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Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport from £248

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
7 Mar — 14 Mar1
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 June, booked 51 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap 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 5 February 2026.

Wed 21/1011:00
BRU
-
IAD
1 stop10h 50m
Multiple Airlines
Fri 30/1022:45
IAD
-
BRU
1 stop9h 55m
Multiple Airlines
Deal found 4/2£416
Tue 24/312:00
BRU
-
IAD
1 stop13h 55m
Multiple Airlines
Thu 2/417:40
IAD
-
BRU
1 stop21h 00m
Multiple Airlines
Deal found 4/2£417
Wed 30/915:15
BRU
-
IAD
1 stop31h 35m
Scandinavian Airlines
Wed 7/1020:20
IAD
-
BRU
1 stop16h 10m
Scandinavian Airlines
Deal found 4/2£419
Thu 5/1110:20
BRU
-
IAD
1 stop12h 55m
Scandinavian Airlines
Mon 9/1120:30
IAD
-
BRU
1 stop31h 10m
Scandinavian Airlines
Deal found 4/2£420
Tue 1/921:10
BRU
-
IAD
2 stops25h 40m
Scandinavian Airlines
Sat 19/920:20
IAD
-
BRU
1 stop20h 40m
Scandinavian Airlines
Deal found 3/2£427
Mon 13/405:45
BRU
-
IAD
1 stop17h 05m
Scandinavian Airlines
Sat 18/420:20
IAD
-
BRU
2 stops18h 20m
Scandinavian Airlines
Deal found 5/2£430
Wed 17/618:55
BRU
-
IAD
1 stop25h 45m
ITA Airways
Fri 24/716:30
IAD
-
BRU
1 stop19h 30m
ITA Airways
Deal found 4/2£433
Sat 18/413:50
BRU
-
IAD
1 stop11h 30m
Icelandair
Wed 29/420:30
IAD
-
BRU
1 stop10h 25m
Icelandair
Deal found 3/2£434
Fri 16/1013:50
BRU
-
IAD
1 stop11h 30m
Icelandair
Sat 31/1020:40
IAD
-
BRU
1 stop10h 15m
Icelandair
Deal found 3/2£435

Find 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 5 February 2026.

Round-trip from

£416

One-way from

£248

Popular in

December

Cheapest in

May

Average price

£428

Good round-trip deal

£618 or less
1/6-15/6
  • 1/6-15/6
  • 2 total stops
  • 30h 45m total
  • Brussels to Washington, D.C.
Search Deals
27/5
  • 27/5
  • 1 total stop
  • 15h 20m total
  • Brussels to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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Price to beat on a round-trip flight from Brussels Bruxelles-National to Washington, D.C. Dulles Intl.
Search Deals

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 5 February 2026.
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

Wed 17/6

18:55-14:40

1 stop25h 45m

Washington, D.C. Dulles Intl

Mon 20/7

16:30-12:25

1 stop13h 55m

£433

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 9/5

13:50-19:20

1 stop11h 30m

Washington, D.C. Dulles Intl

Sat 23/5

20:30-12:55

1 stop10h 25m

£435

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 23/4

13:50-19:20

1 stop11h 30m

Washington, D.C. Dulles Intl

Sun 3/5

20:30-12:55

1 stop10h 25m

£440

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sun 19/4

13:50-19:20

1 stop11h 30m

Washington, D.C. Dulles Intl

Sat 2/5

20:30-12:55

1 stop10h 25m

£440

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 23/4

13:50-19:20

1 stop11h 30m

Washington, D.C. Dulles Intl

Fri 1/5

20:30-12:55

1 stop10h 25m

£440

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 17/6

18:55-14:40

1 stop25h 45m

Washington, D.C. Dulles Intl

Sun 19/7

16:30-11:00

2 stops36h 30m

£445

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 18/2

10:20-17:15

1 stop12h 55m

Washington, D.C. Dulles Intl

Mon 16/3

21:30-14:30

1 stop12h 00m

£459

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 9/5

08:05-15:35

1 stop13h 30m

Washington, D.C. Dulles Intl

Sat 23/5

12:42-07:40

1 stop12h 58m

£466

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 26/2

10:45-16:05

1 stop11h 20m

Washington, D.C. Dulles Intl

Wed 11/3

10:06-08:00

1 stop16h 54m

£467

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 23/4

08:05-15:35

1 stop13h 30m

Washington, D.C. Dulles Intl

Mon 4/5

18:10-14:40

1 stop14h 30m

£467

Flights are sorted by cheapest return flights first.

Deals found on 1/2

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 30 January 2026.

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, May 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 £304). Flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of £407). 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 5 February 2026.

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 £434, Icelandair can have you in Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport in 11h 30m. 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 SWISS (81%), Air Canada (78%) or Austrian Airlines (78%) 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 £653, our data indicates the cheapest price to be £541. The most popular route (Brussels Bruxelles-National - Washington, D.C. Dulles Intl), is priced around £484.

  • 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, May 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 £304). Flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of £407). 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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