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Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. from $342

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 9/25. 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

Scandinavian Airlines Logo
10:20 am - 5:15 pmBRU-IAD
12h 55m1 stop
Scandinavian Airlines Logo
8:30 pm - 2:30 pmIAD-BRU
12h 00m1 stop
$458Scandinavian Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 11
Scandinavian Airlines Logo
8:30 pm - 7:59 pmBRU-IAD
29h 29m1 stop
Scandinavian Airlines Logo
10:05 pm - 12:00 pmIAD-BRU
31h 55m2 stops
$465Scandinavian Airlines
Find Deal
Tue, Sep 23 - Sun, Sep 28
Aer Lingus Logo
10:20 am - 3:50 pmBRU-IAD
11h 30m1 stop
Aer Lingus Logo
5:05 pm - 9:35 amIAD-BRU
10h 30m1 stop
$496Aer Lingus
Find Deal
Thu, Aug 21 - Sat, Nov 15
United Airlines Logo
2:25 pm - 8:05 pmBRU-IAD
11h 40m1 stop
United Airlines Logo
9:35 am - 8:05 amIAD-BRU
16h 30m1 stop
$498United Airlines
Find Deal
Sat, Aug 16 - Mon, Sep 1
United Airlines Logo
12:00 pm - 2:25 pmBRU-IAD
8h 25mnonstop
United Airlines Logo
6:35 pm - 1:15 pmIAD-BRU
12h 40m1 stop
$499United Airlines
Find Deal
Fri, Aug 15 - Sun, Aug 31
Lufthansa Logo
12:00 pm - 2:25 pmBRU-IAD
8h 25mnonstop
Lufthansa Logo
5:45 pm - 7:15 amIAD-BRU
7h 30mnonstop
$501Lufthansa
Find Deal
Fri, Aug 15 - Sun, Aug 31
Lufthansa Logo
2:25 pm - 8:00 pmBRU-IAD
11h 35m1 stop
Lufthansa Logo
5:45 pm - 7:15 amIAD-BRU
7h 30mnonstop
$511Lufthansa
Find Deal
Sat, Sep 13 - Sat, Sep 20
Aer Lingus Logo
10:20 am - 3:50 pmBRU-IAD
11h 30m1 stop
Aer Lingus Logo
5:20 pm - 9:40 amIAD-BRU
10h 20m1 stop
$514Aer Lingus
Find Deal
Thu, Aug 28 - Thu, Sep 4
British Airways Logo
10:50 am - 11:50 pmBRU-IAD
19h 00m2 stops
British Airways Logo
7:25 pm - 2:15 pmIAD-BRU
12h 50m1 stop
$522British Airways
Find Deal
Thu, Oct 9 - Sun, Oct 12
British Airways Logo
9:15 pm - 6:52 pmBRU-IAD
27h 37m2 stops
British Airways Logo
6:20 pm - 4:35 pmIAD-BRU
16h 15m1 stop
$524British Airways
Find Deal
Mon, Aug 11 - Sat, Nov 8

Aer Lingus flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

Our best Aer Lingus deals on Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flight tickets
Aer Lingus
Aug 21
BRU10:20 amBrussels Bruxelles-National
11h 30m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Nov 15
IAD5:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National
$496
Find similar
Aer Lingus
Aug 28
BRU10:20 amBrussels Bruxelles-National
11h 30m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Sep 4
IAD5:20 pmWashington, D.C. Dulles Intl
10h 20m
1 stop
BRU9:40 amBrussels Bruxelles-National
$514
Find similar
Aer Lingus
Oct 18
BRU10:20 amBrussels Bruxelles-National
11h 30m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Oct 20
IAD5:20 pmWashington, D.C. Dulles Intl
10h 20m
1 stop
BRU9:40 amBrussels Bruxelles-National
$520
Find similar

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
Nov 27
BRU10:20 amBrussels Bruxelles-National
12h 55m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
Dec 11
IAD8:30 pmWashington, D.C. Dulles Intl
12h 00m
1 stop
BRU2:30 pmBrussels Bruxelles-National
$458
Find similar
Scandinavian Airlines
Sep 23
BRU8:30 pmBrussels Bruxelles-National
29h 29m
1 stop
IAD7:59 pmWashington, D.C. Dulles Intl
Sep 28
IAD10:05 pmWashington, D.C. Dulles Intl
31h 55m
2 stops
BRU12:00 pmBrussels Bruxelles-National
$465
Find similar
Scandinavian Airlines
Aug 29
BRU7:00 pmBrussels Bruxelles-National
30h 59m
2 stops
IAD7:59 pmWashington, D.C. Dulles Intl
Sep 5
IAD10:05 pmWashington, D.C. Dulles Intl
31h 10m
2 stops
BRU11:15 amBrussels Bruxelles-National
$466
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 July 31, 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

Thu 11/27

10:20 am-5:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Thu 12/11

8:30 pm-2:30 pm

1 stop12h 00m

$458

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 9/23

8:30 pm-7:59 pm

1 stop29h 29m

Washington, D.C. Dulles Intl

Sun 9/28

10:05 pm-12:00 pm

2 stops31h 55m

$465

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 8/21

10:20 am-3:50 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Sat 11/15

5:05 pm-9:35 am

1 stop10h 30m

$496

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 8/16

2:25 pm-8:05 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Mon 9/1

9:35 am-8:05 am

1 stop16h 30m

$498

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 8/15

12:00 pm-2:25 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

Sun 8/31

6:35 pm-1:15 pm

1 stop12h 40m

$499

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 8/15

12:00 pm-2:25 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

Sun 8/31

5:45 pm-7:15 am

Nonstop7h 30m

$501

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 9/13

2:25 pm-8:00 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sat 9/20

5:45 pm-7:15 am

Nonstop7h 30m

$511

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 8/28

10:20 am-3:50 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Thu 9/4

5:20 pm-9:40 am

1 stop10h 20m

$514

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 10/9

10:50 am-11:50 pm

2 stops19h 00m

Washington, D.C. Dulles Intl

Sun 10/12

7:25 pm-2:15 pm

1 stop12h 50m

$522

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 8/11

9:15 pm-6:52 pm

2 stops27h 37m

Washington, D.C. Dulles Intl

Sat 11/8

6:20 pm-4:35 pm

1 stop16h 15m

$524

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 typical price of a round-trip flight between Brussels Bruxelles-National Airport and Washington, D.C. Dulles Intl Airport?

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 March is also cheap. Prices for this month can be found on momondo for an average of $536.

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

Our data shows that Thursday 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 $701. When flying out on a Sunday, 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 $782.

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 $723 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 $605 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 $572 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 July 2025, prices for Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flights are approximately 8% more expensive 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

$342

Fastest flight time

8h 25m

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 $342. 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 $458.
The fastest flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport takes 8h 25m
Direct flights go from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport every day.
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  • 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 25m.

  • 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
6.6
7,221 reviews
Search British Airways flights
Aer LingusPriceFrom $468Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $470Free CancellationRating
7.4
8,902 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $496Free CancellationRating
7.2
350 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $525Free CancellationRating
6.8
7,269 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 11 times per week, with 8,902 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 $637 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 $666, however, with flight time and availability significantly affecting the price. Brussels Airlines (7.2/10 from 350 user reviews) flies into Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport 10 times in an average week so prices can vary.

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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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