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Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport from £364

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Brussels Bruxelles-National to Washington, D.C. Dulles Intl are usually found in March or January, booked 84 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap flight deals from Bruxelles-National to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bruxelles-National (BRU) 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 15 April 2025.

Round-trip from

£364

Popular in

December

Cheapest in

March

Average price

£545

Good round-trip deal

£446 or less
British Airways
  • British Airways
  • 16/5-27/5
  • 2 total stops
  • 31h 05m total
  • Brussels to Washington, D.C.
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Brussels Bruxelles-National to Washington, D.C. Dulles Intl.
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Find flight deals from Bruxelles-National to Dulles Intl

Cheapest flights from Bruxelles-National to Dulles Intl
Explore the most affordable flight options available from Bruxelles-National to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Fri 16/510:45BRU - IAD
1 stop15h 20mBritish Airways
Tue 27/522:40IAD - BRU
1 stop15h 45mBritish Airways
Deal found 14/4£364
Thu 15/507:00BRU - IAD
2 stops20h 08mUnited Airlines
Thu 5/622:15IAD - BRU
2 stops27h 45mUnited Airlines
Deal found 14/4£366
Wed 21/509:40BRU - IAD
1 stop11h 35mMultiple Airlines
Mon 26/517:45IAD - BRU
Nonstop7h 30mMultiple Airlines
Deal found 15/4£369
Fri 16/512:00BRU - IAD
Nonstop8h 15mLufthansa
Tue 27/517:45IAD - BRU
Nonstop7h 30mLufthansa
Deal found 14/4£378
Thu 29/510:25BRU - IAD
1 stop11h 10mDelta
Thu 5/612:20IAD - BRU
2 stops15h 20mDelta
Deal found 14/4£382
Thu 1/510:45BRU - IAD
1 stop15h 08mVirgin Atlantic
Mon 5/506:00IAD - BRU
2 stops20h 40mVirgin Atlantic
Deal found 15/4£384
Tue 29/718:00BRU - IAD
1 stop28h 15mSWISS
Tue 12/820:45IAD - BRU
1 stop18h 45mSWISS
Deal found 14/4£392
Wed 21/513:50BRU - IAD
1 stop14h 20mIcelandair
Sat 24/520:30IAD - BRU
1 stop10h 20mIcelandair
Deal found 14/4£395
Mon 5/515:40BRU - IAD
1 stop28h 55mAustrian Airlines
Sun 11/517:35IAD - BRU
2 stops23h 50mAustrian Airlines
Deal found 14/4£408
Fri 17/1010:20BRU - IAD
1 stop15h 39mScandinavian Airlines
Sat 1/1121:30IAD - BRU
2 stops15h 45mScandinavian Airlines
Deal found 15/4£415
Thu 31/710:45BRU - IAD
Nonstop8h 45mBrussels Airlines
Thu 14/817:35IAD - BRU
Nonstop7h 50mBrussels Airlines
Deal found 14/4£453
Tue 6/510:45BRU - IAD
1 stop15h 08mAir France
Fri 9/517:40IAD - BRU
2 stops57h 00mAir France
Deal found 15/4£544

Cheapflights Fare Finder

Customise your flight search to find flights from Bruxelles-National 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 858,174 searches. Data last updated 15 April 2025.
Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Bruxelles-National

Fly to

Dulles Intl

Route

Depart

Return

Price

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 16/5

10:45-20:05

1 stop15h 20m

Washington, D.C. Dulles Intl

Tue 27/5

22:40-20:25

1 stop15h 45m

£364

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 15/5

07:00-21:08

2 stops20h 08m

Washington, D.C. Dulles Intl

Thu 5/6

22:15-08:00

2 stops27h 45m

£366

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 21/5

09:40-15:15

1 stop11h 35m

Washington, D.C. Dulles Intl

Mon 26/5

17:45-07:15

Nonstop7h 30m

£369

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 16/5

12:00-14:15

Nonstop8h 15m

Washington, D.C. Dulles Intl

Tue 27/5

17:45-07:15

Nonstop7h 30m

£378

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 29/5

10:25-15:35

1 stop11h 10m

Washington, D.C. Dulles Intl

Thu 5/6

12:20-09:40

2 stops15h 20m

£382

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 1/5

10:45-19:53

1 stop15h 08m

Washington, D.C. Dulles Intl

Mon 5/5

06:00-08:40

2 stops20h 40m

£384

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 29/7

18:00-16:15

1 stop28h 15m

Washington, D.C. Dulles Intl

Tue 12/8

20:45-21:30

1 stop18h 45m

£392

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 21/5

13:50-22:10

1 stop14h 20m

Washington, D.C. Dulles Intl

Sat 24/5

20:30-12:50

1 stop10h 20m

£395

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 5/5

15:40-14:35

1 stop28h 55m

Washington, D.C. Dulles Intl

Sun 11/5

17:35-23:25

2 stops23h 50m

£408

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 10/9

19:00-19:59

2 stops30h 59m

Washington, D.C. Dulles Intl

Mon 22/9

22:05-10:15

2 stops30h 10m

£437

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 16 results
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Best time to book a flight from Bruxelles-National to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Bruxelles-National with our price prediction graph.
Estimated return 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 Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Bruxelles-National to Dulles Intl. Price data was last updated on 11 April 2025.

The best time to book flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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 BRU to IAD?

Find hourly flight availability from Bruxelles-National 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 15 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport as you normally would.

Weekly flight availability from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Bruxelles-National to Dulles Intl. 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 15 April 2025.

The most flights from BRU to IAD are scheduled on a Tuesday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 15 April 2025.
Read through reviews of airlines operating flights from Brussels to Washington, D.C., such as Delta, Austrian Airlines and Air France. 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.
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,578 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,656 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 Bruxelles-National 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 Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport round-trip?

    Flying on British Airways is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at £364. Additional return tickets that might be worth considering are offered by United Airlines and Lufthansa, with the lowest prices starting at £366 and £378, respectively. British Airways is priced at 22% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    Consider Air Canada (90%), Austrian Airlines (90%) or SWISS (90%) when booking your flight. These represent the most reliable airlines when flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    Looking for the cheapest flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport? While on average our users pay £462, our data indicates the cheapest price to be £355. The most popular route (Brussels Bruxelles-National - Washington, D.C. Dulles Intl), is priced around £353.

  • Can I find deals for flights from Bruxelles-National to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Bruxelles-National to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bruxelles-National to Dulles Intl?

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

  • Can I find deals for business class flights from Bruxelles-National to Dulles Intl?

    Yes. Cheapflights offers flight deals from Bruxelles-National 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 Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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

Travelling to a place near Brussels Bruxelles-National Airport?

Book flights to Brussels Bruxelles-National Airport if you plan to visit one of these locations
Silver Spring
Arlington
Woodbridge
College Park
Laurel
Tysons

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