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Cheap flights from Washington, D.C. to Brussels from $255

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 5/19. 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.
Scandinavian Airlines Logo
8:20 pm - 10:40 am
IAD
-
BRU
32h 20m
2 stops
Scandinavian Airlines Logo
10:20 am - 5:00 pm
BRU
-
IAD
12h 40m
1 stop
$495Scandinavian Airlines
Mon, Aug 17 - Fri, Aug 21
Scandinavian Airlines Logo
8:20 pm - 6:15 pm
IAD
-
BRU
15h 55m
2 stops
Scandinavian Airlines Logo
5:45 am - 5:00 pm
BRU
-
IAD
17h 15m
1 stop
$499Scandinavian Airlines
Wed, Apr 22 - Wed, May 13
Scandinavian Airlines Logo
8:20 pm - 2:35 pm
IAD
-
BRU
12h 15m
1 stop
Scandinavian Airlines Logo
10:20 am - 5:00 pm
BRU
-
IAD
12h 40m
1 stop
$501Scandinavian Airlines
Sat, Apr 4 - Thu, Apr 9
Scandinavian Airlines Logo
8:20 pm - 2:35 pm
IAD
-
BRU
12h 15m
1 stop
Scandinavian Airlines Logo
10:20 am - 5:00 pm
BRU
-
IAD
12h 40m
1 stop
$503Scandinavian Airlines
Mon, Apr 27 - Sun, May 10
Scandinavian Airlines Logo
8:20 pm - 11:00 pm
IAD
-
BRU
20h 40m
1 stop
Scandinavian Airlines Logo
5:45 am - 5:00 pm
BRU
-
IAD
17h 15m
1 stop
$504Scandinavian Airlines
Sun, Apr 19 - Thu, Apr 23
Scandinavian Airlines Logo
8:20 pm - 2:35 pm
IAD
-
BRU
12h 15m
1 stop
Scandinavian Airlines Logo
3:15 pm - 5:00 pm
BRU
-
IAD
31h 45m
1 stop
$505Scandinavian Airlines
Thu, Apr 23 - Thu, May 14
Icelandair Logo
8:30 pm - 12:55 pm
BWI
-
BRU
10h 25m
1 stop
Icelandair Logo
1:50 pm - 7:25 pm
BRU
-
BWI
11h 35m
1 stop
$554Icelandair
Thu, Apr 9 - Fri, Apr 17
Icelandair Logo
8:30 pm - 12:55 pm
BWI
-
BRU
10h 25m
1 stop
Icelandair Logo
1:50 pm - 7:25 pm
BRU
-
BWI
11h 35m
1 stop
$555Icelandair
Sun, Apr 12 - Fri, Apr 17
Icelandair Logo
8:30 pm - 12:55 pm
BWI
-
BRU
10h 25m
1 stop
Icelandair Logo
1:50 pm - 7:25 pm
BRU
-
BWI
11h 35m
1 stop
$561Icelandair
Sat, Apr 11 - Sat, Apr 18
Multiple Airlines Logo
9:59 pm - 7:10 am
BWI
-
BRU
27h 11m
2 stops
Multiple Airlines Logo
9:55 am - 8:07 am
BRU
-
BWI
28h 12m
3 stops
$578Multiple Airlines
Sun, Apr 19 - Tue, Apr 28

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

Our best United Airlines deals on Washington, D.C. to Brussels Bruxelles-National Airport flight tickets
United Airlines
Apr 19
DCA4:10 pmWashington, D.C. Reagan-National
15h 05m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Apr 28
BRU9:25 amBrussels Bruxelles-National
12h 05m
1 stop
DCA3:30 pmWashington, D.C. Reagan-National
$726
United Airlines
Apr 29
DCA12:55 pmWashington, D.C. Reagan-National
18h 20m
2 stops
BRU1:15 pmBrussels Bruxelles-National
May 15
BRU9:55 amBrussels Bruxelles-National
11h 44m
1 stop
DCA3:39 pmWashington, D.C. Reagan-National
$733
United Airlines
Apr 19
DCA4:10 pmWashington, D.C. Reagan-National
15h 05m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Apr 28
BRU9:55 amBrussels Bruxelles-National
11h 35m
1 stop
DCA3:30 pmWashington, D.C. Reagan-National
$736

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

Our best Scandinavian Airlines deals on Washington, D.C. to Brussels Bruxelles-National Airport flight tickets
Scandinavian Airlines
Apr 22
IAD8:20 pmWashington, D.C. Dulles Intl
15h 55m
2 stops
BRU6:15 pmBrussels Bruxelles-National
May 13
BRU5:45 amBrussels Bruxelles-National
17h 15m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$499
Scandinavian Airlines
Apr 4
IAD8:20 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
BRU2:35 pmBrussels Bruxelles-National
Apr 9
BRU10:20 amBrussels Bruxelles-National
12h 40m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$501
Scandinavian Airlines
Apr 27
IAD8:20 pmWashington, D.C. Dulles Intl
17h 30m
1 stop
BRU7:50 pmBrussels Bruxelles-National
May 9
BRU8:30 pmBrussels Bruxelles-National
26h 30m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$503

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 February 28, 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

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 8/17

8:20 pm-10:40 am

2 stops32h 20m

Brussels Bruxelles-National

Fri 8/21

10:20 am-5:00 pm

1 stop12h 40m

$495

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 4/22

8:20 pm-6:15 pm

2 stops15h 55m

Brussels Bruxelles-National

Wed 5/13

5:45 am-5:00 pm

1 stop17h 15m

$499

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 4/4

8:20 pm-2:35 pm

1 stop12h 15m

Brussels Bruxelles-National

Thu 4/9

10:20 am-5:00 pm

1 stop12h 40m

$501

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 4/27

8:20 pm-2:35 pm

1 stop12h 15m

Brussels Bruxelles-National

Sun 5/10

10:20 am-5:00 pm

1 stop12h 40m

$503

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-11:00 pm

1 stop20h 40m

Brussels Bruxelles-National

Thu 4/23

5:45 am-5:00 pm

1 stop17h 15m

$504

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 4/23

8:20 pm-2:35 pm

1 stop12h 15m

Brussels Bruxelles-National

Thu 5/14

3:15 pm-5:00 pm

1 stop31h 45m

$505

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Thu 4/9

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Fri 4/17

1:50 pm-7:25 pm

1 stop11h 35m

$554

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Sun 4/12

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Fri 4/17

1:50 pm-7:25 pm

1 stop11h 35m

$555

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Sat 4/11

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Sat 4/18

1:50 pm-7:25 pm

1 stop11h 35m

$561

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Sun 4/19

9:59 pm-7:10 am

2 stops27h 11m

Brussels Bruxelles-National

Tue 4/28

9:55 am-8:07 am

3 stops28h 12m

$578

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 $604, 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 September instead. Flights to Brussels Bruxelles-National Airport in September, while not as cheap as those in October, still average around $620.

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 $1,021. When flying out on a Monday, 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 $1,230.

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 $795 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 $635 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.

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

You could potentially save up to 24% on your flight if you consider stops on a Washington, D.C. to Brussels Bruxelles-National Airport flight.

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

As of February 2026, prices for Washington, D.C. to Brussels Bruxelles-National Airport flights are approximately 0% 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

$386

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 $386. The best round-trip flight deal from Washington, D.C. to Brussels Bruxelles-National Airport found on momondo in the last 72 hours is $760.
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 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
TAP AIR PORTUGALPriceFrom $333Free CancellationRating
7.1
2,153 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $345Free CancellationRating
6.7
7,772 reviews
Search British Airways flights
IcelandairPriceFrom $393Free CancellationRating
7.1
617 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $423Free CancellationRating
7.3
1,700 reviews
Search Scandinavian Airlines flights
PLAYPriceFrom $432Free CancellationRating
7.0
103 reviews
Search PLAY flights
DeltaPriceFrom $511Free CancellationRating
7.9
8,245 reviews
Search Delta flights
Aer LingusPriceFrom $539Free CancellationRating
7.2
1,464 reviews
Search Aer Lingus flights
Turkish AirlinesPriceFrom $540Free CancellationRating
7.3
4,238 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $592Free CancellationRating
7.4
9,363 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $633Free CancellationRating
7.2
387 reviews
Search Brussels Airlines flights

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

    Across 2 United Airlines flights from Washington, D.C. to Brussels Bruxelles-National Airport this week, the average price was $934, with the best United Airlines deals starting from $592 round-trip. 9,363 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 387 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 2 times each week, with ticket deals ranging from $633 to $1,066. 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
Zaventem
Hasselt
Namur
Dinant
Genk
Waterloo
Mons
Durbuy
Spa
Aalst
Knokke-Heist
Mechelen
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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