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Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. from €429

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 10/12. 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 return flights

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Scandinavian Airlines Logo
10:20 - 18:15BRU-IAD
12h 55m1 stop
Scandinavian Airlines Logo
21:30 - 09:40IAD-BRU
31h 10m1 stop
€466Scandinavian Airlines
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Thu, 12 Mar - Mon, 16 Mar
Scandinavian Airlines Logo
10:20 - 18:15BRU-IAD
12h 55m1 stop
Scandinavian Airlines Logo
21:30 - 09:40IAD-BRU
31h 10m1 stop
€467Scandinavian Airlines
Find Deal
Thu, 12 Mar - Mon, 16 Mar
TAP AIR PORTUGAL Logo
06:00 - 15:15BRU-IAD
15h 15m1 stop
TAP AIR PORTUGAL Logo
17:30 - 23:50IAD-BRU
24h 20m1 stop
€513TAP AIR PORTUGAL
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Thu, 25 Dec - Tue, 30 Dec
TAP AIR PORTUGAL Logo
06:00 - 15:15BRU-IAD
15h 15m1 stop
TAP AIR PORTUGAL Logo
17:30 - 17:05IAD-BRU
17h 35m1 stop
€514TAP AIR PORTUGAL
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Thu, 25 Dec - Tue, 30 Dec
Delta Logo
08:05 - 16:05BRU-IAD
14h 00m1 stop
Delta Logo
12:19 - 09:00IAD-BRU
14h 41m1 stop
€521Delta
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Thu, 20 Nov - Fri, 5 Dec
Delta Logo
06:15 - 16:05BRU-IAD
15h 50m1 stop
Delta Logo
18:05 - 14:15IAD-BRU
14h 10m1 stop
€522Delta
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Thu, 20 Nov - Wed, 3 Dec
KLM Logo
08:05 - 16:05BRU-IAD
14h 00m1 stop
KLM Logo
18:05 - 14:15IAD-BRU
14h 10m1 stop
€523KLM
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Wed, 24 Dec - Wed, 31 Dec
United Airlines Logo
07:00 - 20:59BRU-IAD
19h 59m2 stops
United Airlines Logo
18:25 - 20:00IAD-BRU
19h 35m1 stop
€541United Airlines
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Sat, 6 Dec - Sun, 3 May
United Airlines Logo
14:25 - 20:15BRU-IAD
11h 50m1 stop
United Airlines Logo
12:40 - 07:50IAD-BRU
13h 10m2 stops
€542United Airlines
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Sat, 6 Dec - Thu, 22 Jan
KLM Logo
10:45 - 16:05BRU-IAD
11h 20m1 stop
KLM Logo
18:05 - 14:15IAD-BRU
14h 10m1 stop
€616KLM
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Fri, 19 Dec - Wed, 31 Dec

TAP AIR PORTUGAL flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

Our best TAP AIR PORTUGAL deals on Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flight tickets
TAP AIR PORTUGAL
25 Dec
BRU06:00Brussels Bruxelles-National
15h 15m
1 stop
IAD15:15Washington, D.C. Dulles Intl
30 Dec
IAD17:30Washington, D.C. Dulles Intl
24h 20m
1 stop
BRU23:50Brussels Bruxelles-National
€513
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TAP AIR PORTUGAL
25 Dec
BRU06:00Brussels Bruxelles-National
15h 15m
1 stop
IAD15:15Washington, D.C. Dulles Intl
30 Dec
IAD17:30Washington, D.C. Dulles Intl
17h 35m
1 stop
BRU17:05Brussels Bruxelles-National
€514
Find similar
TAP AIR PORTUGAL
6 Dec
BRU06:00Brussels Bruxelles-National
15h 15m
1 stop
IAD15:15Washington, D.C. Dulles Intl
7 May
IAD22:35Washington, D.C. Dulles Intl
19h 20m
1 stop
BRU23:55Brussels Bruxelles-National
€539
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KLM flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

Our best KLM deals on Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flight tickets
KLM
24 Dec
BRU08:05Brussels Bruxelles-National
14h 00m
1 stop
IAD16:05Washington, D.C. Dulles Intl
31 Dec
IAD18:05Washington, D.C. Dulles Intl
14h 10m
1 stop
BRU14:15Brussels Bruxelles-National
€523
Find similar
KLM
19 Dec
BRU10:45Brussels Bruxelles-National
11h 20m
1 stop
IAD16:05Washington, D.C. Dulles Intl
31 Dec
IAD18:05Washington, D.C. Dulles Intl
14h 10m
1 stop
BRU14:15Brussels Bruxelles-National
€616
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momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 7 November 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 12/3

10:20-18:15

1 stop12h 55m

Washington, D.C. Dulles Intl

Mon 16/3

21:30-09:40

1 stop31h 10m

€466

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 12/3

10:20-18:15

1 stop12h 55m

Washington, D.C. Dulles Intl

Mon 16/3

21:30-09:40

1 stop31h 10m

€467

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 25/12

06:00-15:15

1 stop15h 15m

Washington, D.C. Dulles Intl

Tue 30/12

17:30-23:50

1 stop24h 20m

€513

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 25/12

06:00-15:15

1 stop15h 15m

Washington, D.C. Dulles Intl

Tue 30/12

17:30-17:05

1 stop17h 35m

€514

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 20/11

08:05-16:05

1 stop14h 00m

Washington, D.C. Dulles Intl

Fri 5/12

12:19-09:00

1 stop14h 41m

€521

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 20/11

06:15-16:05

1 stop15h 50m

Washington, D.C. Dulles Intl

Wed 3/12

18:05-14:15

1 stop14h 10m

€522

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 24/12

08:05-16:05

1 stop14h 00m

Washington, D.C. Dulles Intl

Wed 31/12

18:05-14:15

1 stop14h 10m

€523

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 6/12

07:00-20:59

2 stops19h 59m

Washington, D.C. Dulles Intl

Sun 3/5

18:25-20:00

1 stop19h 35m

€541

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 6/12

14:25-20:15

1 stop11h 50m

Washington, D.C. Dulles Intl

Thu 22/1

12:40-07:50

2 stops13h 10m

€542

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 19/12

10:45-16:05

1 stop11h 20m

Washington, D.C. Dulles Intl

Wed 31/12

18:05-14:15

1 stop14h 10m

€616

Flights are sorted by cheapest return flights first.

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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 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 Bruxelles-National Airport, with most prices found around €428. If you aren’t able to travel during the month of May, then book flights to Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport during January instead. Flights to Washington, D.C. Dulles Intl Airport in January, while not as cheap as those in May, still average around €470.

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 Bruxelles-National Airport. The lowest ticket price found for a Saturday departure recently was €465. 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 €575.

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 €529 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 Bruxelles-National Airport for as low as €469 on momondo.

How have Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of November 2025, prices for Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flights are approximately 28% 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 return 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

Fastest flight time

8h 40m

Direct flights

Every day
The fastest flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport takes 8h 40m
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?

    The straight-line distance from Brussels Bruxelles-National to Washington, D.C. Dulles Intl is 6241.9 km. A reasonable flight in good conditions will take 8h 40m.

  • 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 were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 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 licence 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.

  • What is the most popular plane model from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport?

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

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Why use momondo?

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

It is quick and easy to find Brussels to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Yes. All flights to Washington, D.C. from Brussels on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Yes. momondo can track prices for Brussels to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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