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Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport from £365

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
16 Jul — 23 Jul1
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 78 days in advance, depart on a Sunday or Monday 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 11 July 2025.

Round-trip from

£365

Popular in

July

Cheapest in

May

Average price

£531

Good round-trip deal

£447 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 7/9-13/9
  • 3 total stops
  • 38h 49m total
  • Brussels to Washington, D.C.
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Highest demand for flights based on searches. 7% potential increase in price (£25 potential increase over avg. return price).
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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 July 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 11 July 2025.

Mon 22/916:00BRU - IAD
1 stop33h 59mScandinavian Airlines
Fri 3/1022:05IAD - BRU
1 stop29h 35mScandinavian Airlines
Deal found 10/7£369
Thu 9/1021:10BRU - IAD
2 stops28h 35mBritish Airways
Sun 12/1020:25IAD - BRU
2 stops18h 00mBritish Airways
Deal found 9/7£410
Sat 1/1107:00BRU - IAD
2 stops18h 59mUnited Airlines
Sat 8/1106:30IAD - BRU
1 stop20h 25mUnited Airlines
Deal found 10/7£411
Sat 23/807:00BRU - IAD
1 stop12h 30mLufthansa
Mon 25/817:45IAD - BRU
Nonstop7h 30mLufthansa
Deal found 10/7£419
Fri 25/706:55BRU - IAD
1 stop15h 20mSWISS
Tue 29/720:45IAD - BRU
1 stop11h 30mSWISS
Deal found 9/7£429
Sun 13/720:10BRU - IAD
2 stops24h 30mITA Airways
Sat 19/716:30IAD - BRU
1 stop19h 30mITA Airways
Deal found 10/7£445
Fri 15/812:00BRU - IAD
Nonstop8h 25mMultiple Airlines
Wed 13/517:35IAD - BRU
Nonstop7h 50mMultiple Airlines
Deal found 10/7£455
Fri 15/810:45BRU - IAD
1 stop16h 57mDelta
Wed 13/517:25IAD - BRU
1 stop10h 15mDelta
Deal found 10/7£465

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 11 July 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 7/9

21:20-19:59

2 stops28h 39m

Washington, D.C. Dulles Intl

Sat 13/9

22:05-14:15

1 stop10h 10m

£365

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 17/10

19:35-19:45

2 stops30h 10m

Washington, D.C. Dulles Intl

Sat 1/11

20:25-16:40

2 stops39h 15m

£390

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 30/8

07:00-16:18

2 stops15h 18m

Washington, D.C. Dulles Intl

Sat 6/9

13:00-08:05

1 stop13h 05m

£411

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 23/8

07:00-13:30

1 stop12h 30m

Washington, D.C. Dulles Intl

Mon 25/8

17:45-07:15

Nonstop7h 30m

£419

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 7/8

12:00-14:25

Nonstop8h 25m

Washington, D.C. Dulles Intl

Thu 21/8

20:45-14:15

1 stop11h 30m

£427

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 25/7

06:55-16:15

1 stop15h 20m

Washington, D.C. Dulles Intl

Tue 29/7

20:45-14:15

1 stop11h 30m

£429

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 17/10

13:50-22:10

1 stop14h 20m

Washington, D.C. Dulles Intl

Sat 1/11

20:40-11:55

1 stop10h 15m

£450

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 17/10

12:00-14:25

Nonstop8h 25m

£826

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 9/8

10:45-13:30

Nonstop8h 45m

£967

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 11/8

10:50-13:30

Nonstop8h 40m

£968

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 12 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 27 June 2025.

The best time to book flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport is 78 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 11 July 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 11 July 2025.

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

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

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 11 July 2025.
Check out reviews from past customers who have flown with SWISS, United Airlines, andScandinavian Airlines from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,655 reviews
Check prices

Overall

7.5

Boarding

7.6

Comfort

7.4

Food

7.0

Crew

8.2

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
SWISS
7.5
Good
1,655 reviews
SWISS
7.5
Good
1,655 reviews
Check prices

Overall

7.5

Boarding

7.6

Comfort

7.4

Food

7.0

Crew

8.2

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
United Airlines
7.4
Good
8,846 reviews
SWISS
7.5
Good
1,655 reviews
Check prices

Overall

7.5

Boarding

7.6

Comfort

7.4

Food

7.0

Crew

8.2

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Scandinavian Airlines
7.3
Good
1,421 reviews
SWISS
7.5
Good
1,655 reviews
Check prices

Overall

7.5

Boarding

7.6

Comfort

7.4

Food

7.0

Crew

8.2

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Brussels Airlines
7.3
Good
351 reviews
SWISS
7.5
Good
1,655 reviews
Check prices

Overall

7.5

Boarding

7.6

Comfort

7.4

Food

7.0

Crew

8.2

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Ethiopian Air
7.2
Good
790 reviews
SWISS
7.5
Good
1,655 reviews
Check prices

Overall

7.5

Boarding

7.6

Comfort

7.4

Food

7.0

Crew

8.2

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

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 Scandinavian Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at £365. Additional return tickets that might be worth considering are offered by British Airways and United Airlines, with the lowest prices starting at £390 and £411, respectively. Scandinavian Airlines is priced at 18% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as £826 on Lufthansa. Other airlines that offer cheap prices include United Airlines from £967 and Brussels Airlines from £968 one-way.

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

    Consider Air Canada (88%), Austrian Airlines (88%) or SWISS (88%) 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 £543, our data indicates the cheapest price to be £404. The most popular route (Brussels Bruxelles-National - Washington, D.C. Dulles Intl), is priced around £1,029.

  • 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
Hanover
Oxon Hill
Arlington
Woodbridge
College Park
Laurel
Tysons

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Top airline flying from Bruxelles-National to Dulles Intl

Discover the top airline 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 858,174 searches. Data last updated 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest£388Average£409FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

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