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Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. from $361

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Brussels Bruxelles-National Airport to Washington, D.C. departing on 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Brussels Bruxelles-National Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
10:20 am - 6:15 pmBRU-IAD
12h 55m1 stop
Scandinavian Airlines Logo
9:30 pm - 6:40 pmIAD-BRU
16h 10m2 stops
$518Scandinavian Airlines
Find Deal
Mon, Mar 16 - Mon, Mar 23
Scandinavian Airlines Logo
7:20 pm - 6:15 pmBRU-IAD
27h 55m2 stops
Scandinavian Airlines Logo
9:30 pm - 6:40 pmIAD-BRU
16h 10m2 stops
$523Scandinavian Airlines
Find Deal
Tue, Mar 17 - Mon, Mar 23
Aer Lingus Logo
10:15 am - 3:35 pmBRU-IAD
11h 20m1 stop
Aer Lingus Logo
9:00 pm - 3:30 pmIAD-BRU
12h 30m1 stop
$524Aer Lingus
Find Deal
Thu, Dec 11 - Thu, Dec 18
Scandinavian Airlines Logo
10:20 am - 6:15 pmBRU-IAD
12h 55m1 stop
Scandinavian Airlines Logo
9:30 pm - 9:40 amIAD-BRU
31h 10m1 stop
$527Scandinavian Airlines
Find Deal
Thu, Mar 12 - Mon, Mar 16
Aer Lingus Logo
10:15 am - 7:30 pmBRU-IAD
15h 15m1 stop
Aer Lingus Logo
5:05 pm - 9:35 amIAD-BRU
10h 30m1 stop
$532Aer Lingus
Find Deal
Thu, Nov 13 - Mon, Nov 17
TAP AIR PORTUGAL Logo
6:00 am - 2:35 pmBRU-IAD
14h 35m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 11:00 amIAD-BRU
11h 30m1 stop
$561TAP AIR PORTUGAL
Find Deal
Tue, Jan 13 - Sat, Jan 17
TAP AIR PORTUGAL Logo
6:00 am - 3:15 pmBRU-IAD
15h 15m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 5:05 pmIAD-BRU
17h 35m1 stop
$598TAP AIR PORTUGAL
Find Deal
Thu, Dec 25 - Tue, Dec 30
Lufthansa Logo
9:00 am - 3:50 pmBRU-IAD
12h 50m1 stop
Lufthansa Logo
5:45 pm - 7:15 amIAD-BRU
7h 30mnonstop
$610Lufthansa
Find Deal
Mon, Nov 10 - Sun, Nov 23
Lufthansa Logo
9:00 am - 2:35 pmBRU-IAD
11h 35m1 stop
Lufthansa Logo
5:45 pm - 7:15 amIAD-BRU
7h 30mnonstop
$615Lufthansa
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Thu, Nov 13 - Wed, Nov 26
United Airlines Logo
7:00 am - 4:21 pmBRU-IAD
15h 21m2 stops
United Airlines Logo
5:19 pm - 1:15 pmIAD-BRU
13h 56m2 stops
$630United Airlines
Find Deal
Thu, Nov 20 - Sat, Dec 6

Scandinavian Airlines flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

Our best Scandinavian Airlines deals on Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flight tickets
Scandinavian Airlines
Mar 16
BRU10:20 amBrussels Bruxelles-National
12h 55m
1 stop
IAD6:15 pmWashington, D.C. Dulles Intl
Mar 23
IAD9:30 pmWashington, D.C. Dulles Intl
16h 10m
2 stops
BRU6:40 pmBrussels Bruxelles-National
$518
Find similar
Scandinavian Airlines
Mar 17
BRU7:20 pmBrussels Bruxelles-National
27h 55m
2 stops
IAD6:15 pmWashington, D.C. Dulles Intl
Mar 23
IAD9:30 pmWashington, D.C. Dulles Intl
16h 10m
2 stops
BRU6:40 pmBrussels Bruxelles-National
$523
Find similar
Scandinavian Airlines
Mar 12
BRU10:20 amBrussels Bruxelles-National
12h 55m
1 stop
IAD6:15 pmWashington, D.C. Dulles Intl
Mar 16
IAD9:30 pmWashington, D.C. Dulles Intl
31h 10m
1 stop
BRU9:40 amBrussels Bruxelles-National
$527
Find similar

TAP AIR PORTUGAL flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

Our best TAP AIR PORTUGAL deals on Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flight tickets
TAP AIR PORTUGAL
Jan 13
BRU6:00 amBrussels Bruxelles-National
14h 35m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Jan 17
IAD5:30 pmWashington, D.C. Dulles Intl
11h 30m
1 stop
BRU11:00 amBrussels Bruxelles-National
$561
Find similar
TAP AIR PORTUGAL
Dec 25
BRU6:00 amBrussels Bruxelles-National
15h 15m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Dec 30
IAD5:30 pmWashington, D.C. Dulles Intl
17h 35m
1 stop
BRU5:05 pmBrussels Bruxelles-National
$598
Find similar
TAP AIR PORTUGAL
Jan 7
BRU5:55 pmBrussels Bruxelles-National
27h 20m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Jan 12
IAD5:30 pmWashington, D.C. Dulles Intl
24h 20m
1 stop
BRU11:50 pmBrussels Bruxelles-National
$600
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated October 29, 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

Fly to

Route

Depart

Return

Price

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 3/16

10:20 am-6:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Mon 3/23

9:30 pm-6:40 pm

2 stops16h 10m

$518

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 3/17

7:20 pm-6:15 pm

2 stops27h 55m

Washington, D.C. Dulles Intl

Mon 3/23

9:30 pm-6:40 pm

2 stops16h 10m

$523

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 12/11

10:15 am-3:35 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Thu 12/18

9:00 pm-3:30 pm

1 stop12h 30m

$524

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 3/12

10:20 am-6:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Mon 3/16

9:30 pm-9:40 am

1 stop31h 10m

$527

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 11/13

10:15 am-7:30 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Mon 11/17

5:05 pm-9:35 am

1 stop10h 30m

$532

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 1/13

6:00 am-2:35 pm

1 stop14h 35m

Washington, D.C. Dulles Intl

Sat 1/17

5:30 pm-11:00 am

1 stop11h 30m

$561

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 12/25

6:00 am-3:15 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Tue 12/30

5:30 pm-5:05 pm

1 stop17h 35m

$598

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 11/10

9:00 am-3:50 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Sun 11/23

5:45 pm-7:15 am

Nonstop7h 30m

$610

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 11/13

9:00 am-2:35 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 11/26

5:45 pm-7:15 am

Nonstop7h 30m

$615

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 11/20

7:00 am-4:21 pm

2 stops15h 21m

Washington, D.C. Dulles Intl

Sat 12/6

5:19 pm-1:15 pm

2 stops13h 56m

$630

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, May is the cheapest month to fly from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $493. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $542.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $699. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport for around $798.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $619 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $726 on average. Flights to Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Brussels Bruxelles-National to Washington, D.C. Dulles Intl flight route?

Fly from Brussels Bruxelles-National to Washington, D.C. Dulles Intl for the best Brussels Bruxelles-National - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $608 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport for as low as $540 on momondo.

What cabin class options are available on Brussels Bruxelles-National to Washington, D.C. Dulles Intl flights?

There are 3 cabin classes available to choose from on Brussels Bruxelles-National to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of October 2025, prices for Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport (BRU to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

Best Price Found

$796

Fastest flight time

8h 20m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport in the past 72 hours is $796. The best round-trip flight deal from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $734.
The fastest flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport takes 8h 20m
Direct flights go from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Brussels Bruxelles-National to Washington, D.C. Dulles Intl by plane?

    Brussels Bruxelles-National and Washington, D.C. Dulles Intl are 3878.5 mi apart from one another. In terms of flight time, this usually takes a little over 8h 40m.

  • When did momondo last update prices for flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How many operators does momondo search for flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $456Free CancellationRating
6.7
7,487 reviews
Search British Airways flights
United AirlinesPriceFrom $470Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $496Free CancellationRating
7.2
369 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $528Free CancellationRating
6.8
7,541 reviews
Search Lufthansa flights

  • United Airlines Flights From Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

    United Airlines flies from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport around 6 times per week, with 8,999 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport in the last 72 hours was $470 (round-trip), much lower than the average airfare cost of $642 for United Airlines flights on this route.

  • Brussels Airlines Flights From Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

    $496 is the best Brussels Airlines flight deal from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport found on momondo over the last 72 hours. The average Brussels Airlines ticket price found was closer to $662, however, with flight time and availability significantly affecting the price. Brussels Airlines (7.2/10 from 369 user reviews) flies into Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport 6 times in an average week so prices can vary.

Traveling to a place near Washington, D.C.?

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Why use momondo?

Why should I use momondo to find a flight deal from Brussels to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Brussels.

Can I find flights from Brussels to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Brussels with this policy.

How can momondo help me find flights from Brussels to Washington, D.C.?

momondo helps you find the best flight between Brussels and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Brussels to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Brussels to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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