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Cheap flights from Brussels Bruxelles-National Airport to Washington, D.C. from $352

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 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Brussels Bruxelles-National Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
ITA Airways Logo
6:55 pm - 2:30 pm
BRU
-
IAD
25h 35m
1 stop
ITA Airways Logo
4:30 pm - 10:45 am
IAD
-
BRU
12h 15m
1 stop
$599ITA Airways
Wed, Aug 5 - Sat, Aug 15
ITA Airways Logo
6:55 pm - 2:30 pm
BRU
-
IAD
25h 35m
1 stop
ITA Airways Logo
4:30 pm - 10:45 am
IAD
-
BRU
12h 15m
1 stop
$610ITA Airways
Mon, Aug 24 - Sat, Sep 12
Aer Lingus Logo
10:20 am - 7:25 pm
BRU
-
IAD
15h 05m
1 stop
Aer Lingus Logo
8:55 pm - 8:45 pm
IAD
-
BRU
17h 50m
1 stop
$612Aer Lingus
Wed, Sep 2 - Wed, Sep 16
ITA Airways Logo
6:55 pm - 2:30 pm
BRU
-
IAD
25h 35m
1 stop
ITA Airways Logo
4:30 pm - 10:45 am
IAD
-
BRU
12h 15m
1 stop
$613ITA Airways
Sat, Jul 25 - Sat, Aug 1
ITA Airways Logo
6:55 pm - 2:30 pm
BRU
-
IAD
25h 35m
1 stop
ITA Airways Logo
4:30 pm - 10:45 am
IAD
-
BRU
12h 15m
1 stop
$614ITA Airways
Wed, Aug 5 - Fri, Aug 28
ITA Airways Logo
11:35 am - 2:30 pm
BRU
-
IAD
32h 55m
1 stop
ITA Airways Logo
4:30 pm - 5:55 pm
IAD
-
BRU
19h 25m
1 stop
$615ITA Airways
Wed, Jul 22 - Sun, Jul 26
ITA Airways Logo
6:55 pm - 2:30 pm
BRU
-
IAD
25h 35m
1 stop
ITA Airways Logo
4:30 pm - 10:45 am
IAD
-
BRU
12h 15m
1 stop
$616ITA Airways
Thu, Jul 16 - Sun, Jul 26
ITA Airways Logo
6:55 pm - 2:30 pm
BRU
-
IAD
25h 35m
1 stop
ITA Airways Logo
4:30 pm - 5:55 pm
IAD
-
BRU
19h 25m
1 stop
$617ITA Airways
Wed, Aug 5 - Tue, Aug 11
ITA Airways Logo
11:35 am - 2:30 pm
BRU
-
IAD
32h 55m
1 stop
ITA Airways Logo
4:30 pm - 5:55 pm
IAD
-
BRU
19h 25m
1 stop
$618ITA Airways
Thu, Jul 16 - Sun, Jul 26
ITA Airways Logo
11:35 am - 2:30 pm
BRU
-
IAD
32h 55m
1 stop
ITA Airways Logo
4:30 pm - 10:45 am
IAD
-
BRU
12h 15m
1 stop
$621ITA Airways
Thu, Jul 9 - Thu, Jul 30

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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
Nov 21
BRU5:55 pmBrussels Bruxelles-National
32h 40m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
Dec 5
IAD5:25 pmWashington, D.C. Dulles Intl
17h 40m
1 stop
BRU5:05 pmBrussels Bruxelles-National
$674
TAP AIR PORTUGAL
Sep 1
BRU5:55 amBrussels Bruxelles-National
15h 15m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
Dec 3
IAD5:25 pmWashington, D.C. Dulles Intl
17h 40m
1 stop
BRU5:05 pmBrussels Bruxelles-National
$687
TAP AIR PORTUGAL
Sep 2
BRU11:50 amBrussels Bruxelles-National
14h 45m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
Sep 16
IAD10:35 pmWashington, D.C. Dulles Intl
19h 20m
1 stop
BRU11:55 pmBrussels Bruxelles-National
$690

ITA Airways flights from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

Our best ITA Airways deals on Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flight tickets
ITA Airways
Aug 5
BRU6:55 pmBrussels Bruxelles-National
25h 35m
1 stop
IAD2:30 pmWashington, D.C. Dulles Intl
Aug 15
IAD4:30 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
BRU10:45 amBrussels Bruxelles-National
$599
ITA Airways
Aug 24
BRU6:55 pmBrussels Bruxelles-National
25h 35m
1 stop
IAD2:30 pmWashington, D.C. Dulles Intl
Sep 12
IAD4:30 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
BRU10:45 amBrussels Bruxelles-National
$610
ITA Airways
Jul 25
BRU6:55 pmBrussels Bruxelles-National
25h 35m
1 stop
IAD2:30 pmWashington, D.C. Dulles Intl
Aug 1
IAD4:30 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
BRU10:45 amBrussels Bruxelles-National
$613

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated June 11, 2026.
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

Cheapest round-trip

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 8/5

6:55 pm-2:30 pm

1 stop25h 35m

Washington, D.C. Dulles Intl

Sat 8/15

4:30 pm-10:45 am

1 stop12h 15m

$599

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 8/24

6:55 pm-2:30 pm

1 stop25h 35m

Washington, D.C. Dulles Intl

Sat 9/12

4:30 pm-10:45 am

1 stop12h 15m

$610
Quickest round-trip

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 9/2

10:20 am-7:25 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Wed 9/16

8:55 pm-8:45 pm

1 stop17h 50m

$612

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 7/25

6:55 pm-2:30 pm

1 stop25h 35m

Washington, D.C. Dulles Intl

Sat 8/1

4:30 pm-10:45 am

1 stop12h 15m

$613

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 8/5

6:55 pm-2:30 pm

1 stop25h 35m

Washington, D.C. Dulles Intl

Fri 8/28

4:30 pm-10:45 am

1 stop12h 15m

$614

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 7/22

11:35 am-2:30 pm

1 stop32h 55m

Washington, D.C. Dulles Intl

Sun 7/26

4:30 pm-5:55 pm

1 stop19h 25m

$615

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 7/16

6:55 pm-2:30 pm

1 stop25h 35m

Washington, D.C. Dulles Intl

Sun 7/26

4:30 pm-10:45 am

1 stop12h 15m

$616

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 8/5

6:55 pm-2:30 pm

1 stop25h 35m

Washington, D.C. Dulles Intl

Tue 8/11

4:30 pm-5:55 pm

1 stop19h 25m

$617

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 7/16

11:35 am-2:30 pm

1 stop32h 55m

Washington, D.C. Dulles Intl

Sun 7/26

4:30 pm-5:55 pm

1 stop19h 25m

$618

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 7/9

11:35 am-2:30 pm

1 stop32h 55m

Washington, D.C. Dulles Intl

Thu 7/30

4:30 pm-10:45 am

1 stop12h 15m

$621

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 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 typical price of a round-trip flight between Brussels Bruxelles-National Airport and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, February is the cheapest month to fly from Brussels Bruxelles-National Airport 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 $587. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $624.

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 $799. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport for around $915.

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

Fly from Brussels Bruxelles-National to Washington, D.C. Dulles Intl for the best Brussels Bruxelles-National - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight from Brussels Bruxelles-National Airport 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 $686 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 Bruxelles-National Airport for as low as $514 on momondo.

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

There are 3 cabin classes available to choose from on Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

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 round-trip 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

Best Price Found

$869

Fastest flight time

8h 15m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport in the past 72 hours is $869. The best round-trip flight deal from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $797.
The fastest flight from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport takes 8h 15m
Direct flights go from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

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

    Brussels Bruxelles-National and Washington, D.C. Dulles Intl are 3878.5 mi apart from one another. In terms of flight time, this usually takes a little over 8h 15m.

  • 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 refresh daily.

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

  • How old do you have to be to fly from Brussels Bruxelles-National Airport 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 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 necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Brussels AirlinesPriceFrom $523Free CancellationRating
7.2
411 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom $580Free CancellationRating
7.4
9,804 reviews
Search United Airlines flights
LufthansaPriceFrom $584Free CancellationRating
6.8
8,054 reviews
Search Lufthansa flights

  • United Airlines Flights From Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

    United Airlines flies from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport around 12 times per week, with 9,807 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport in the last 72 hours was $580 (round-trip), much lower than the average airfare cost of $744 for United Airlines flights on this route.

  • Brussels Airlines Flights From Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport

    $523 is the best Brussels Airlines flight deal from Brussels Bruxelles-National Airport to Washington, D.C. Dulles Intl Airport found on momondo over the last 72 hours. The average Brussels Airlines ticket price found was closer to $690, however, with flight time and availability significantly affecting the price. Brussels Airlines (7.2/10 from 411 user reviews) flies into Washington, D.C. Dulles Intl Airport from Brussels Bruxelles-National Airport 12 times in an average week so prices can vary.

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

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National Harbor
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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?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Brussels with this policy.

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?

Of course. momondo tracks the price of Brussels to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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