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Cheap flights from Brussels to Washington, D.C. from €442

This is the cheapest return 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 9/10. 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 return flights

Lufthansa Logo
08:30 - 15:50BRU-IAD
13h 20m1 stop
Lufthansa Logo
17:45 - 07:15IAD-BRU
7h 30mdirect
€442Lufthansa
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Thu, 9 Oct - Sun, 12 Oct
Multiple Airlines Logo
08:30 - 13:30BRU-IAD
11h 00m1 stop
Multiple Airlines Logo
17:25 - 10:00IAD-BRU
10h 35m1 stop
€443Multiple Airlines
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Tue, 30 Sep - Thu, 20 Nov
United Airlines Logo
07:00 - 16:21BRU-IAD
15h 21m2 stops
United Airlines Logo
18:20 - 13:15IAD-BRU
12h 55m1 stop
€443United Airlines
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Thu, 6 Nov - Sat, 13 Dec
United Airlines Logo
10:30 - 20:00BRU-IAD
15h 30m1 stop
United Airlines Logo
18:20 - 13:15IAD-BRU
12h 55m1 stop
€444United Airlines
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Tue, 7 Oct - Mon, 3 Nov
Brussels Airlines Logo
12:00 - 14:25BRU-IAD
8h 25mdirect
Brussels Airlines Logo
17:45 - 07:15IAD-BRU
7h 30mdirect
€448Brussels Airlines
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Thu, 9 Oct - Sun, 12 Oct
British Airways Logo
19:55 - 19:45BRU-IAD
29h 50m2 stops
British Airways Logo
19:20 - 13:35IAD-BRU
13h 15m1 stop
€460British Airways
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Sat, 11 Oct - Tue, 28 Oct
Delta Logo
06:10 - 16:07BRU-IAD
15h 57m2 stops
Delta Logo
12:08 - 08:40IAD-BRU
14h 32m1 stop
€463Delta
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Wed, 1 Oct - Sun, 5 Oct
Delta Logo
06:10 - 16:29BRU-IAD
16h 19m2 stops
Delta Logo
12:27 - 10:10IAD-BRU
15h 43m2 stops
€465Delta
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Thu, 23 Oct - Sat, 8 Nov
British Airways Logo
19:55 - 19:45BRU-IAD
29h 50m2 stops
British Airways Logo
14:18 - 17:00IAD-BRU
21h 42m2 stops
€468British Airways
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Sat, 11 Oct - Tue, 28 Oct
Brussels Airlines Logo
12:00 - 14:25BRU-IAD
8h 25mdirect
Brussels Airlines Logo
17:45 - 07:15IAD-BRU
7h 30mdirect
€574Brussels Airlines
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Tue, 30 Sep - Fri, 21 Nov

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

Our best British Airways deals on Brussels to Washington, D.C. Dulles Intl Airport flight tickets
British Airways
11 Oct
BRU19:55Brussels Bruxelles-National
29h 50m
2 stops
IAD19:45Washington, D.C. Dulles Intl
28 Oct
IAD19:20Washington, D.C. Dulles Intl
13h 15m
1 stop
BRU13:35Brussels Bruxelles-National
€460
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British Airways
11 Oct
BRU19:55Brussels Bruxelles-National
29h 50m
2 stops
IAD19:45Washington, D.C. Dulles Intl
28 Oct
IAD14:18Washington, D.C. Dulles Intl
21h 42m
2 stops
BRU17:00Brussels Bruxelles-National
€468
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British Airways
13 Oct
BRU21:15Brussels Bruxelles-National
27h 39m
2 stops
IAD18:54Washington, D.C. Dulles Intl
3 Nov
IAD18:20Washington, D.C. Dulles Intl
13h 35m
1 stop
BRU13:55Brussels Bruxelles-National
€480
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United Airlines flights from Brussels to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Brussels to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
25 Sept
BRU08:30Brussels Bruxelles-National
11h 00m
1 stop
IAD13:30Washington, D.C. Dulles Intl
16 Oct
IAD09:35Washington, D.C. Dulles Intl
16h 30m
1 stop
BRU08:05Brussels Bruxelles-National
€442
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United Airlines
22 Sept
BRU07:00Brussels Bruxelles-National
12h 30m
1 stop
IAD13:30Washington, D.C. Dulles Intl
5 Oct
IAD09:35Washington, D.C. Dulles Intl
16h 30m
1 stop
BRU08:05Brussels Bruxelles-National
€443
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United Airlines
6 Nov
BRU07:00Brussels Bruxelles-National
15h 21m
2 stops
IAD16:21Washington, D.C. Dulles Intl
13 Dec
IAD18:20Washington, D.C. Dulles Intl
12h 55m
1 stop
BRU13:15Brussels Bruxelles-National
€443
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momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 16 September 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

Thu 9/10

08:30-15:50

1 stop13h 20m

Washington, D.C. Dulles Intl

Sun 12/10

17:45-07:15

Nonstop7h 30m

€442

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 30/9

08:30-13:30

1 stop11h 00m

Washington, D.C. Dulles Intl

Thu 20/11

17:25-10:00

1 stop10h 35m

€443

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 6/11

07:00-16:21

2 stops15h 21m

Washington, D.C. Dulles Intl

Sat 13/12

18:20-13:15

1 stop12h 55m

€443

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 7/10

10:30-20:00

1 stop15h 30m

Washington, D.C. Dulles Intl

Mon 3/11

18:20-13:15

1 stop12h 55m

€444

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 9/10

12:00-14:25

Nonstop8h 25m

Washington, D.C. Dulles Intl

Sun 12/10

17:45-07:15

Nonstop7h 30m

€448

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 11/10

19:55-19:45

2 stops29h 50m

Washington, D.C. Dulles Intl

Tue 28/10

19:20-13:35

1 stop13h 15m

€460

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 1/10

06:10-16:07

2 stops15h 57m

Washington, D.C. Dulles Intl

Sun 5/10

12:08-08:40

1 stop14h 32m

€463

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 23/10

06:10-16:29

2 stops16h 19m

Washington, D.C. Dulles Intl

Sat 8/11

12:27-10:10

2 stops15h 43m

€465

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 11/10

19:55-19:45

2 stops29h 50m

Washington, D.C. Dulles Intl

Tue 28/10

14:18-17:00

2 stops21h 42m

€468

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 30/9

12:00-14:25

Nonstop8h 25m

Washington, D.C. Dulles Intl

Fri 21/11

17:45-07:15

Nonstop7h 30m

€574

Flights are sorted by cheapest return flights 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?

The month of May is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Brussels, with most prices found around €420. If you aren’t able to travel during the month of May, then book flights to Washington, D.C. Dulles Intl Airport from Brussels during March instead. Flights to Washington, D.C. Dulles Intl Airport in March, while not as cheap as those in May, still average around €456.

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 €513 when searching weeks before you fly. 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 €481 on momondo.

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

    The straight-line distance from Brussels to Washington, D.C. Dulles Intl is 6235.2 km. In terms of flight time, this usually takes a little over 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 were last updated today.

  • 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 stopovers. 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 travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Gettysburg

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?

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 simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Brussels and alert you when they change.

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