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Cheap flights from Washington, D.C. to Brussels from $278

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 2/11. 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
$388Icelandair
Find Deal
Wed, Jan 21 - Fri, Jan 30
Icelandair Logo
8:30 pm - 12:50 pmBWI-BRU
10h 20m1 stop
Icelandair Logo
1:50 pm - 7:25 pmBRU-BWI
11h 35m1 stop
$393Icelandair
Find Deal
Wed, Apr 8 - Mon, Apr 13
Icelandair Logo
11:35 pm - 12:50 pmBWI-BRU
31h 15m1 stop
Icelandair Logo
1:50 pm - 7:25 pmBRU-BWI
11h 35m1 stop
$394Icelandair
Find Deal
Tue, Apr 7 - Mon, Apr 13
Icelandair Logo
8:30 pm - 12:55 pmBWI-BRU
10h 25m1 stop
Icelandair Logo
1:50 pm - 7:25 pmBRU-BWI
11h 35m1 stop
$395Icelandair
Find Deal
Wed, Apr 22 - Wed, May 13
Multiple Airlines Logo
7:40 pm - 6:15 pmBWI-BRU
16h 35m2 stops
Multiple Airlines Logo
9:05 am - 6:40 pmBRU-BWI
15h 35m2 stops
$475Multiple Airlines
Find Deal
Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
7:40 pm - 4:10 pmBWI-BRU
14h 30m2 stops
Multiple Airlines Logo
9:05 am - 6:40 pmBRU-BWI
15h 35m2 stops
$504Multiple Airlines
Find Deal
Fri, Jan 23 - Sat, Jan 31
ITA Airways Logo
5:45 pm - 10:40 amIAD-BRU
11h 55m1 stop
ITA Airways Logo
6:55 pm - 3:40 pmBRU-IAD
25h 45m1 stop
$510ITA Airways
Find Deal
Tue, Mar 17 - Mon, Mar 23
Scandinavian Airlines Logo
8:20 pm - 2:35 pmIAD-BRU
12h 15m1 stop
Scandinavian Airlines Logo
10:20 am - 4:50 pmBRU-IAD
12h 30m1 stop
$512Scandinavian Airlines
Find Deal
Mon, Mar 30 - Wed, Apr 8
ITA Airways Logo
4:30 pm - 6:00 pmIAD-BRU
19h 30m1 stop
ITA Airways Logo
9:25 am - 2:40 pmBRU-IAD
35h 15m2 stops
$515ITA Airways
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Sun, Apr 12 - Sat, Apr 18
Scandinavian Airlines Logo
11:10 am - 2:30 pmDCA-BRU
21h 20m2 stops
Scandinavian Airlines Logo
10:20 am - 10:48 pmBRU-DCA
18h 28m2 stops
$516Scandinavian Airlines
Find Deal
Wed, Jan 14 - Thu, Jan 22

Icelandair flights from Washington, D.C. to Brussels Bruxelles-National Airport

Our best Icelandair deals on Washington, D.C. to Brussels Bruxelles-National Airport flight tickets
Icelandair
Jan 21
BWI7:40 pmBaltimore/Washington
10h 15m
1 stop
BRU11:55 amBrussels Bruxelles-National
Jan 30
BRU12:50 pmBrussels Bruxelles-National
11h 50m
1 stop
BWI6:40 pmBaltimore/Washington
$388
Find similar
Icelandair
Apr 8
BWI8:30 pmBaltimore/Washington
10h 20m
1 stop
BRU12:50 pmBrussels Bruxelles-National
Apr 13
BRU1:50 pmBrussels Bruxelles-National
11h 35m
1 stop
BWI7:25 pmBaltimore/Washington
$393
Find similar
Icelandair
Apr 7
BWI11:35 pmBaltimore/Washington
31h 15m
1 stop
BRU12:50 pmBrussels Bruxelles-National
Apr 13
BRU1:50 pmBrussels Bruxelles-National
11h 35m
1 stop
BWI7:25 pmBaltimore/Washington
$394
Find similar

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

Our best ITA Airways deals on Washington, D.C. to Brussels Bruxelles-National Airport flight tickets
ITA Airways
Mar 17
IAD5:45 pmWashington, D.C. Dulles Intl
11h 55m
1 stop
BRU10:40 amBrussels Bruxelles-National
Mar 23
BRU6:55 pmBrussels Bruxelles-National
25h 45m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$510
Find similar
ITA Airways
Apr 12
IAD4:30 pmWashington, D.C. Dulles Intl
19h 30m
1 stop
BRU6:00 pmBrussels Bruxelles-National
Apr 18
BRU9:25 amBrussels Bruxelles-National
35h 15m
2 stops
IAD2:40 pmWashington, D.C. Dulles Intl
$515
Find similar
ITA Airways
Apr 10
IAD4:30 pmWashington, D.C. Dulles Intl
12h 10m
1 stop
BRU10:40 amBrussels Bruxelles-National
Apr 13
BRU6:55 pmBrussels Bruxelles-National
25h 45m
1 stop
IAD2:40 pmWashington, D.C. Dulles Intl
$534
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Brussels Bruxelles-National 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 26, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Brussels Bruxelles-National Airport 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

$388

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 4/8

8:30 pm-12:50 pm

1 stop10h 20m

Brussels Bruxelles-National

Mon 4/13

1:50 pm-7:25 pm

1 stop11h 35m

$393

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Tue 4/7

11:35 pm-12:50 pm

1 stop31h 15m

Brussels Bruxelles-National

Mon 4/13

1:50 pm-7:25 pm

1 stop11h 35m

$394

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 4/22

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Wed 5/13

1:50 pm-7:25 pm

1 stop11h 35m

$395

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Sat 1/17

7:40 pm-6:15 pm

2 stops16h 35m

Brussels Bruxelles-National

Sat 1/24

9:05 am-6:40 pm

2 stops15h 35m

$475

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Fri 1/23

7:40 pm-4:10 pm

2 stops14h 30m

Brussels Bruxelles-National

Sat 1/31

9:05 am-6:40 pm

2 stops15h 35m

$504

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 3/17

5:45 pm-10:40 am

1 stop11h 55m

Brussels Bruxelles-National

Mon 3/23

6:55 pm-3:40 pm

1 stop25h 45m

$510

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 3/30

8:20 pm-2:35 pm

1 stop12h 15m

Brussels Bruxelles-National

Wed 4/8

10:20 am-4:50 pm

1 stop12h 30m

$512

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 4/12

4:30 pm-6:00 pm

1 stop19h 30m

Brussels Bruxelles-National

Sat 4/18

9:25 am-2:40 pm

2 stops35h 15m

$515

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Wed 1/14

11:10 am-2:30 pm

2 stops21h 20m

Brussels Bruxelles-National

Thu 1/22

10:20 am-10:48 pm

2 stops18h 28m

$516

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 Bruxelles-National 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 Washington, D.C. and Brussels Bruxelles-National Airport?

What is the cheapest month to fly to Brussels Bruxelles-National Airport?

The cheapest month to fly to Brussels Bruxelles-National Airport from Washington, D.C. is in October. Flight prices, which tend to average around $602, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Brussels Bruxelles-National Airport from Washington, D.C. during January instead. Flights to Brussels Bruxelles-National Airport in January, while not as cheap as those in October, still average around $617.

What is the cheapest day to depart on your flight to Brussels Bruxelles-National Airport?

The cheapest day to depart from Washington, D.C. to Brussels Bruxelles-National Airport is on a Wednesday. Travelers who choose to depart for Brussels Bruxelles-National Airport on a Wednesday will often find tickets for as low as $1,061. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Brussels Bruxelles-National Airport for around $1,262.

What is the cheapest time of day to depart on your flight to Brussels Bruxelles-National Airport?

Our most recent data shows that the best time of day to fly to Brussels Bruxelles-National Airport is at noon. Flights from Washington, D.C. to Brussels Bruxelles-National Airport during this time can be as low as $668. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,150 on average. Flights to Brussels Bruxelles-National Airport from Washington, D.C. in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

How far in advance should I book a flight to Brussels Bruxelles-National Airport?

You are more likely to see cheaper flights to Brussels Bruxelles-National Airport from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels Bruxelles-National Airport for around $819 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels Bruxelles-National Airport from Washington, D.C. for as low as $681 on momondo.

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

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

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

As of November 2025, prices for Washington, D.C. to Brussels Bruxelles-National Airport flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Brussels Bruxelles-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Brussels Bruxelles-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Brussels Bruxelles-National Airport (WAS to BRU) flight deals and tips

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

Best Price Found

$624

Fastest flight time

7h 30m

Direct flights

Every day
The best one-way flight to Brussels Bruxelles-National Airport from Washington, D.C. in the past 72 hours is $624. The best round-trip flight deal from Washington, D.C. to Brussels Bruxelles-National Airport found on momondo in the last 72 hours is $913.
The fastest flight from Washington, D.C. to Brussels Bruxelles-National Airport takes 7h 30m
Direct flights go from Washington, D.C. to Brussels Bruxelles-National Airport every day.
Search flight deals

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

    A flight from Washington, D.C. to Brussels Bruxelles-National will travel around 3863.7 mi. By plane, this route typically takes 9h 35m.

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

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

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

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

  • What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

    The travel and health documents you'll need for your trip to Brussels Bruxelles-National Airport 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 Bruxelles-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to Brussels Bruxelles-National Airport with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $419Free CancellationRating
7.4
1,589 reviews
Search Scandinavian Airlines flights
PLAYPriceFrom $432Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom $441Free CancellationRating
7.0
582 reviews
Search Icelandair flights
KLMPriceFrom $480Free CancellationRating
7.7
1,423 reviews
Search KLM flights
TAP AIR PORTUGALPriceFrom $480Free CancellationRating
7.1
2,075 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $511Free CancellationRating
7.9
8,004 reviews
Search Delta flights
Aer LingusPriceFrom $539Free CancellationRating
7.2
1,382 reviews
Search Aer Lingus flights
Turkish AirlinesPriceFrom $540Free CancellationRating
7.3
4,063 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,539 reviews
Search British Airways flights
United AirlinesPriceFrom $596Free CancellationRating
7.4
9,050 reviews
Search United Airlines flights

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

    Across 7 United Airlines flights from Washington, D.C. to Brussels Bruxelles-National Airport this week, the average price was $953, with the best United Airlines deals starting from $596 round-trip. 9,050 users have rated United Airlines on momondo, with an average score of 7.4/10.

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

    Across 370 Brussels Airlines reviews on momondo, the average score is 7.2/10. Brussels Airlines flies from Washington, D.C. to Brussels Bruxelles-National Airport about 7 times each week, with ticket deals ranging from $633 to $1,069. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Ghent
Bruges
Leuven
Charleroi
Hasselt
Spa
Zaventem
Namur
Genk
Dinant
Mons
Durbuy
Waterloo
Aalst
Mechelen
Francorchamps
Knokke-Heist
Tournai
Oostkamp
Halle

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Brussels. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Washington, D.C. to Brussels on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Washington, D.C. to Brussels flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Washington, D.C. to Brussels 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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