 13, 2025 and is based on user searches.

Thu 11/2011:30 amBCN - IAD

1 stop14h 00mAer Lingus

Wed 12/35:05 pmIAD - BCN

1 stop11h 45mAer Lingus

Deal found 11/12

$477

Thu 11/2011:30 amBCN - IAD

1 stop14h 00mAer Lingus

Sun 12/75:05 pmIAD - BCN

1 stop11h 45mAer Lingus

Deal found 11/11

$494

Wed 11/268:40 pmBCN - IAD

1 stop24h 55mBritish Airways

Mon 12/156:20 pmIAD - BCN

1 stop17h 35mBritish Airways

Deal found 11/11

$476

Wed 11/266:40 amBCN - IAD

2 stops18h 40mBritish Airways

Sun 12/146:20 pmIAD - BCN

1 stop12h 10mBritish Airways

Deal found 11/11

$501

Wed 11/268:40 pmBCN - IAD

1 stop29h 15mBritish Airways

Wed 12/105:29 pmIAD - BCN

2 stops18h 56mBritish Airways

Deal found 11/11

$502

Thu 11/276:40 amBCN - IAD

1 stop19h 15mBritish Airways

Wed 12/106:20 pmIAD - BCN

1 stop32h 50mBritish Airways

Deal found 11/11

$491

Thu 11/276:40 amBCN - IAD

1 stop19h 15mBritish Airways

Thu 12/116:20 pmIAD - BCN

1 stop15h 45mBritish Airways

Deal found 11/11

$499

Mon 12/19:00 pmBCN - IAD

1 stop24h 35mBritish Airways

Mon 12/86:20 pmIAD - BCN

1 stop11h 00mBritish Airways

Deal found 11/11

$500

Fri 12/126:45 amBCN - IAD

1 stop20h 15mTAP AIR PORTUGAL

Fri 1/910:30 pmIAD - BCN

1 stop15h 50mTAP AIR PORTUGAL

Deal found 11/12

$483

Fri 12/126:40 amBCN - IAD

1 stop14h 55mBritish Airways

Wed 1/79:45 pmIAD - BCN

1 stop12h 45mBritish Airways

Deal found 11/11

$493

One-way flights from Barcelona-El Prat to Dulles Intl
Search for one-way flight options from Barcelona-El Prat to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated November 13, 2025.

Thu 12/46:45 amBCN - IAD

1 stop14h 30mTAP AIR PORTUGAL

Deal found 11/13

$321

Tue 12/26:05 pmBCN - IAD

1 stop32h 55mTAP AIR PORTUGAL

Deal found 11/11

$322

Tue 2/106:35 pmBCN - IAD

3 stops50h 07mMultiple Airlines

Deal found 11/12

$326

Mon 3/29:40 pmBCN - IAD

2 stops24h 50mMultiple Airlines

Deal found 11/12

$337

Wed 2/46:35 pmBCN - IAD

2 stops27h 53mMultiple Airlines

Deal found 11/13

$338

Tue 12/96:05 pmBCN - IAD

1 stop32h 55mTAP AIR PORTUGAL

Deal found 11/12

$340

Wed 12/36:45 amBCN - IAD

1 stop20h 15mTAP AIR PORTUGAL

Deal found 11/12

$341

Sun 1/116:45 amBCN - IAD

1 stop20h 15mTAP AIR PORTUGAL

Deal found 11/11

$343

Fri 12/1211:35 amBCN - IAD

3 stops38h 49mMultiple Airlines

Deal found 11/12

$344

Tue 2/38:40 pmBCN - IAD

2 stops26h 36mBritish Airways

Deal found 11/13

$351

Cheap flight deals from Barcelona-El Prat to Dulles Intl

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$471 (British Airways)
One-way from	$321 (TAP AIR PORTUGAL)
Popular in	July
Cheapest in	February
Average price	$583
Good round-trip deal	$614 or less
Good one-way deal	$693 or less

Provider with most accurate pricing for Barcelona-El Prat-Washington, D.C. Dulles Intl flight deals.

Search Deals

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

One-way flight from Barcelona-El Prat to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($91 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Price to beat on a round-trip flight from Barcelona-El Prat to Washington, D.C. Dulles Intl.

Search Deals

Price to beat on a one-way flight from Barcelona-El Prat to Washington, D.C. Dulles Intl.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Wed 5/6

7:40 am-3:50 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

Sun 5/10

5:40 pm-8:20 pm

1 stop20h 40m

$471

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Thu 5/7

7:45 am-3:50 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Sun 5/10

5:40 pm-11:40 am

1 stop12h 00m

$471

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Sat 4/25

7:40 am-8:20 pm

1 stop18h 40m

Washington, D.C. Dulles Intl

Mon 5/18

10:20 pm-5:40 pm

1 stop13h 20m

$471

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Thu 4/30

12:00 pm-8:20 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Fri 5/15

5:40 pm-10:50 am

1 stop11h 10m

$471

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Sat 1/17

11:00 am-11:42 pm

2 stops18h 42m

Washington, D.C. Dulles Intl

Mon 1/26

6:20 pm-11:20 am

1 stop11h 00m

$473

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Thu 1/8

11:15 am-7:55 pm

1 stop14h 40m

Washington, D.C. Dulles Intl

Wed 1/21

6:20 pm-11:10 am

1 stop10h 50m

$477

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Sun 4/26

7:50 am-3:50 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Wed 5/13

7:15 pm-3:50 pm

1 stop14h 35m

$494

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Sun 4/26

7:50 am-3:50 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Tue 5/12

7:15 pm-1:15 pm

1 stop12h 00m

$494

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Fri 1/16

7:15 pm-3:35 pm

1 stop26h 20m

Washington, D.C. Dulles Intl

Mon 1/19

9:45 pm-7:45 pm

1 stop16h 00m

$495

BarcelonaWashington, D.C.

BCN - IAD

BCNIAD

Barcelona-El Prat

Thu 11/27

6:40 am-3:35 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Tue 12/9

5:29 pm-6:25 pm

2 stops18h 56m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 21 results

Compare providers for flights from Barcelona-El Prat to Dulles Intl

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 November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Mytrip	Price Accuracy3 stars	Trust 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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Barcelona-El Prat Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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.

Cheapflights Insights

Everything you need to know about your flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport

Prices

Airlines

Delays

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

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 64 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, April 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 $276). Flying from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $600). 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?

It’s optimal to fly from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport in the evening. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the morning.

How much does it cost to fly round-trip from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown United Airlines, TAP AIR PORTUGAL, and Lufthansa from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl 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

9,017 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

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

United Airlines

7.4

Good

9,017 reviews

United Airlines

7.4

Good

9,017 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

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

TAP AIR PORTUGAL

7.1

Good

2,059 reviews

United Airlines

7.4

Good

9,017 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

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

Lufthansa

6.8

Okay

7,572 reviews

United Airlines

7.4

Good

9,017 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

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

Related info for your journey

How long is the flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?
A quick flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport can take about 14h 10m. British Airways provides one of the quickest options available for as low as $471. The distance between Barcelona-El Prat Airport and Washington, D.C. Dulles Intl Airport is about 4046 mi.
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 $406. Other airlines that can offer you cheap pricing are United Airlines, from $481, and Lufthansa, from $525. You may be able to fly from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport for 35% less than the average price by searching for these airlines.
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 (77%), United Airlines (77%) and Lufthansa (77%).
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 $957, our data indicates the cheapest price to be $408. The most popular route (Barcelona-El Prat - Washington, D.C. Dulles Intl), is priced around $425.
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, April 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 $276). Flying from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $600). 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.

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

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest$406	Average$595	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$481	Average$754	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$525	Average$709	FlexibilityNo cancel fee	On-time76%

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$321+ Cheap flights from Barcelona-El Prat (BCN) to Dulles Intl (IAD)

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Barcelona-El Prat to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Barcelona-El Prat to Washington, D.C. Dulles Intl are usually found in February or January, booked 64 days in advance, depart on a Thursday or Wednesday and return on a Sunday

Find flight deals from Barcelona-El Prat to Dulles Intl

Cheapest flights from Barcelona-El Prat to Dulles IntlExplore 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 November 13, 2025.

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 November 13, 2025.

Cheap flight deals from Barcelona-El Prat to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

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Everything you need to know about your flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport

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Weekly flight availability from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport

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Reviews of airlines servicing Dulles Intl

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.

How long is the flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?

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

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

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

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

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Alternative routes for Barcelona-El Prat to Dulles Intl

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

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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 November 13, 2025.