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Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport from £359

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Brussels Bruxelles-National to Washington, D.C. Dulles Intl are usually found in March or January, booked 78 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 30 April 2025.

Round-trip from

£359

Popular in

December

Cheapest in

March

Average price

£535

Good round-trip deal

£443 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 10/9-22/9
  • 2 total stops
  • 59h 04m total
  • Brussels to Washington, D.C.
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High demand for flights, 0% potential price rise
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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 April 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 30 April 2025.

Wed 10/920:30BRU - IAD
1 stop29h 29mScandinavian Airlines
Mon 22/922:05IAD - BRU
1 stop29h 35mScandinavian Airlines
Deal found 29/4£359
Fri 16/514:55BRU - IAD
1 stop11h 10mBritish Airways
Tue 27/519:25IAD - BRU
1 stop16h 20mBritish Airways
Deal found 28/4£359
Tue 27/507:00BRU - IAD
2 stops20h 08mUnited Airlines
Tue 3/620:45IAD - BRU
1 stop30h 05mUnited Airlines
Deal found 29/4£362
Fri 16/506:10BRU - IAD
1 stop15h 25mDelta
Tue 27/512:20IAD - BRU
2 stops15h 20mDelta
Deal found 28/4£376
Fri 5/912:00BRU - IAD
Nonstop8h 25mLufthansa
Sun 14/922:20IAD - BRU
1 stop11h 55mLufthansa
Deal found 28/4£377
Fri 13/610:20BRU - IAD
1 stop14h 35mAer Lingus
Fri 20/617:20IAD - BRU
1 stop10h 20mAer Lingus
Deal found 29/4£381
Mon 4/820:05BRU - IAD
1 stop26h 10mSWISS
Tue 19/820:45IAD - BRU
1 stop11h 30mSWISS
Deal found 29/4£386
Fri 13/610:45BRU - IAD
1 stop17h 26mVirgin Atlantic
Fri 20/606:00IAD - BRU
2 stops20h 40mVirgin Atlantic
Deal found 29/4£399
Thu 29/506:10BRU - IAD
1 stop15h 25mKLM
Thu 12/612:49IAD - BRU
1 stop13h 51mKLM
Deal found 29/4£402
Mon 1/917:30BRU - IAD
2 stops26h 25mAustrian Airlines
Thu 11/917:25IAD - BRU
1 stop14h 40mAustrian Airlines
Deal found 28/4£427
Wed 2/710:45BRU - IAD
Nonstop8h 45mBrussels Airlines
Fri 29/817:35IAD - BRU
Nonstop7h 50mBrussels Airlines
Deal found 28/4£445
Fri 25/707:20BRU - IAD
1 stop13h 20mITA Airways
Sat 6/916:30IAD - BRU
2 stops20h 45mITA Airways
Deal found 28/4£505

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 30 April 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

Wed 10/9

20:30-19:59

1 stop29h 29m

Washington, D.C. Dulles Intl

Mon 22/9

22:05-09:40

1 stop29h 35m

£359

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 16/5

14:55-20:05

1 stop11h 10m

Washington, D.C. Dulles Intl

Tue 27/5

19:25-17:45

1 stop16h 20m

£359

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 27/5

07:00-21:08

2 stops20h 08m

Washington, D.C. Dulles Intl

Tue 3/6

20:45-08:50

1 stop30h 05m

£362

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 1/9

10:45-13:30

Nonstop8h 45m

Washington, D.C. Dulles Intl

Mon 15/9

17:35-07:25

Nonstop7h 50m

£373

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 16/5

06:10-15:35

1 stop15h 25m

Washington, D.C. Dulles Intl

Tue 27/5

12:20-09:40

2 stops15h 20m

£376

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 5/9

12:00-14:25

Nonstop8h 25m

Washington, D.C. Dulles Intl

Sun 14/9

22:20-16:15

1 stop11h 55m

£377

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 13/6

10:20-18:55

1 stop14h 35m

Washington, D.C. Dulles Intl

Fri 20/6

17:20-09:40

1 stop10h 20m

£381

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 4/8

06:55-16:15

1 stop15h 20m

Washington, D.C. Dulles Intl

Fri 22/8

20:45-08:50

1 stop30h 05m

£386

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 13/6

10:45-22:55

2 stops18h 10m

Washington, D.C. Dulles Intl

Fri 20/6

06:00-08:40

2 stops20h 40m

£399

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 29/5

06:10-15:35

1 stop15h 25m

Washington, D.C. Dulles Intl

Thu 12/6

12:49-08:40

1 stop13h 51m

£402

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 19 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 25 April 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 30 April 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 30 April 2025.

The most flights from BRU to IAD are scheduled on a Tuesday (8 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 30 April 2025.
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

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
Delta
8.0
Very Good
7,936 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

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
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

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
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

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
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

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
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

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 Scandinavian Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at £359. Additional return tickets that might be worth considering are offered by British Airways and United Airlines, with the lowest prices starting at £359 and £362, respectively. Scandinavian Airlines is priced at 21% 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 £949 on British Airways. Other airlines that offer cheap prices include Lufthansa from £952 and Brussels Airlines from £1,302 one-way.

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

    Consider Air Canada (85%), Austrian Airlines (85%) or SWISS (85%) 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 £508, our data indicates the cheapest price to be £438. The most popular route (Brussels Bruxelles-National - Washington, D.C. Dulles Intl), is priced around £346.

  • 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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