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Cheap flights from Brussels 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 to Washington, D.C. departing on 15/6. 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

Enter your travel dates to find the best prices.
British Airways Logo
22:05 - 15:50
BRU
-
IAD
23h 45m1 stop
British Airways Logo
19:15 - 14:20
IAD
-
BRU
13h 05m1 stop
€485British Airways
Sat, 18 Apr - Sat, 25 Apr
British Airways Logo
20:45 - 19:55
BRU
-
IAD
29h 10m1 stop
British Airways Logo
17:46 - 16:40
IAD
-
BRU
16h 54m2 stops
€486British Airways
Mon, 2 Feb - Mon, 9 Feb
KLM Logo
10:25 - 15:35
BRU
-
IAD
11h 10m1 stop
KLM Logo
12:44 - 07:40
IAD
-
BRU
12h 56m1 stop
€488KLM
Mon, 13 Apr - Sun, 19 Apr
KLM Logo
10:25 - 15:35
BRU
-
IAD
11h 10m1 stop
KLM Logo
17:40 - 09:40
IAD
-
BRU
10h 00m1 stop
€488KLM
Thu, 2 Apr - Tue, 26 May
Delta Logo
06:20 - 15:35
BRU
-
IAD
15h 15m1 stop
Delta Logo
17:40 - 09:40
IAD
-
BRU
10h 00m1 stop
€489Delta
Sun, 29 Mar - Tue, 14 Apr
Delta Logo
08:05 - 16:05
BRU
-
IAD
14h 00m1 stop
Delta Logo
10:08 - 07:35
IAD
-
BRU
15h 27m2 stops
€490Delta
Thu, 22 Jan - Sun, 25 Jan
Delta Logo
06:20 - 16:28
BRU
-
IAD
16h 08m2 stops
Delta Logo
12:44 - 07:40
IAD
-
BRU
12h 56m1 stop
€492Delta
Mon, 13 Apr - Sun, 19 Apr
Delta Logo
08:05 - 19:16
BRU
-
IAD
17h 11m2 stops
Delta Logo
17:15 - 14:40
IAD
-
BRU
15h 25m2 stops
€494Delta
Wed, 20 May - Wed, 27 May
Delta Logo
08:05 - 17:17
BRU
-
IAD
15h 12m2 stops
Delta Logo
12:23 - 07:35
IAD
-
BRU
13h 12m2 stops
€494Delta
Fri, 16 Jan - Thu, 29 Jan
Delta Logo
10:45 - 19:09
BRU
-
IAD
14h 24m2 stops
Delta Logo
12:23 - 10:10
IAD
-
BRU
15h 47m2 stops
€495Delta
Fri, 16 Jan - Thu, 29 Jan

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
18 Apr
BRU22:05Brussels Bruxelles-National
23h 45m
1 stop
IAD15:50Washington, D.C. Dulles Intl
25 Apr
IAD19:15Washington, D.C. Dulles Intl
13h 05m
1 stop
BRU14:20Brussels Bruxelles-National
€485
Find similar
British Airways
2 Feb
BRU20:45Brussels Bruxelles-National
24h 50m
1 stop
IAD15:35Washington, D.C. Dulles Intl
9 Feb
IAD21:45Washington, D.C. Dulles Intl
31h 05m
1 stop
BRU10:50Brussels Bruxelles-National
€486
Find similar
British Airways
12 Jan
BRU17:30Brussels Bruxelles-National
28h 05m
1 stop
IAD15:35Washington, D.C. Dulles Intl
28 Jan
IAD21:45Washington, D.C. Dulles Intl
10h 05m
1 stop
BRU13:50Brussels Bruxelles-National
€505
Find similar

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

Our best KLM deals on Brussels to Washington, D.C. Dulles Intl Airport flight tickets
KLM
13 Apr
BRU10:25Brussels Bruxelles-National
11h 10m
1 stop
IAD15:35Washington, D.C. Dulles Intl
19 Apr
IAD12:44Washington, D.C. Dulles Intl
12h 56m
1 stop
BRU07:40Brussels Bruxelles-National
€488
Find similar
KLM
2 Apr
BRU10:25Brussels Bruxelles-National
11h 10m
1 stop
IAD15:35Washington, D.C. Dulles Intl
26 May
IAD17:40Washington, D.C. Dulles Intl
10h 00m
1 stop
BRU09:40Brussels Bruxelles-National
€488
Find similar
KLM
12 Jan
BRU06:15Brussels Bruxelles-National
15h 50m
1 stop
IAD16:05Washington, D.C. Dulles Intl
28 Jan
IAD12:40Washington, D.C. Dulles Intl
12h 55m
2 stops
BRU07:35Brussels Bruxelles-National
€527
Find similar

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 21 December 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

Sat 18/4

22:05-15:50

1 stop23h 45m

Washington, D.C. Dulles Intl

Sat 25/4

19:15-14:20

1 stop13h 05m

€485

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 2/2

20:45-19:55

1 stop29h 10m

Washington, D.C. Dulles Intl

Mon 9/2

17:46-16:40

2 stops16h 54m

€486

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 13/4

10:25-15:35

1 stop11h 10m

Washington, D.C. Dulles Intl

Sun 19/4

12:44-07:40

1 stop12h 56m

€488

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 2/4

10:25-15:35

1 stop11h 10m

Washington, D.C. Dulles Intl

Tue 26/5

17:40-09:40

1 stop10h 00m

€488

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sun 29/3

06:20-15:35

1 stop15h 15m

Washington, D.C. Dulles Intl

Tue 14/4

17:40-09:40

1 stop10h 00m

€489

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 22/1

08:05-16:05

1 stop14h 00m

Washington, D.C. Dulles Intl

Sun 25/1

10:08-07:35

2 stops15h 27m

€490

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 13/4

06:20-16:28

2 stops16h 08m

Washington, D.C. Dulles Intl

Sun 19/4

12:44-07:40

1 stop12h 56m

€492

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 20/5

08:05-19:16

2 stops17h 11m

Washington, D.C. Dulles Intl

Wed 27/5

17:15-14:40

2 stops15h 25m

€494

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 16/1

08:05-17:17

2 stops15h 12m

Washington, D.C. Dulles Intl

Thu 29/1

12:23-07:35

2 stops13h 12m

€494

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 16/1

10:45-19:09

2 stops14h 24m

Washington, D.C. Dulles Intl

Thu 29/1

12:23-10:10

2 stops15h 47m

€495

Flights are sorted by cheapest return 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?

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 €476. 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 June instead. Flights to Washington, D.C. Dulles Intl Airport in June, while not as cheap as those in May, still average around €482.

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

According to our data, Saturday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Brussels. The lowest ticket price found for a Saturday departure recently was €458. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Friday is €566.

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 €541 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 €461 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 40m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun
The fastest flight from Brussels to Washington, D.C. Dulles Intl Airport takes 8h 40m
Direct flights go from Brussels to Washington, D.C. Dulles Intl Airport on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
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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 40m.

  • 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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