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Cheap flights from Washington, D.C. to Brussels from $249

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Brussels departing on 2/9. 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 round-trip flights

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Icelandair Logo
7:40 pm - 11:55 amBWI-BRU
10h 15m1 stop
Icelandair Logo
12:50 pm - 6:40 pmBRU-BWI
11h 50m1 stop
$393Icelandair
Find Deal
Wed, Jan 21 - Fri, Jan 30
Icelandair Logo
7:40 pm - 11:55 amBWI-BRU
10h 15m1 stop
Icelandair Logo
12:50 pm - 6:40 pmBRU-BWI
11h 50m1 stop
$396Icelandair
Find Deal
Thu, Nov 27 - Thu, Dec 11
Scandinavian Airlines Logo
4:45 pm - 9:40 amBWI-BRU
34h 55m2 stops
Scandinavian Airlines Logo
8:30 pm - 10:04 pmBRU-BWI
31h 34m2 stops
$524Scandinavian Airlines
Find Deal
Fri, Jan 23 - Wed, Jan 28
Scandinavian Airlines Logo
10:55 am - 2:30 pmBWI-BRU
21h 35m2 stops
Scandinavian Airlines Logo
3:10 pm - 9:18 amBRU-BWI
24h 08m2 stops
$531Scandinavian Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15
Aer Lingus Logo
5:05 pm - 9:35 amIAD-BRU
10h 30m1 stop
Aer Lingus Logo
10:15 am - 3:35 pmBRU-IAD
11h 20m1 stop
$555Aer Lingus
Find Deal
Sun, Jan 18 - Tue, Feb 3
Aer Lingus Logo
9:00 pm - 6:15 pmIAD-BRU
15h 15m1 stop
Aer Lingus Logo
10:15 am - 3:35 pmBRU-IAD
11h 20m1 stop
$605Aer Lingus
Find Deal
Tue, Dec 9 - Tue, Dec 16
British Airways Logo
8:35 pm - 1:50 pmBWI-BRU
11h 15m1 stop
British Airways Logo
10:15 am - 6:45 pmBRU-BWI
14h 30m1 stop
$712British Airways
Find Deal
Wed, Jan 21 - Thu, Jan 29
British Airways Logo
8:35 pm - 7:55 pmBWI-BRU
17h 20m1 stop
British Airways Logo
8:45 pm - 6:45 pmBRU-BWI
28h 00m1 stop
$713British Airways
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Sun, Feb 1 - Mon, Feb 9
United Airlines Logo
10:05 am - 8:55 amBWI-BRU
40h 50m2 stops
United Airlines Logo
10:10 am - 9:41 pmBRU-BWI
17h 31m1 stop
$722United Airlines
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Wed, Jan 21 - Thu, Jan 29
United Airlines Logo
8:00 pm - 8:55 amDCA-BRU
30h 55m1 stop
United Airlines Logo
10:00 am - 10:23 amBRU-DCA
30h 23m1 stop
$755United Airlines
Find Deal
Sun, Feb 1 - Mon, Feb 9

Scandinavian Airlines flights from Washington, D.C. to Brussels

Our best Scandinavian Airlines deals on Washington, D.C. to Brussels flight tickets
Scandinavian Airlines
Jan 23
BWI4:45 pmBaltimore/Washington
34h 55m
2 stops
BRU9:40 amBrussels Bruxelles-National
Jan 28
BRU8:30 pmBrussels Bruxelles-National
31h 34m
2 stops
BWI10:04 pmBaltimore/Washington
$524
Find similar
Scandinavian Airlines
Dec 8
BWI10:55 amBaltimore/Washington
21h 35m
2 stops
BRU2:30 pmBrussels Bruxelles-National
Dec 15
BRU3:10 pmBrussels Bruxelles-National
24h 08m
2 stops
BWI9:18 amBaltimore/Washington
$531
Find similar
Scandinavian Airlines
Jan 9
DCA11:10 amWashington, D.C. Reagan-National
16h 30m
2 stops
BRU9:40 amBrussels Bruxelles-National
Jan 18
BRU10:20 amBrussels Bruxelles-National
18h 28m
2 stops
DCA10:48 pmWashington, D.C. Reagan-National
$534
Find similar

Aer Lingus flights from Washington, D.C. to Brussels

Our best Aer Lingus deals on Washington, D.C. to Brussels flight tickets
Aer Lingus
Jan 18
IAD5:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National
Feb 3
BRU10:15 amBrussels Bruxelles-National
11h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$555
Find similar
Aer Lingus
Dec 9
IAD9:00 pmWashington, D.C. Dulles Intl
15h 15m
1 stop
BRU6:15 pmBrussels Bruxelles-National
Dec 16
BRU10:15 amBrussels Bruxelles-National
11h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$605
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momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Brussels 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 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 1/21

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

Fri 1/30

12:50 pm-6:40 pm

1 stop11h 50m

$393

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Thu 11/27

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

Thu 12/11

12:50 pm-6:40 pm

1 stop11h 50m

$396

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Fri 1/23

4:45 pm-9:40 am

2 stops34h 55m

Brussels Bruxelles-National

Wed 1/28

8:30 pm-10:04 pm

2 stops31h 34m

$524

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Mon 12/8

10:55 am-2:30 pm

2 stops21h 35m

Brussels Bruxelles-National

Mon 12/15

3:10 pm-9:18 am

2 stops24h 08m

$531

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 1/18

5:05 pm-9:35 am

1 stop10h 30m

Brussels Bruxelles-National

Tue 2/3

10:15 am-3:35 pm

1 stop11h 20m

$555

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 12/9

9:00 pm-6:15 pm

1 stop15h 15m

Brussels Bruxelles-National

Tue 12/16

10:15 am-3:35 pm

1 stop11h 20m

$605

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 1/21

8:35 pm-1:50 pm

1 stop11h 15m

Brussels Bruxelles-National

Thu 1/29

10:15 am-6:45 pm

1 stop14h 30m

$712

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Sun 2/1

8:35 pm-7:55 pm

1 stop17h 20m

Brussels Bruxelles-National

Mon 2/9

8:45 pm-6:45 pm

1 stop28h 00m

$713

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 1/21

10:05 am-8:55 am

2 stops40h 50m

Brussels Bruxelles-National

Thu 1/29

10:10 am-9:41 pm

1 stop17h 31m

$722

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Sun 2/1

8:00 pm-8:55 am

1 stop30h 55m

Brussels Bruxelles-National

Mon 2/9

10:00 am-10:23 am

1 stop30h 23m

$755

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 Brussels from

How to get the cheapest flight ticket from Washington, D.C. to Brussels

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 Brussels?

In general, October is the cheapest month to fly from Washington, D.C. to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $602. If you are unable to visit Brussels during the month of October, then departing from Washington, D.C. during the month January is also very affordable. Most momondo users find prices during this month for around $617.

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from Washington, D.C. is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,061. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,262.

What is the cheapest time of day to depart on your flight to Brussels?

According to our data, the cheapest time of day to fly to Brussels is at noon. momondo users have found flights departing from Washington, D.C. to Brussels at noon for as low as $668. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,156.

What is the cheapest Washington, D.C. to Brussels flight route?

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

How far in advance should I book a flight to Brussels?

You are more likely to see cheaper flights to Brussels from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around $824 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Washington, D.C. for as low as $681 on momondo.

What cabin class options are available on Washington, D.C. to Brussels flights?

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

Cheap Washington, D.C. to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Brussels

Fastest flight time

7h 30m

Direct flights

Every day

Airports in Brussels

1 airport
The fastest flight from Washington, D.C. to Brussels takes 7h 30m
Direct flights go from Washington, D.C. to Brussels every day.
There is 1 airport near Brussels: Brussels Bruxelles-National (BRU)
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  • How far is Washington, D.C. to Brussels by plane?

    The distance between Washington, D.C. and Brussels is about 3859.6 mi. In terms of flight time, this usually takes a little over 10h 15m.

  • When did momondo last update prices for flights from Washington, D.C. to Brussels?

    Prices for flights from Washington, D.C. to Brussels are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Brussels?

  • How old do you have to be to fly from Washington, D.C. to Brussels?

    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 Washington, D.C. to Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The travel and health documents you'll need for your trip to Brussels 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 license and a passport that is valid for six months after your intended arrival at Brussels. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Brussels

Compare and see reviews for airlines that fly from Washington, D.C. to Brussels with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $419Free CancellationRating
7.4
1,570 reviews
Search Scandinavian Airlines flights
PLAYPriceFrom $432Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom $441Free CancellationRating
7.1
578 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $480Free CancellationRating
7.1
2,057 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $539Free CancellationRating
7.2
1,368 reviews
Search Aer Lingus flights
Turkish AirlinesPriceFrom $540Free CancellationRating
7.3
4,041 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,510 reviews
Search British Airways flights
United AirlinesPriceFrom $603Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $633Free CancellationRating
7.2
369 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $762Free CancellationRating
6.8
7,565 reviews
Search Lufthansa flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Brussels. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Brussels from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Brussels.

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

Price alerts on flights to Brussels from Washington, D.C. 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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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport