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Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport from £293

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 23/1. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Brussels Bruxelles-National to Washington, D.C. Dulles Intl are usually found in May or January, booked 51 days in advance, depart on a Thursday or Wednesday 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 7 November 2025.

Round-trip from

£406

One-way from

£293

Popular in

April

Cheapest in

May

Average price

£455
Scandinavian Airlines
  • Scandinavian Airlines
  • 23/4-26/4
  • 3 total stops
  • 43h 10m total
  • Brussels to Washington, D.C.
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23/1
  • 23/1
  • 1 total stop
  • 24h 15m total
  • Brussels to Washington, D.C.
Search Deals
High demand for flights, 4% 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 November 2025
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Find flight deals from Bruxelles-National to Dulles Intl

Enter your travel dates to find the best prices.

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 7 November 2025.

Thu 25/1206:00BRU - IAD
1 stop15h 15mTAP AIR PORTUGAL
Tue 30/1217:30IAD - BRU
1 stop24h 20mTAP AIR PORTUGAL
Deal found 6/11£451
Thu 20/1106:15BRU - IAD
1 stop15h 50mDelta
Mon 24/1112:11IAD - BRU
1 stop14h 49mDelta
Deal found 5/11£458
Wed 24/1208:05BRU - IAD
1 stop14h 00mKLM
Wed 31/1218:05IAD - BRU
1 stop14h 10mKLM
Deal found 6/11£461
Fri 21/1110:45BRU - IAD
1 stop11h 20mDelta
Fri 5/1212:19IAD - BRU
2 stops13h 16mDelta
Deal found 7/11£461
Sat 22/1108:05BRU - IAD
2 stops17h 03mDelta
Wed 26/1112:11IAD - BRU
1 stop14h 49mDelta
Deal found 6/11£462
Thu 20/1108:05BRU - IAD
2 stops21h 47mDelta
Fri 5/1212:19IAD - BRU
2 stops13h 16mDelta
Deal found 5/11£464
Fri 21/1110:45BRU - IAD
2 stops14h 23mDelta
Sun 23/1118:05IAD - BRU
1 stop10h 05mDelta
Deal found 6/11£466
Thu 4/1210:20BRU - IAD
2 stops14h 59mScandinavian Airlines
Mon 8/1220:30IAD - BRU
2 stops32h 20mScandinavian Airlines
Deal found 7/11£467
Thu 4/1206:15BRU - IAD
1 stop15h 50mDelta
Thu 11/1207:01IAD - BRU
2 stops18h 34mDelta
Deal found 6/11£473
Sat 6/1210:20BRU - IAD
1 stop14h 30mScandinavian Airlines
Mon 4/520:20IAD - BRU
2 stops15h 55mScandinavian Airlines
Deal found 5/11£474

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 7 November 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

Thu 12/3

10:20-18:15

1 stop12h 55m

Washington, D.C. Dulles Intl

Mon 16/3

21:30-09:40

1 stop31h 10m

£410

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 22/11

08:05-16:05

1 stop14h 00m

Washington, D.C. Dulles Intl

Wed 26/11

12:11-09:00

1 stop14h 49m

£458

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 22/11

10:45-16:05

1 stop11h 20m

Washington, D.C. Dulles Intl

Sat 6/12

18:05-10:10

1 stop10h 05m

£460

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 22/11

08:05-16:05

1 stop14h 00m

Washington, D.C. Dulles Intl

Fri 5/12

12:19-09:00

1 stop14h 41m

£460

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 20/11

08:05-16:05

1 stop14h 00m

Washington, D.C. Dulles Intl

Wed 3/12

11:06-07:35

2 stops14h 29m

£460

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 19/2

08:05-16:05

1 stop14h 00m

Washington, D.C. Dulles Intl

Fri 27/2

12:35-10:10

2 stops15h 35m

£461

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 21/11

06:15-19:08

2 stops18h 53m

Washington, D.C. Dulles Intl

Sun 7/12

12:19-09:00

1 stop14h 41m

£464

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 23/1

21:20-15:35

1 stop24h 15m

£293

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 9/3

19:45-17:30

1 stop26h 45m

£306

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 10/12

17:55-15:15

1 stop27h 20m

£377

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 19 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 31 October 2025.

The best time to book flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport is 51 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, June 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 £320). Flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of £403). 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 7 November 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.

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 £410, Scandinavian Airlines can have you in Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport in 12h 55m. Brussels Bruxelles-National Airport and Washington, D.C. Dulles Intl Airport are separated by a distance of 3879 mi. This flight may include one or multiple stops.

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

    Consider Air Canada (83%), Austrian Airlines (83%) or SWISS (83%) 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, June 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 £320). Flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of £403). 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
Alexandria
College Park

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