Cheap flights from Brussels to Washington, D.C. from $348

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 to Washington, D.C. departing on 1/17. 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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Multiple Airlines Logo
9:10 am - 6:30 pmBRU-IAD
15h 20m2 stops
Multiple Airlines Logo
7:40 pm - 5:35 pmIAD-BRU
15h 55m2 stops
$521Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
9:10 am - 6:30 pmBRU-IAD
15h 20m2 stops
Multiple Airlines Logo
7:40 pm - 5:35 pmIAD-BRU
15h 55m2 stops
$522Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
TAP AIR PORTUGAL Logo
6:00 am - 3:15 pmBRU-IAD
15h 15m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 11:00 amIAD-BRU
11h 30m1 stop
$523TAP AIR PORTUGAL
Find Deal
Sat, Dec 6 - Sat, Dec 13
Scandinavian Airlines Logo
10:20 am - 6:15 pmBRU-IAD
12h 55m1 stop
Scandinavian Airlines Logo
9:30 pm - 2:30 pmIAD-BRU
12h 00m1 stop
$528Scandinavian Airlines
Find Deal
Thu, Mar 12 - Mon, Mar 16
TAP AIR PORTUGAL Logo
5:55 pm - 3:15 pmBRU-IAD
27h 20m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 11:00 amIAD-BRU
11h 30m1 stop
$532TAP AIR PORTUGAL
Find Deal
Wed, Nov 5 - Tue, Nov 18
Scandinavian Airlines Logo
10:20 am - 5:15 pmBRU-IAD
12h 55m1 stop
Scandinavian Airlines Logo
8:30 pm - 6:40 pmIAD-BRU
16h 10m2 stops
$536Scandinavian Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Aer Lingus Logo
10:15 am - 3:35 pmBRU-IAD
11h 20m1 stop
Aer Lingus Logo
5:05 pm - 9:35 amIAD-BRU
10h 30m1 stop
$549Aer Lingus
Find Deal
Fri, Feb 20 - Sat, Feb 28
Aer Lingus Logo
10:15 am - 3:35 pmBRU-IAD
11h 20m1 stop
Aer Lingus Logo
5:05 pm - 9:35 amIAD-BRU
10h 30m1 stop
$552Aer Lingus
Find Deal
Wed, Dec 10 - Sat, Dec 13
British Airways Logo
11:35 am - 8:55 pmBRU-IAD
14h 20m1 stop
British Airways Logo
6:20 pm - 10:50 amIAD-BRU
10h 30m1 stop
$594British Airways
Find Deal
Sat, Nov 1 - Fri, Nov 14
British Airways Logo
8:30 pm - 3:35 pmBRU-IAD
25h 05m1 stop
British Airways Logo
6:20 pm - 1:50 pmIAD-BRU
13h 30m1 stop
$596British Airways
Find Deal
Wed, Nov 19 - Wed, Nov 26

American Airlines flights from Brussels to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Brussels to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Feb 18
BRU2:35 pmBrussels Bruxelles-National
31h 00m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Mar 3
IAD6:20 pmWashington, D.C. Dulles Intl
13h 15m
1 stop
BRU1:35 pmBrussels Bruxelles-National
American Airlines
Nov 22
BRU11:35 amBrussels Bruxelles-National
27h 06m
2 stops
IAD8:41 amWashington, D.C. Dulles Intl
Dec 4
IAD9:45 pmWashington, D.C. Dulles Intl
31h 05m
1 stop
BRU10:50 amBrussels Bruxelles-National
American Airlines
Dec 2
BRU12:00 pmBrussels Bruxelles-National
17h 07m
2 stops
IAD11:07 pmWashington, D.C. Dulles Intl
Dec 9
IAD6:20 pmWashington, D.C. Dulles Intl
13h 15m
1 stop
BRU1:35 pmBrussels Bruxelles-National

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

Our best Aer Lingus deals on Brussels to Washington, D.C. Dulles Intl Airport flight tickets
Aer Lingus
Feb 20
BRU10:15 amBrussels Bruxelles-National
11h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Feb 28
IAD5:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National
Aer Lingus
Dec 10
BRU10:15 amBrussels Bruxelles-National
11h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Dec 13
IAD5:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National
Aer Lingus
Nov 1
BRU10:15 amBrussels Bruxelles-National
15h 15m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
Nov 8
IAD5:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National

momondo Fare Finder

 
Customize your flight search to find flights from Brussels 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 20, 2025.
Use the filters below to find and compare flights from Brussels 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

Wed 12/3

9:10 am-6:30 pm

2 stops15h 20m

Washington, D.C. Dulles Intl

Wed 12/10

7:40 pm-5:35 pm

2 stops15h 55m

$521

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 12/3

9:10 am-6:30 pm

2 stops15h 20m

Washington, D.C. Dulles Intl

Wed 12/10

7:40 pm-5:35 pm

2 stops15h 55m

$522

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 12/6

6:00 am-3:15 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Sat 12/13

5:30 pm-11:00 am

1 stop11h 30m

$523

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-2:30 pm

1 stop12h 00m

$528

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 11/5

5:55 pm-3:15 pm

1 stop27h 20m

Washington, D.C. Dulles Intl

Tue 11/18

5:30 pm-11:00 am

1 stop11h 30m

$532

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 12/3

10:20 am-5:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Wed 12/10

8:30 pm-6:40 pm

2 stops16h 10m

$536

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 2/20

10:15 am-3:35 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sat 2/28

5:05 pm-9:35 am

1 stop10h 30m

$549

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 12/10

10:15 am-3:35 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sat 12/13

5:05 pm-9:35 am

1 stop10h 30m

$552

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 11/1

11:35 am-8:55 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Fri 11/14

6:20 pm-10:50 am

1 stop10h 30m

$594

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 11/19

8:30 pm-3:35 pm

1 stop25h 05m

Washington, D.C. Dulles Intl

Wed 11/26

6:20 pm-1:50 pm

1 stop13h 30m

$596

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 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 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 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 $703. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Brussels to Washington, D.C. Dulles Intl Airport for around $790.

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 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 in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Fly from Brussels Bruxelles-National to Washington, D.C. Dulles Intl for the best Brussels - 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 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 $607 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 for as low as $540 on momondo.

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

There are 3 cabin classes available to choose from on Brussels 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.

Cheap Brussels to Washington, D.C. Dulles Intl Airport flight deals and tips

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

Fastest flight time

8h 20m

Direct flights

Every day
The fastest flight from Brussels to Washington, D.C. Dulles Intl Airport takes 8h 20m
Direct flights go from Brussels to Washington, D.C. Dulles Intl Airport every day.
  • How far is Brussels to Washington, D.C. Dulles Intl by plane?

    There are 3874.4 mi between Brussels and Washington, D.C. Dulles Intl. A reasonable flight in good conditions will take 11h 00m.

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

    Prices for flights from Brussels to Washington, D.C. Dulles Intl Airport are updated daily.

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

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

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

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Compare and see reviews for airlines that fly from Brussels to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $456Free CancellationRating
6.7
7,461 reviews
Search British Airways flights
United AirlinesPriceFrom $470Free CancellationRating
7.4
8,991 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $496Free CancellationRating
7.2
366 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $528Free CancellationRating
6.8
7,508 reviews
Search Lufthansa flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Glen Burnie

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Brussels to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Washington, D.C. from Brussels which offer a flexible booking policy as well as other useful filters and features.

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?

If you are not ready to book a flight from Brussels to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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1 adult
Wed 11/19
Wed 11/26

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