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Dulles Intl

$414+ Cheap flights from Brussels 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
févr. 4 — févr. 111
mar. 2/4
mar. 2/11
1 adult, Economy
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The best prices from Brussels to Washington, D.C. Dulles Intl are usually found in January or October, booked 84 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Brussels to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Brussels (BR1) 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 janvier 30, 2025.

Round-trip from

$452
(Booking.com)

One-way from

$414
(Kiwi.com)

Popular in

February

Cheapest in

January

Average price

$539
From Brussels to Washington, D.C. Dulles Intl
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One-way flight from Brussels to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 2% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Brussels to Dulles Intl

Cheapest flights from Brussels to Dulles Intl
Explore the most affordable flight options available from Brussels to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 30, 2025.

This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 2/149:45 amBRU - IAD
1 stop16h 00mBritish Airways
jeu. 2/274:35 pmIAD - BRU
2 stops15h 20mBritish Airways
Deal found 1/29$452
This American Airlines deal was found by Cheapflights users on 1/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 3/82:45 pmBRU - IAD
1 stop11h 00mAmerican Airlines
lun. 3/1010:55 pmIAD - BRU
1 stop10h 00mAmerican Airlines
Deal found 1/30$453
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 2/1310:15 amBRU - IAD
1 stop11h 25mAer Lingus
mer. 2/265:10 pmIAD - BRU
1 stop10h 25mAer Lingus
Deal found 1/28$455
This Icelandair 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/161:50 pmBRU - IAD
1 stop11h 30mIcelandair
ven. 5/238:30 pmIAD - BRU
1 stop10h 20mIcelandair
Deal found 1/29$456
This American Airlines deal was found by Cheapflights users on 1/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/17:05 pmBRU - IAD
1 stop28h 30mMultiple Airlines
lun. 9/88:19 pmIAD - BRU
2 stops17h 16mMultiple Airlines
Deal found 1/30$460
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 2/138:30 pmBRU - IAD
1 stop25h 10mScandinavian Airlines
jeu. 2/275:10 pmIAD - BRU
1 stop10h 40mScandinavian Airlines
Deal found 1/29$465
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 11/197:00 amBRU - IAD
1 stop15h 30mIberia
lun. 11/246:00 pmIAD - BRU
1 stop14h 45mIberia
Deal found 1/29$466
This Travelis deal was found by Cheapflights users on 1/30. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 2/2011:55 amBRU - IAD
Nonstop8h 40mLufthansa
jeu. 2/275:50 pmIAD - BRU
Nonstop7h 25mLufthansa
Deal found 1/30$496
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/266:45 amBRU - IAD
2 stops14h 28mUnited Airlines
mar. 3/48:24 amIAD - BRU
1 stop17h 31mUnited Airlines
Deal found 1/29$521
This Flighttix deal was found by Cheapflights users on 1/30. 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.
sam. 2/1510:00 amBRU - IAD
1 stop11h 13mAir Canada
dim. 3/22:35 pmIAD - BRU
2 stops14h 10mAir Canada
Deal found 1/30$533
This Delta deal was found by Cheapflights users on 1/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 2/1610:45 amBRU - IAD
1 stop11h 00mDelta
sam. 2/225:16 pmIAD - BRU
2 stops14h 59mDelta
Deal found 1/30$540
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 2/146:40 amBRU - IAD
1 stop14h 50mSWISS
jeu. 2/278:45 pmIAD - BRU
1 stop11h 20mSWISS
Deal found 1/29$545

Find flights from Brussels to Dulles Intl within your budget

Customize your flight search to find flights from Brussels 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 janvier 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

ven. 2/14

9:45 am-7:45 pm

1 stop16h 00m

Washington, D.C. Dulles Intl

jeu. 2/27

4:35 pm-1:55 pm

2 stops15h 20m

$452

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

sam. 3/8

2:45 pm-7:45 pm

1 stop11h 00m

Washington, D.C. Dulles Intl

mar. 3/11

7:00 pm-4:40 pm

1 stop16h 40m

$453

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

jeu. 2/13

10:15 am-3:40 pm

1 stop11h 25m

Washington, D.C. Dulles Intl

mer. 2/26

5:10 pm-9:35 am

1 stop10h 25m

$455

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

ven. 5/16

1:50 pm-7:20 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

lun. 5/26

8:30 pm-12:50 pm

1 stop10h 20m

$456

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

mer. 2/26

8:30 pm-3:40 pm

1 stop25h 10m

Washington, D.C. Dulles Intl

dim. 3/9

6:10 pm-12:05 pm

2 stops12h 55m

$463

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

lun. 4/14

7:40 pm-3:00 pm

1 stop25h 20m

Washington, D.C. Dulles Intl

mer. 4/23

10:40 pm-3:20 pm

1 stop10h 40m

$468

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

jeu. 2/20

11:55 am-2:35 pm

Nonstop8h 40m

Washington, D.C. Dulles Intl

jeu. 2/27

5:50 pm-7:15 am

Nonstop7h 25m

$496

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

mer. 2/26

6:45 am-3:13 pm

2 stops14h 28m

Washington, D.C. Dulles Intl

mar. 3/4

8:24 am-7:55 am

1 stop17h 31m

$521

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

dim. 2/16

10:45 am-3:45 pm

1 stop11h 00m

Washington, D.C. Dulles Intl

sam. 2/22

5:16 pm-2:15 pm

2 stops14h 59m

$540

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

ven. 2/14

6:40 am-3:30 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

jeu. 2/27

8:45 pm-2:05 pm

1 stop11h 20m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 30 results
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Best time to book a flight from Brussels to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Brussels 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.

Travel insights for flights from Brussels to Dulles Intl

Get recent, data-driven insights about flights from Brussels to Dulles Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Brussels to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Brussels to Dulles Intl. Price data was last updated on January 24, 2025.

To ensure you get the cheapest price possible for a flight from Brussels to Washington, D.C. Dulles Intl Airport, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Brussels to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Brussels to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Brussels to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 Brussels 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 janvier 30, 2025.

It’s optimal to fly from Brussels to Washington, D.C. Dulles Intl Airport in the afternoon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Brussels to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Brussels 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 janvier 30, 2025.

The most flights from BR1 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 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 janvier 30, 2025.
To help decide which airline to fly from Brussels to Washington, D.C., see what other customers have to say about Delta, KLM and Finnair. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
8,450 reviews
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
1,335 reviews
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

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

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
7.5
Good
786 reviews
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
1,584 reviews
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

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 Brussels 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 to Washington, D.C. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from Brussels to Washington, D.C. Dulles Intl Airport round-trip from $452. Other airlines that can offer you cheap pricing are American Airlines, from $453, and Aer Lingus, from $455. British Airways is currently priced 29% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as $434. However, be on the lookout for offers from Iberia and TAP AIR PORTUGAL, as they are both options that can get you from Brussels to Washington, D.C. Dulles Intl Airport for a low price.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Brussels to Washington, D.C. Dulles Intl Airport on time: Air Canada (80%), Austrian Airlines (80%), Brussels Airlines (80%).

  • What are the cheapest flights from Brussels to Washington, D.C. Dulles Intl Airport?

    While on average a flight from Brussels to Washington, D.C. Dulles Intl Airport is generally $745, our data shows the cheapest flight currently is $526. When looking at the most popular route, (Brussels Bruxelles-National - Washington, D.C. Dulles Intl), you can expect to pay $413 for that flight.

  • Can I find deals for flights from Brussels to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Brussels to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Brussels to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Brussels to Dulles Intl.

  • Can I find deals for business class flights from Brussels to Dulles Intl?

    Yes. Cheapflights offers flight deals from Brussels 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 to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Brussels to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Brussels to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 Brussels?

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Top 7 airlines flying from Brussels to Dulles Intl

Discover the top 7 airlines that operate flights from Brussels 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 janvier 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$374Average$497FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$381Average$630FlexibilityNo cancel feeOn-time76%
PLAYCheapest$405Average$690FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$490Average$650FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$517Average$708FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$518Average$667FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$535Average$734FlexibilityNo cancel feeOn-timeN/A
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