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Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport from £306

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
3 Sep — 10 Sep1
1 adult

Cheapflights Tip: The best prices from Brussels Bruxelles-National to Washington, D.C. Dulles Intl are usually found in May or March, booked 89 days in advance, depart on a Friday or Tuesday and return on a Wednesday

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 29 August 2025.

Round-trip from

£389

One-way from

£306

Popular in

April

Cheapest in

May

Average price

£483
Scandinavian Airlines
  • Scandinavian Airlines
  • 2/11-5/11
  • 2 total stops
  • 44h 05m total
  • Brussels to Washington, D.C.
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 24/10
  • 1 total stop
  • 20h 55m total
  • Brussels to Washington, D.C.
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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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 29 August 2025.

Thu 9/1020:30BRU - IAD
1 stop29h 29mScandinavian Airlines
Sun 12/1022:05IAD - BRU
1 stop14h 25mScandinavian Airlines
Deal found 27/8£389
Sun 26/1015:10BRU - IAD
1 stop32h 05mScandinavian Airlines
Thu 6/1120:30IAD - BRU
1 stop12h 00mScandinavian Airlines
Deal found 27/8£389
Mon 22/1210:10BRU - IAD
1 stop20h 05mUnited Airlines
Thu 8/109:45IAD - BRU
1 stop16h 05mUnited Airlines
Deal found 28/8£390
Mon 27/1015:00BRU - IAD
2 stops32h 54mBritish Airways
Thu 6/1118:20IAD - BRU
1 stop10h 30mBritish Airways
Deal found 27/8£391
Sun 12/1013:45BRU - IAD
1 stop11h 40mUnited Airlines
Sun 19/1017:18IAD - BRU
2 stops13h 57mUnited Airlines
Deal found 28/8£392
Tue 23/1211:55BRU - IAD
Nonstop8h 40mUnited Airlines
Sun 4/116:30IAD - BRU
2 stops14h 45mUnited Airlines
Deal found 28/8£392
Sun 14/910:20BRU - IAD
1 stop15h 39mScandinavian Airlines
Wed 3/1220:30IAD - BRU
2 stops32h 20mScandinavian Airlines
Deal found 28/8£396
Wed 1/1019:55BRU - IAD
2 stops30h 04mScandinavian Airlines
Wed 15/1022:05IAD - BRU
2 stops14h 10mScandinavian Airlines
Deal found 27/8£397
Thu 18/919:00BRU - IAD
2 stops30h 59mScandinavian Airlines
Thu 25/922:05IAD - BRU
1 stop15h 45mScandinavian Airlines
Deal found 27/8£403
Sun 5/1015:05BRU - IAD
2 stops32h 06mBritish Airways
Mon 27/1013:09IAD - BRU
2 stops17h 01mBritish Airways
Deal found 28/8£403
Thu 25/910:20BRU - IAD
1 stop15h 39mScandinavian Airlines
Thu 16/1022:05IAD - BRU
2 stops14h 10mScandinavian Airlines
Deal found 27/8£406
Sat 4/1021:35BRU - IAD
2 stops28h 07mBritish Airways
Mon 27/1019:20IAD - BRU
1 stop20h 40mBritish Airways
Deal found 27/8£408

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 29 August 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

Sun 2/11

20:30-17:15

1 stop26h 45m

Washington, D.C. Dulles Intl

Wed 5/11

20:30-19:50

1 stop17h 20m

£389

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sun 26/10

20:30-18:15

1 stop26h 45m

Washington, D.C. Dulles Intl

Thu 30/10

21:30-14:30

1 stop12h 00m

£389

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 9/10

16:00-19:59

1 stop33h 59m

Washington, D.C. Dulles Intl

Sun 12/10

22:05-18:30

1 stop14h 25m

£389

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 27/10

10:20-18:15

1 stop12h 55m

Washington, D.C. Dulles Intl

Thu 30/10

21:30-14:30

1 stop12h 00m

£389

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 28/10

15:10-18:15

1 stop32h 05m

Washington, D.C. Dulles Intl

Thu 6/11

20:30-19:50

1 stop17h 20m

£389

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 21/10

19:10-19:59

1 stop30h 49m

Washington, D.C. Dulles Intl

Sat 8/11

20:30-14:30

1 stop12h 00m

£389

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 22/10

19:10-19:59

1 stop30h 49m

Washington, D.C. Dulles Intl

Wed 5/11

20:30-14:30

1 stop12h 00m

£389

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 28/10

20:30-18:15

1 stop26h 45m

Washington, D.C. Dulles Intl

Wed 12/11

20:30-19:50

1 stop17h 20m

£389

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sun 26/10

15:10-18:15

1 stop32h 05m

Washington, D.C. Dulles Intl

Sat 8/11

20:30-19:50

1 stop17h 20m

£389

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 27/10

10:20-18:15

1 stop12h 55m

Washington, D.C. Dulles Intl

Thu 13/11

20:30-19:50

1 stop17h 20m

£389

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 22 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 22 August 2025.

The best time to book flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport is 29 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 29 August 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.

How much does it cost for a return flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

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.

  • How long is the flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    For as low as £389, Scandinavian Airlines can have you in Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport in 26h 45m. Brussels Bruxelles-National Airport and Washington, D.C. Dulles Intl Airport are separated by a distance of 3879 mi.

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

    Consider Air Canada (75%), Austrian Airlines (75%) or SWISS (75%) when booking your flight. These represent the most reliable airlines when flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport.

  • 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
College Park
Laurel
Tysons

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