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Cheap flights from Washington, D.C. to Brussels from $324

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 7/9. 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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Find the cheapest flights from Washington, D.C. to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
8:35 pm - 1:55 pm
BWI
-
BRU
11h 20m
1 stop
British Airways Logo
12:00 pm - 6:45 pm
BRU
-
BWI
12h 45m
1 stop
$721British Airways
Mon, Nov 9 - Tue, Nov 17
Icelandair Logo
7:40 pm - 11:55 am
BWI
-
BRU
10h 15m
1 stop
Icelandair Logo
12:50 pm - 6:40 pm
BRU
-
BWI
11h 50m
1 stop
$726Icelandair
Mon, Nov 9 - Tue, Nov 17
Scandinavian Airlines Logo
1:00 pm - 9:40 am
BWI
-
BRU
14h 40m
2 stops
Scandinavian Airlines Logo
10:20 am - 10:15 pm
BRU
-
BWI
17h 55m
2 stops
$731Scandinavian Airlines
Mon, Nov 9 - Tue, Nov 17
Icelandair Logo
7:40 pm - 11:55 am
BWI
-
BRU
10h 15m
1 stop
Icelandair Logo
12:50 pm - 6:40 pm
BRU
-
BWI
11h 50m
1 stop
$736Icelandair
Wed, Nov 11 - Tue, Nov 17
Icelandair Logo
7:40 pm - 11:55 am
BWI
-
BRU
10h 15m
1 stop
Icelandair Logo
12:50 pm - 6:40 pm
BRU
-
BWI
11h 50m
1 stop
$757Icelandair
Mon, Nov 9 - Thu, Nov 19
Scandinavian Airlines Logo
9:00 am - 10:40 am
BWI
-
BRU
19h 40m
2 stops
Scandinavian Airlines Logo
10:20 am - 12:11 am
BRU
-
BWI
19h 51m
2 stops
$789Scandinavian Airlines
Sat, Oct 24 - Fri, Nov 27
Multiple Airlines Logo
8:30 pm - 6:15 pm
IAD
-
BRU
15h 45m
2 stops
Multiple Airlines Logo
10:00 am - 8:24 pm
BRU
-
IAD
16h 24m
2 stops
$836Multiple Airlines
Mon, Aug 17 - Tue, Aug 25
Multiple Airlines Logo
8:30 pm - 8:45 pm
IAD
-
BRU
18h 15m
2 stops
Multiple Airlines Logo
9:55 pm - 8:35 pm
BRU
-
IAD
28h 40m
2 stops
$837Multiple Airlines
Wed, Aug 5 - Wed, Aug 26
TAP AIR PORTUGAL Logo
10:35 pm - 11:55 pm
IAD
-
BRU
19h 20m
1 stop
TAP AIR PORTUGAL Logo
8:55 pm - 8:35 pm
BRU
-
IAD
29h 40m
1 stop
$842TAP AIR PORTUGAL
Tue, Sep 22 - Tue, Sep 29
TAP AIR PORTUGAL Logo
5:05 pm - 11:00 am
IAD
-
BRU
11h 55m
1 stop
TAP AIR PORTUGAL Logo
8:55 pm - 8:35 pm
BRU
-
IAD
29h 40m
1 stop
$843TAP AIR PORTUGAL
Tue, Sep 22 - Tue, Sep 29

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
Nov 9
BWI7:40 pmBaltimore/Washington
10h 15m
1 stop
BRU11:55 amBrussels Bruxelles-National
Nov 17
BRU12:50 pmBrussels Bruxelles-National
11h 50m
1 stop
BWI6:40 pmBaltimore/Washington
$726
Icelandair
Nov 11
BWI7:40 pmBaltimore/Washington
10h 15m
1 stop
BRU11:55 amBrussels Bruxelles-National
Nov 17
BRU12:50 pmBrussels Bruxelles-National
11h 50m
1 stop
BWI6:40 pmBaltimore/Washington
$736
Icelandair
Nov 9
BWI7:40 pmBaltimore/Washington
10h 15m
1 stop
BRU11:55 amBrussels Bruxelles-National
Nov 19
BRU12:50 pmBrussels Bruxelles-National
11h 50m
1 stop
BWI6:40 pmBaltimore/Washington
$757

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

Our best Air Canada deals on Washington, D.C. to Brussels Bruxelles-National Airport flight tickets
Air Canada
Jun 12
DCA8:40 pmWashington, D.C. Reagan-National
28h 30m
2 stops
BRU7:10 amBrussels Bruxelles-National
Jun 21
BRU9:55 amBrussels Bruxelles-National
32h 05m
3 stops
DCA12:00 pmWashington, D.C. Reagan-National
$906
Air Canada
Jun 12
DCA8:40 pmWashington, D.C. Reagan-National
28h 30m
2 stops
BRU7:10 amBrussels Bruxelles-National
Jun 21
BRU9:55 amBrussels Bruxelles-National
35h 43m
2 stops
DCA3:38 pmWashington, D.C. Reagan-National
$917
Air Canada
Nov 9
DCA11:00 amWashington, D.C. Reagan-National
14h 50m
1 stop
BRU7:50 amBrussels Bruxelles-National
Nov 17
BRU10:00 amBrussels Bruxelles-National
30h 21m
1 stop
DCA10:21 amWashington, D.C. Reagan-National
$939

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 May 31, 2026.
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

Cheapest round-trip

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Mon 11/9

8:35 pm-1:55 pm

1 stop11h 20m

Brussels Bruxelles-National

Tue 11/17

12:00 pm-6:45 pm

1 stop12h 45m

$721
Quickest round-trip

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Mon 11/9

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

Tue 11/17

12:50 pm-6:40 pm

1 stop11h 50m

$726

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Mon 11/9

1:00 pm-9:40 am

2 stops14h 40m

Brussels Bruxelles-National

Tue 11/17

10:20 am-10:15 pm

2 stops17h 55m

$731

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 11/11

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

Tue 11/17

12:50 pm-6:40 pm

1 stop11h 50m

$736

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Mon 11/9

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

Thu 11/19

12:50 pm-6:40 pm

1 stop11h 50m

$757

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Sat 10/24

9:00 am-10:40 am

2 stops19h 40m

Brussels Bruxelles-National

Fri 11/27

10:20 am-12:11 am

2 stops19h 51m

$789

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 8/17

8:30 pm-6:15 pm

2 stops15h 45m

Brussels Bruxelles-National

Tue 8/25

10:00 am-8:24 pm

2 stops16h 24m

$836

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 8/5

8:30 pm-8:45 pm

2 stops18h 15m

Brussels Bruxelles-National

Wed 8/26

9:55 pm-8:35 pm

2 stops28h 40m

$837

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 9/22

10:35 pm-11:55 pm

1 stop19h 20m

Brussels Bruxelles-National

Tue 9/29

8:55 pm-8:35 pm

1 stop29h 40m

$842

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 9/22

5:05 pm-11:00 am

1 stop11h 55m

Brussels Bruxelles-National

Tue 9/29

8:55 pm-8:35 pm

1 stop29h 40m

$843

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 September. Flight prices, which tend to average around $199, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Brussels Bruxelles-National Airport from Washington, D.C. during July instead. Flights to Brussels Bruxelles-National Airport in July, while not as cheap as those in September, still average around $235.

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 Thursday. Travelers who choose to depart for Brussels Bruxelles-National Airport on a Thursday will often find tickets for as low as $1,103. 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 $1,322.

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 from Washington, D.C. 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 $805 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 $655 on momondo.

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

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

Can stopping save me money on Washington, D.C. to Brussels Bruxelles-National Airport flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Brussels Bruxelles-National Airport.

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

As of May 2026, prices for Washington, D.C. to Brussels Bruxelles-National Airport flights are approximately 14% cheaper 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

$741

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 $741. The best round-trip flight deal from Washington, D.C. to Brussels Bruxelles-National Airport found on momondo in the last 72 hours is $1,241.
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

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

  • 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 7h 30m.

  • 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
IcelandairPriceFrom $385Free CancellationRating
7.0
661 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $440Free CancellationRating
7.2
2,263 reviews
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesPriceFrom $462Free CancellationRating
7.4
1,802 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $531Free CancellationRating
7.4
4,404 reviews
Search Turkish Airlines flights
Aer LingusPriceFrom $539Free CancellationRating
7.3
1,589 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $591Free CancellationRating
7.4
9,770 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $633Free CancellationRating
7.2
408 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $762Free CancellationRating
6.8
8,031 reviews
Search Lufthansa flights

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

    Across 11 United Airlines flights from Washington, D.C. to Brussels Bruxelles-National Airport this week, the average price was $885, with the best United Airlines deals starting from $591 round-trip. 9,768 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 408 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 $1,160. 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
Bruges
Ghent
Leuven
Charleroi
Zaventem
Mons
Hasselt
Durbuy
Genk
Dinant
Namur
Waterloo
Aalst
Mechelen
Knokke-Heist
Spa
Francorchamps
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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