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Cheap flights from Brussels to Washington, D.C. from $351

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 11/5. 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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Cheap round-trip flights

Lufthansa Logo
12:00 pm - 2:25 pmBRU-IAD
8h 25mnonstop
Lufthansa Logo
5:45 pm - 7:15 amIAD-BRU
7h 30mnonstop
$513Lufthansa
Find Deal
jue., oct. 2 - mié., oct. 15
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
$514Aer Lingus
Find Deal
jue., nov. 6 - sáb., dic. 13
Lufthansa Logo
9:00 am - 3:35 pmBRU-IAD
11h 35m1 stop
Lufthansa Logo
6:45 pm - 7:15 amIAD-BRU
7h 30mnonstop
$515Lufthansa
Find Deal
vie., mar. 13 - dom., mar. 22
United Airlines Logo
12:00 pm - 2:25 pmBRU-IAD
8h 25mnonstop
United Airlines Logo
6:20 pm - 1:15 pmIAD-BRU
12h 55m1 stop
$516United Airlines
Find Deal
vie., oct. 24 - lun., nov. 3
United Airlines Logo
8:30 am - 8:00 pmBRU-IAD
17h 30m1 stop
United Airlines Logo
6:45 pm - 7:15 amIAD-BRU
7h 30mnonstop
$519United Airlines
Find Deal
mié., oct. 8 - mié., oct. 29
American Airlines Logo
10:55 am - 3:55 pmBRU-IAD
11h 00m1 stop
American Airlines Logo
7:20 pm - 7:30 pmIAD-BRU
19h 10m1 stop
$523American Airlines
Find Deal
mar., oct. 7 - jue., oct. 30
American Airlines Logo
10:50 am - 5:11 pmBRU-IAD
36h 21m2 stops
American Airlines Logo
2:18 pm - 5:00 pmIAD-BRU
21h 42m2 stops
$529American Airlines
Find Deal
jue., oct. 9 - mar., oct. 28
British Airways Logo
8:35 pm - 11:07 pmBRU-IAD
32h 32m2 stops
British Airways Logo
2:06 pm - 1:40 pmIAD-BRU
17h 34m2 stops
$536British Airways
Find Deal
jue., nov. 6 - sáb., dic. 13
British Airways Logo
7:55 pm - 11:53 pmBRU-IAD
33h 58m2 stops
British Airways Logo
6:20 pm - 7:55 pmIAD-BRU
19h 35m1 stop
$541British Airways
Find Deal
sáb., oct. 11 - dom., nov. 2
Brussels Airlines Logo
12:00 pm - 2:25 pmBRU-IAD
8h 25mnonstop
Brussels Airlines Logo
5:45 pm - 7:15 amIAD-BRU
7h 30mnonstop
$572Brussels Airlines
Find Deal
dom., sep. 28 - sáb., oct. 4

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

Our best Lufthansa deals on Brussels to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
Oct 2
BRU12:00 pmBrussels Bruxelles-National
8h 25m
IAD2:25 pmWashington, D.C. Dulles Intl
Oct 15
IAD5:45 pmWashington, D.C. Dulles Intl
7h 30m
BRU7:15 amBrussels Bruxelles-National
$513
Find similar
Lufthansa
Sep 25
BRU10:30 amBrussels Bruxelles-National
11h 20m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Sep 28
IAD3:25 pmWashington, D.C. Dulles Intl
10h 20m
1 stop
BRU7:45 amBrussels Bruxelles-National
$515
Find similar
Lufthansa
Oct 30
BRU10:30 amBrussels Bruxelles-National
11h 20m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
Nov 6
IAD10:55 pmWashington, D.C. Dulles Intl
11h 20m
1 stop
BRU4:15 pmBrussels Bruxelles-National
$518
Find similar

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
Nov 6
BRU10:15 amBrussels Bruxelles-National
15h 15m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Dec 13
IAD5:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National
$514
Find similar
Aer Lingus
Oct 19
BRU10:20 amBrussels Bruxelles-National
14h 35m
1 stop
IAD6:55 pmWashington, D.C. Dulles Intl
Oct 21
IAD5:20 pmWashington, D.C. Dulles Intl
10h 20m
1 stop
BRU9:40 amBrussels Bruxelles-National
$552
Find similar
Aer Lingus
Sep 19
BRU10:20 amBrussels Bruxelles-National
11h 30m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Sep 24
IAD5:20 pmWashington, D.C. Dulles Intl
10h 20m
1 stop
BRU9:40 amBrussels Bruxelles-National
$592
Find similar

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 septiembre 16, 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

jue. 10/2

12:00 pm-2:25 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

mié. 10/15

5:45 pm-7:15 am

Nonstop7h 30m

$513

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

jue. 11/6

10:15 am-7:30 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

sáb. 12/13

5:05 pm-9:35 am

1 stop10h 30m

$514

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

vie. 3/13

9:00 am-3:35 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

dom. 3/22

6:45 pm-7:15 am

Nonstop7h 30m

$515

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

vie. 10/24

12:00 pm-2:25 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

lun. 11/3

6:20 pm-1:15 pm

1 stop12h 55m

$516

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

mié. 10/8

8:30 am-8:00 pm

1 stop17h 30m

Washington, D.C. Dulles Intl

mié. 10/29

6:45 pm-7:15 am

Nonstop7h 30m

$519

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

mar. 10/7

10:55 am-3:55 pm

1 stop11h 00m

Washington, D.C. Dulles Intl

jue. 10/30

7:20 pm-7:30 pm

1 stop19h 10m

$523

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

jue. 10/9

10:50 am-5:11 pm

2 stops36h 21m

Washington, D.C. Dulles Intl

mar. 10/28

2:18 pm-5:00 pm

2 stops21h 42m

$529

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

jue. 11/6

8:35 pm-11:07 pm

2 stops32h 32m

Washington, D.C. Dulles Intl

sáb. 12/13

2:06 pm-1:40 pm

2 stops17h 34m

$536

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

sáb. 10/11

7:55 pm-11:53 pm

2 stops33h 58m

Washington, D.C. Dulles Intl

dom. 11/2

6:20 pm-7:55 pm

1 stop19h 35m

$541

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

dom. 9/28

12:00 pm-2:25 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

sáb. 10/4

5:45 pm-7:15 am

Nonstop7h 30m

$572

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 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 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 $697. 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 $765.

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 $715 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 $603 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 $565 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 25m

Direct flights

Every day
The fastest flight from Brussels to Washington, D.C. Dulles Intl Airport takes 8h 25m
Direct flights go from Brussels to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • 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 8h 25m.

  • 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
7,363 reviews
Search British Airways flights
United AirlinesPriceFrom $470Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $496Free CancellationRating
7.2
359 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $521Free CancellationRating
6.8
7,407 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
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg

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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