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Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport from £361

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£361

Popular in

July

Cheapest in

May

Average price

£417

Good round-trip deal

£444 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 23/9-3/10
  • 2 total stops
  • 60h 24m total
  • Brussels to Washington, D.C.
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Highest demand for flights based on searches. 7% potential increase in price (£26 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 June 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 13 June 2025.

Tue 23/919:10BRU - IAD
1 stop30h 49mScandinavian Airlines
Fri 3/1022:05IAD - BRU
1 stop29h 35mScandinavian Airlines
Deal found 11/6£361
Sat 20/922:05BRU - IAD
2 stops22h 55mBritish Airways
Fri 3/1022:45IAD - BRU
1 stop14h 25mBritish Airways
Deal found 12/6£392
Thu 3/718:55BRU - IAD
1 stop25h 45mITA Airways
Tue 8/716:30IAD - BRU
1 stop12h 10mITA Airways
Deal found 11/6£419
Thu 7/813:50BRU - IAD
1 stop11h 30mIcelandair
Thu 21/823:15IAD - BRU
1 stop31h 35mIcelandair
Deal found 11/6£420
Mon 1/910:30BRU - IAD
1 stop11h 20mUnited Airlines
Mon 8/917:35IAD - BRU
Nonstop7h 50mUnited Airlines
Deal found 11/6£423
Tue 23/910:30BRU - IAD
1 stop11h 20mLufthansa
Fri 3/1017:45IAD - BRU
Nonstop7h 30mLufthansa
Deal found 11/6£440
Mon 30/610:45BRU - IAD
Nonstop8h 45mBrussels Airlines
Sun 13/717:45IAD - BRU
Nonstop7h 30mBrussels Airlines
Deal found 11/6£441
Mon 30/620:05BRU - IAD
1 stop26h 10mSWISS
Sun 13/720:45IAD - BRU
1 stop16h 30mSWISS
Deal found 11/6£446
Thu 3/712:00BRU - IAD
Nonstop8h 25mMultiple Airlines
Fri 11/720:45IAD - BRU
1 stop16h 30mMultiple Airlines
Deal found 12/6£447
Fri 17/1020:55BRU - IAD
1 stop29h 10mTAP AIR PORTUGAL
Sat 1/1118:30IAD - BRU
1 stop17h 35mTAP AIR PORTUGAL
Deal found 13/6£499
Sat 20/919:15BRU - IAD
2 stops25h 05mAustrian Airlines
Fri 3/1017:25IAD - BRU
2 stops19h 45mAustrian Airlines
Deal found 12/6£514
Mon 30/610:45BRU - IAD
1 stop15h 05mVirgin Atlantic
Mon 14/707:02IAD - BRU
2 stops19h 38mVirgin Atlantic
Deal found 11/6£517

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 13 June 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

Tue 23/9

19:10-19:59

1 stop30h 49m

Washington, D.C. Dulles Intl

Fri 3/10

22:05-09:40

1 stop29h 35m

£361

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 20/9

22:05-15:00

2 stops22h 55m

Washington, D.C. Dulles Intl

Fri 3/10

22:45-19:10

1 stop14h 25m

£392

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 3/7

18:55-14:40

1 stop25h 45m

Washington, D.C. Dulles Intl

Tue 8/7

16:30-10:40

1 stop12h 10m

£419

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 7/8

13:50-19:20

1 stop11h 30m

Washington, D.C. Dulles Intl

Thu 21/8

23:15-12:50

1 stop31h 35m

£420

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 1/9

10:30-15:50

1 stop11h 20m

Washington, D.C. Dulles Intl

Mon 8/9

17:35-07:25

Nonstop7h 50m

£423

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 23/9

10:30-15:50

1 stop11h 20m

Washington, D.C. Dulles Intl

Fri 3/10

17:45-07:15

Nonstop7h 30m

£440

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 30/6

10:45-13:30

Nonstop8h 45m

Washington, D.C. Dulles Intl

Sun 13/7

17:45-07:15

Nonstop7h 30m

£441

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 31/7

10:45-13:30

Nonstop8h 45m

Washington, D.C. Dulles Intl

Tue 12/8

17:45-07:15

Nonstop7h 30m

£445

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 30/6

20:05-16:15

1 stop26h 10m

Washington, D.C. Dulles Intl

Sun 13/7

20:45-19:15

1 stop16h 30m

£446

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 17/10

20:55-20:05

1 stop29h 10m

Washington, D.C. Dulles Intl

Sat 1/11

18:30-17:05

1 stop17h 35m

£499

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 17 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 9 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 13 June 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 13 June 2025.

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

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 13 June 2025.
Read through reviews of airlines operating flights from Brussels to Washington, D.C., such as Delta, Austrian Airlines and Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,624 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 £361. Additional return tickets that might be worth considering are offered by British Airways and ITA Airways, with the lowest prices starting at £392 and £419, respectively. Scandinavian Airlines is priced at 19% lower than the current average price of a flight leaving 3 months from now.

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

    Consider Air Canada (80%), Austrian Airlines (80%) or SWISS (80%) 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 £506, our data indicates the cheapest price to be £430. The most popular route (Brussels Bruxelles-National - Washington, D.C. Dulles Intl), is priced around £452.

  • 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
Arlington
Woodbridge
Hanover
Oxon Hill
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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest£388Average£409FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

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