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Cheap flights from Belgium to Washington, D.C. from $331

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belgium to Washington, D.C. departing on 9/3. 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 Belgium to Washington, D.C.

Recent round-trip flight deals from Belgium to Washington, D.C.

Brussels Airlines Logo
12:00 pm - 2:25 pmBRU-IAD
8h 25mnonstop
Brussels Airlines Logo
6:05 pm - 11:00 amIAD-BRU
10h 55m1 stop
$358Brussels Airlines
Find Deal
Sun, Aug 24 - Sun, Aug 31
Scandinavian Airlines Logo
10:20 am - 5:15 pmBRU-IAD
12h 55m1 stop
Scandinavian Airlines Logo
8:30 pm - 7:50 pmIAD-BRU
17h 20m1 stop
$452Scandinavian Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 4
United Airlines Logo
12:00 pm - 2:25 pmBRU-IAD
8h 25mnonstop
United Airlines Logo
10:21 pm - 8:05 amIAD-BRU
27h 44m2 stops
$461United Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 11
United Airlines Logo
6:45 am - 7:25 pmBRU-IAD
18h 40m1 stop
United Airlines Logo
10:21 pm - 8:05 amIAD-BRU
27h 44m2 stops
$467United Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 11
Icelandair Logo
1:50 pm - 7:20 pmBRU-IAD
11h 30m1 stop
Icelandair Logo
8:30 pm - 12:50 pmIAD-BRU
10h 20m1 stop
$477Icelandair
Find Deal
Wed, Aug 27 - Wed, Sep 3
Air Canada Logo
10:00 am - 9:05 pmBRU-IAD
17h 05m1 stop
Air Canada Logo
1:00 pm - 8:05 amIAD-BRU
13h 05m1 stop
$483Air Canada
Find Deal
Fri, Sep 12 - Sat, Oct 11
Air Canada Logo
10:00 am - 4:18 pmBRU-IAD
12h 18m1 stop
Air Canada Logo
9:35 am - 8:05 amIAD-BRU
16h 30m1 stop
$485Air Canada
Find Deal
Tue, Aug 26 - Tue, Sep 16
Icelandair Logo
1:50 pm - 7:20 pmBRU-IAD
11h 30m1 stop
Icelandair Logo
8:30 pm - 12:50 pmIAD-BRU
10h 20m1 stop
$497Icelandair
Find Deal
Fri, Oct 3 - Sat, Oct 11
Lufthansa Logo
12:00 pm - 2:25 pmBRU-IAD
8h 25mnonstop
Lufthansa Logo
5:45 pm - 7:15 amIAD-BRU
7h 30mnonstop
$506Lufthansa
Find Deal
Thu, Aug 21 - Wed, Sep 3
Lufthansa Logo
12:00 pm - 2:25 pmBRU-IAD
8h 25mnonstop
Lufthansa Logo
5:45 pm - 7:15 amIAD-BRU
7h 30mnonstop
$508Lufthansa
Find Deal
Tue, Aug 26 - Tue, Sep 16

Scandinavian Airlines flights from Belgium to Washington, D.C. Dulles Intl Airport

Our best Scandinavian Airlines deals on Belgium to Washington, D.C. Dulles Intl Airport flight tickets
Scandinavian Airlines
Nov 27
BRU10:20 amBrussels Bruxelles-National
12h 55m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
Dec 4
IAD8:30 pmWashington, D.C. Dulles Intl
17h 20m
1 stop
BRU7:50 pmBrussels Bruxelles-National
$452
Find similar
Scandinavian Airlines
Nov 12
BRU10:20 amBrussels Bruxelles-National
12h 55m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
Nov 17
IAD8:30 pmWashington, D.C. Dulles Intl
12h 00m
1 stop
BRU2:30 pmBrussels Bruxelles-National
$460
Find similar
Scandinavian Airlines
Nov 12
BRU7:20 pmBrussels Bruxelles-National
27h 55m
2 stops
IAD5:15 pmWashington, D.C. Dulles Intl
Nov 17
IAD8:30 pmWashington, D.C. Dulles Intl
12h 00m
1 stop
BRU2:30 pmBrussels Bruxelles-National
$463
Find similar

Icelandair flights from Belgium to Washington, D.C. Dulles Intl Airport

Our best Icelandair deals on Belgium to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair
Aug 27
BRU1:50 pmBrussels Bruxelles-National
11h 30m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Sep 3
IAD8:30 pmWashington, D.C. Dulles Intl
10h 20m
1 stop
BRU12:50 pmBrussels Bruxelles-National
$477
Find similar
Icelandair
Oct 3
BRU1:50 pmBrussels Bruxelles-National
11h 30m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Oct 11
IAD8:30 pmWashington, D.C. Dulles Intl
10h 20m
1 stop
BRU12:50 pmBrussels Bruxelles-National
$497
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Belgium 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 August 7, 2025.
Use the filters below to find and compare flights from Belgium 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

Sun 8/24

12:00 pm-2:25 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

Sun 8/31

6:05 pm-11:00 am

1 stop10h 55m

$358

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 11/27

10:20 am-5:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Thu 12/4

8:30 pm-7:50 pm

1 stop17h 20m

$452

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 10/11

12:00 pm-2:25 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

Sat 10/11

10:21 pm-8:05 am

2 stops27h 44m

$461

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 10/11

6:45 am-7:25 pm

1 stop18h 40m

Washington, D.C. Dulles Intl

Sat 10/11

10:21 pm-8:05 am

2 stops27h 44m

$467

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 8/27

1:50 pm-7:20 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Wed 9/3

8:30 pm-12:50 pm

1 stop10h 20m

$477

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 9/12

10:00 am-9:05 pm

1 stop17h 05m

Washington, D.C. Dulles Intl

Sat 10/11

1:00 pm-8:05 am

1 stop13h 05m

$483

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 8/26

10:00 am-4:18 pm

1 stop12h 18m

Washington, D.C. Dulles Intl

Tue 9/16

9:35 am-8:05 am

1 stop16h 30m

$485

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 10/3

1:50 pm-7:20 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Sat 10/11

8:30 pm-12:50 pm

1 stop10h 20m

$497

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 8/21

12:00 pm-2:25 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

Wed 9/3

5:45 pm-7:15 am

Nonstop7h 30m

$506

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 8/26

12:00 pm-2:25 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

Tue 9/16

5:45 pm-7:15 am

Nonstop7h 30m

$508

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 Belgium 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?

In general, May is the cheapest month to fly from Belgium 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 Friday 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 $699. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Belgium to Washington, D.C. Dulles Intl Airport for around $784.

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 Belgium 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 $722 on average. Flights to Washington, D.C. Dulles Intl Airport from Belgium in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Belgium to Washington, D.C. Dulles Intl flight route?

Fly from Brussels Bruxelles-National to Washington, D.C. Dulles Intl for the best Belgium - 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 Belgium 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 $607 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 Belgium for as low as $572 on momondo.

What cabin class options are available on Belgium to Washington, D.C. Dulles Intl flights?

There are 3 cabin classes available to choose from on Belgium 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 Belgium to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belgium to Washington, D.C. Dulles Intl Airport

Best Price Found

$331

Fastest flight time

8h 25m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Belgium in the past 72 hours is $331. The best round-trip flight deal from Belgium to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $358.
The fastest flight from Belgium to Washington, D.C. Dulles Intl Airport takes 8h 25m
Direct flights go from Belgium to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Belgium to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Belgium to Washington, D.C. Dulles Intl Airport are updated daily.

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

  • How old do you have to be to fly from Belgium to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belgium 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 Belgium to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Belgium to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Belgium to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $456Free CancellationRating
6.6
7,251 reviews
Search British Airways flights
Aer LingusPriceFrom $468Free CancellationRating
7.1
1,202 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $470Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $496Free CancellationRating
7.2
350 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $525Free CancellationRating
6.8
7,296 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
Arlington
National Harbor
Winchester
Woodbridge
Laurel
Silver Spring
Tysons
Waldorf
Fredericksburg
Harpers Ferry
Colonial Beach
Manassas
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie

Why use momondo?

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

Finding the right flight to Washington, D.C. from Belgium is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

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

How can momondo help me find flights from Belgium to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Belgium.

I’m not ready to book a flight from Belgium to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Belgium are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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