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Cheap flights from Belgium to Washington, D.C. from $363

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 12/14. 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.

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
10:20 am - 6:50 pmBRU-IAD
14h 30m1 stop
Scandinavian Airlines Logo
8:30 pm - 7:50 pmIAD-BRU
17h 20m1 stop
$519Scandinavian Airlines
Find Deal
Sat, Jan 17 - Sat, Jan 24
TAP AIR PORTUGAL Logo
6:00 am - 3:15 pmBRU-IAD
15h 15m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 11:00 amIAD-BRU
11h 30m1 stop
$520TAP AIR PORTUGAL
Find Deal
Sat, Jan 17 - Sat, Jan 24
Scandinavian Airlines Logo
10:20 am - 6:15 pmBRU-IAD
12h 55m1 stop
Scandinavian Airlines Logo
9:30 pm - 2:30 pmIAD-BRU
12h 00m1 stop
$521Scandinavian Airlines
Find Deal
Thu, Mar 12 - Mon, Mar 16
ITA Airways Logo
6:55 pm - 3:40 pmBRU-IAD
25h 45m1 stop
ITA Airways Logo
4:30 pm - 6:00 pmIAD-BRU
19h 30m1 stop
$534ITA Airways
Find Deal
Wed, Mar 25 - Tue, Mar 31
Icelandair Logo
12:50 pm - 6:30 pmBRU-IAD
11h 40m1 stop
Icelandair Logo
7:40 pm - 11:55 amIAD-BRU
10h 15m1 stop
$539Icelandair
Find Deal
Thu, Nov 20 - Wed, Dec 3
Icelandair Logo
12:50 pm - 6:30 pmBRU-IAD
11h 40m1 stop
Icelandair Logo
7:40 pm - 11:55 amIAD-BRU
10h 15m1 stop
$540Icelandair
Find Deal
Thu, Nov 20 - Wed, Dec 3
Aer Lingus Logo
10:15 am - 3:35 pmBRU-IAD
11h 20m1 stop
Aer Lingus Logo
5:05 pm - 9:35 amIAD-BRU
10h 30m1 stop
$550Aer Lingus
Find Deal
Mon, Feb 16 - Fri, Feb 27
Aer Lingus Logo
10:15 am - 3:35 pmBRU-IAD
11h 20m1 stop
Aer Lingus Logo
5:05 pm - 9:35 amIAD-BRU
10h 30m1 stop
$569Aer Lingus
Find Deal
Sun, Nov 23 - Sat, Nov 29
Lufthansa Logo
2:25 pm - 8:15 pmBRU-IAD
11h 50m1 stop
Lufthansa Logo
5:45 pm - 7:15 amIAD-BRU
7h 30mnonstop
$584Lufthansa
Find Deal
Thu, Nov 20 - Wed, Dec 3
Lufthansa Logo
2:25 pm - 8:15 pmBRU-IAD
11h 50m1 stop
Lufthansa Logo
5:45 pm - 7:15 amIAD-BRU
7h 30mnonstop
$593Lufthansa
Find Deal
Fri, Feb 20 - Fri, Feb 27

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
Jan 17
BRU10:20 amBrussels Bruxelles-National
14h 30m
1 stop
IAD6:50 pmWashington, D.C. Dulles Intl
Jan 24
IAD8:30 pmWashington, D.C. Dulles Intl
17h 20m
1 stop
BRU7:50 pmBrussels Bruxelles-National
$519
Find similar
Scandinavian Airlines
Mar 12
BRU10:20 amBrussels Bruxelles-National
12h 55m
1 stop
IAD6:15 pmWashington, D.C. Dulles Intl
Mar 16
IAD9:30 pmWashington, D.C. Dulles Intl
12h 00m
1 stop
BRU2:30 pmBrussels Bruxelles-National
$521
Find similar
Scandinavian Airlines
Mar 12
BRU10:20 amBrussels Bruxelles-National
12h 55m
1 stop
IAD6:15 pmWashington, D.C. Dulles Intl
Mar 16
IAD9:30 pmWashington, D.C. Dulles Intl
31h 10m
1 stop
BRU9:40 amBrussels Bruxelles-National
$537
Find similar

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

Our best Aer Lingus deals on Belgium to Washington, D.C. Dulles Intl Airport flight tickets
Aer Lingus
Feb 16
BRU10:15 amBrussels Bruxelles-National
11h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Feb 27
IAD5:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National
$550
Find similar
Aer Lingus
Nov 23
BRU10:15 amBrussels Bruxelles-National
11h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Nov 29
IAD5:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National
$569
Find similar
Aer Lingus
Nov 15
BRU10:15 amBrussels Bruxelles-National
15h 15m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Nov 22
IAD5:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National
$687
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 November 6, 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

Sat 1/17

10:20 am-6:50 pm

1 stop14h 30m

Washington, D.C. Dulles Intl

Sat 1/24

8:30 pm-7:50 pm

1 stop17h 20m

$519

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 1/17

6:00 am-3:15 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Sat 1/24

5:30 pm-11:00 am

1 stop11h 30m

$520

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 3/12

10:20 am-6:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Mon 3/16

9:30 pm-2:30 pm

1 stop12h 00m

$521

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 3/25

6:55 pm-3:40 pm

1 stop25h 45m

Washington, D.C. Dulles Intl

Tue 3/31

4:30 pm-6:00 pm

1 stop19h 30m

$534

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 11/20

12:50 pm-6:30 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Wed 12/3

7:40 pm-11:55 am

1 stop10h 15m

$539

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 11/20

12:50 pm-6:30 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Wed 12/3

7:40 pm-11:55 am

1 stop10h 15m

$540

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 2/16

10:15 am-3:35 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Fri 2/27

5:05 pm-9:35 am

1 stop10h 30m

$550

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sun 11/23

10:15 am-3:35 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sat 11/29

5:05 pm-9:35 am

1 stop10h 30m

$569

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 11/20

2:25 pm-8:15 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Wed 12/3

5:45 pm-7:15 am

Nonstop7h 30m

$584

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 2/20

2:25 pm-8:15 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Fri 2/27

5:45 pm-7:15 am

Nonstop7h 30m

$593

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 January is also cheap. Prices for this month can be found on momondo for an average of $542.

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 $702. When flying out on a Monday, 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 $799.

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 $730 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 $610 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 $540 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

$796

Fastest flight time

8h 20m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Belgium in the past 72 hours is $796. The best round-trip flight deal from Belgium to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $785.
The fastest flight from Belgium to Washington, D.C. Dulles Intl Airport takes 8h 20m
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
6.7
7,500 reviews
Search British Airways flights
United AirlinesPriceFrom $470Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $496Free CancellationRating
7.2
369 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $528Free CancellationRating
6.8
7,558 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
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
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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