Dulles Intl

$294+ Cheap flights from Bruxelles-National (BRU) 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
Feb 28 — Mar 71
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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 Friday or Tuesday and return on a Wednesday

Cheap 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 January 29, 2026.

This TAP AIR PORTUGAL deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/285:55 pm
BRU
-
IAD
1 stop27h 20m
TAP AIR PORTUGAL
Sun 2/110:30 pm
IAD
-
BRU
1 stop19h 20m
TAP AIR PORTUGAL
Deal found 1/27$560
This lol.travel deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/511:55 am
BRU
-
IAD
Nonstop8h 40m
Lufthansa
Wed 2/185:45 pm
IAD
-
BRU
Nonstop7h 30m
Lufthansa
Deal found 1/27$561
This Expedia deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:50 am
BRU
-
IAD
1 stop12h 35m
British Airways
Thu 4/3010:25 pm
IAD
-
BRU
1 stop16h 15m
British Airways
Deal found 1/27$562
This Flighttix deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/510:00 am
BRU
-
IAD
1 stop12h 24m
Air Canada
Wed 2/1812:55 pm
IAD
-
BRU
2 stops12h 55m
Air Canada
Deal found 1/28$565
This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:00 am
BRU
-
IAD
1 stop15h 15m
TAP AIR PORTUGAL
Sun 2/810:30 pm
IAD
-
BRU
1 stop19h 20m
TAP AIR PORTUGAL
Deal found 1/29$567
This Cheapflightsfares deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:30 am
BRU
-
IAD
1 stop11h 35m
Lufthansa
Thu 9/245:45 pm
IAD
-
BRU
Nonstop7h 30m
Lufthansa
Deal found 1/26$569
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:55 pm
BRU
-
IAD
1 stop25h 45m
ITA Airways
Tue 9/84:30 pm
IAD
-
BRU
1 stop12h 10m
ITA Airways
Deal found 1/28$570
This Flighttix deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/510:00 am
BRU
-
IAD
1 stop12h 24m
Air Canada
Thu 4/309:55 am
IAD
-
BRU
1 stop15h 15m
Air Canada
Deal found 1/27$571
This Flighttix deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/511:55 am
BRU
-
IAD
Nonstop8h 40m
Multiple Airlines
Wed 2/185:45 pm
IAD
-
BRU
Nonstop7h 30m
Multiple Airlines
Deal found 1/27$574
This Cheapflightsfares deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:30 am
BRU
-
IAD
1 stop11h 35m
Lufthansa
Wed 9/95:45 pm
IAD
-
BRU
Nonstop7h 30m
Lufthansa
Deal found 1/28$576

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$562
(Expedia)

One-way from

$294
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$651

Good round-trip deal

$674 or less

Good one-way deal

$625 or less
Provider with most accurate pricing for Brussels Bruxelles-National-Washington, D.C. Dulles Intl flight deals.
Provider most trusted by Cheapflights users for Brussels Bruxelles-National-Washington, D.C. Dulles Intl flights.
From Brussels Bruxelles-National to Washington, D.C. Dulles Intl
One-way flight from Brussels Bruxelles-National to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 4% potential increase in price ($31 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Brussels Bruxelles-National to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Brussels Bruxelles-National to Washington, D.C. Dulles Intl.

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated January 29, 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 2/25

10:20 am-5:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Wed 3/4

8:30 pm-2:30 pm

1 stop12h 00m

$565

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 6/9

1:50 pm-7:20 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Fri 6/12

11:20 pm-12:55 pm

1 stop31h 35m

$571

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 4/24

12:00 pm-2:20 pm

Nonstop8h 20m

Washington, D.C. Dulles Intl

Sun 5/3

5:30 pm-7:15 am

Nonstop7h 45m

$574

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 3/11

11:55 am-3:35 pm

Nonstop8h 40m

Washington, D.C. Dulles Intl

Sun 3/15

6:45 pm-7:15 am

Nonstop7h 30m

$577

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 2/26

9:00 am-2:35 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 3/11

6:45 pm-7:15 am

Nonstop7h 30m

$578

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 3/13

8:05 am-5:05 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Fri 3/20

7:18 am-8:00 am

1 stop19h 42m

$579

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 4/24

5:00 pm-8:20 pm

1 stop33h 20m

Washington, D.C. Dulles Intl

Sat 5/9

10:25 pm-9:55 am

1 stop29h 30m

$580

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 4/25

10:10 pm-3:50 pm

1 stop23h 40m

Washington, D.C. Dulles Intl

Sun 5/3

5:40 pm-9:55 am

1 stop10h 15m

$580

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 2/27

10:45 am-4:05 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Wed 3/18

12:14 pm-10:10 am

2 stops16h 56m

$581

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 3/13

7:00 am-3:35 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Fri 3/20

6:45 pm-7:15 am

Nonstop7h 30m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 20 results
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Compare providers for flights from Bruxelles-National to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bruxelles-National to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Trip.comPrice Accuracy1 starTrust 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 Brussels Bruxelles-National Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Brussels Bruxelles-National Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Brussels Bruxelles-National 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 Brussels Bruxelles-National Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Brussels Bruxelles-National 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 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 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 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 round-trip flight from Bruxelles-National to Dulles Intl. Price data was last updated on January 23, 2026.

Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $416). Flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $557). 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 January 29, 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.

How much does it cost to fly round-trip from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

The best insider tips for Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

John Walton

John Walton

Expert on Brussels Airlines

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Blane Bachelor

Blane Bachelor

Expert on Lufthansa

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

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 January 29, 2026.
Read through reviews of airlines operating flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport, such as United Airlines, Brussels Airlines, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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?

    A quick flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport can take about 8h 40m. Scandinavian Airlines provides one of the quickest options available for as low as $577. There are 3879 mi between Brussels Bruxelles-National Airport and Washington, D.C. Dulles Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    British Airways, at $456, was found to be the cheapest airline from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Brussels Airlines and United Airlines. British Airways is currently priced 28% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $425. Users have also found prices from $528 and $545 on Brussels Airlines and Austrian Airlines, respectively.

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

    Consider SWISS (74%), Lufthansa (73%) or Air Canada (72%) 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?

    On average you can expect to pay $754 for a flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $581 while the most popular route, (Brussels Bruxelles-National - Washington, D.C. Dulles Intl) is currently priced at $432.

  • 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 vacation 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 $416). Flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $557). 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

Traveling 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
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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Alternative routes for Bruxelles-National to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Bruxelles-National to Dulles Intl

Discover the top 4 airlines that operate flights from Bruxelles-National to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$456Average$556FlexibilityNo cancel feeOn-time70%
Brussels AirlinesCheapest$487Average$660FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$497Average$666FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$558Average$769FlexibilityNo cancel feeOn-time76%

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