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Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport from £360

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Brussels Bruxelles-National to Washington, D.C. Dulles Intl are usually found in January or February, booked 84 days in advance, depart on a Saturday or Tuesday 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 25 March 2025.

Round-trip from

£360

Popular in

December

Cheapest in

January

Average price

£538

Good round-trip deal

£389 or less
United Airlines
  • United Airlines
  • 10/5-18/5
  • 3 total stops
  • 49h 38m total
  • Brussels to Washington, D.C.
High demand for flights, 2% potential price rise
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from Brussels Bruxelles-National to Washington, D.C. Dulles Intl.

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 25 March 2025.

Sat 10/507:00BRU - IAD
2 stops20h 08mUnited Airlines
Sun 18/513:53IAD - BRU
2 stops13h 52mUnited Airlines
Deal found 24/3£360
Mon 18/815:00BRU - IAD
1 stop31h 15mSWISS
Sun 31/820:45IAD - BRU
1 stop30h 05mSWISS
Deal found 24/3£366
Thu 15/510:20BRU - IAD
1 stop15h 39mScandinavian Airlines
Fri 30/522:05IAD - BRU
2 stops31h 10mScandinavian Airlines
Deal found 25/3£368
Fri 15/812:00BRU - IAD
Nonstop8h 25mLufthansa
Wed 3/917:10IAD - BRU
2 stops13h 50mLufthansa
Deal found 25/3£374
Wed 10/919:55BRU - IAD
1 stop24h 40mAustrian Airlines
Mon 22/917:45IAD - BRU
2 stops33h 20mAustrian Airlines
Deal found 24/3£398
Mon 31/308:00BRU - IAD
1 stop13h 35mDelta
Mon 14/410:15IAD - BRU
2 stops15h 15mDelta
Deal found 24/3£414
Fri 9/512:00BRU - IAD
Nonstop8h 15mBrussels Airlines
Sat 24/517:35IAD - BRU
Nonstop7h 50mBrussels Airlines
Deal found 23/3£417
Mon 12/510:45BRU - IAD
1 stop14h 54mVirgin Atlantic
Sat 17/520:33IAD - BRU
1 stop30h 07mVirgin Atlantic
Deal found 24/3£421
Thu 19/618:55BRU - IAD
1 stop25h 45mITA Airways
Sun 6/716:30IAD - BRU
2 stops34h 05mITA Airways
Deal found 24/3£438
Fri 17/1005:55BRU - IAD
1 stop15h 25mTAP AIR PORTUGAL
Sat 1/1118:30IAD - BRU
1 stop11h 30mTAP AIR PORTUGAL
Deal found 25/3£449
Sun 21/1211:55BRU - IAD
Nonstop8h 40mMultiple Airlines
Sat 27/1218:25IAD - BRU
1 stop12h 45mMultiple Airlines
Deal found 24/3£450
Fri 28/1109:45BRU - IAD
1 stop11h 50mBritish Airways
Mon 1/1220:11IAD - BRU
2 stops14h 29mBritish Airways
Deal found 25/3£455

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 25 March 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

Fri 2/5

09:40-09:39

1 stop29h 59m

Washington, D.C. Dulles Intl

Tue 13/5

08:21-08:05

2 stops17h 44m

£367

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 15/5

10:20-19:59

1 stop15h 39m

Washington, D.C. Dulles Intl

Fri 30/5

22:05-11:15

2 stops31h 10m

£368

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 15/8

12:00-14:25

Nonstop8h 25m

Washington, D.C. Dulles Intl

Wed 3/9

17:10-13:00

2 stops13h 50m

£374

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 12/8

18:00-15:25

1 stop27h 25m

Washington, D.C. Dulles Intl

Fri 5/9

20:45-08:50

1 stop30h 05m

£382

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 10/9

19:55-14:35

1 stop24h 40m

Washington, D.C. Dulles Intl

Mon 22/9

17:45-09:05

2 stops33h 20m

£398

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 9/5

12:00-14:15

Nonstop8h 15m

Washington, D.C. Dulles Intl

Sat 24/5

17:35-07:25

Nonstop7h 50m

£417

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 10/4

08:00-15:35

1 stop13h 35m

Washington, D.C. Dulles Intl

Wed 23/4

10:15-07:30

2 stops15h 15m

£419

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 12/5

10:45-21:34

2 stops16h 49m

Washington, D.C. Dulles Intl

Sat 17/5

20:33-08:40

1 stop30h 07m

£421

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 19/6

18:55-14:40

1 stop25h 45m

Washington, D.C. Dulles Intl

Sun 6/7

16:30-08:35

2 stops34h 05m

£438

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 21/7

20:55-15:20

1 stop24h 25m

Washington, D.C. Dulles Intl

Mon 4/8

22:20-20:05

1 stop15h 45m

£499

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 13 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 21 March 2025.

The best time to book flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport is 84 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 25 March 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 25 March 2025.

The most flights from BRU to IAD are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, 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 25 March 2025.
Read through reviews of airlines operating flights from Brussels to Washington, D.C., such as Delta, Austrian Airlines and SWISS. 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.

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 United Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at £360. Additional return tickets that might be worth considering are offered by SWISS and Scandinavian Airlines, with the lowest prices starting at £366 and £368, respectively. United Airlines is priced at 26% 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 (90%), Austrian Airlines (90%) or Brussels Airlines (90%) 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 £481, our data indicates the cheapest price to be £361. The most popular route (Brussels Bruxelles-National - Washington, D.C. Dulles Intl), is priced around £359.

  • 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
College Park
Laurel
Tysons

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