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Cheap flights from Washington, D.C. to Brussels from $234

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 3/22. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:40 pm - 5:55 pm
BWI
-
BRU
16h 15m
2 stops
Multiple Airlines Logo
9:25 am - 6:40 pm
BRU
-
BWI
15h 15m
2 stops
$466Multiple Airlines
Thu, Feb 26 - Thu, Mar 5
Multiple Airlines Logo
7:40 pm - 5:35 pm
BWI
-
BRU
15h 55m
2 stops
Multiple Airlines Logo
9:10 am - 6:40 pm
BRU
-
BWI
15h 30m
2 stops
$468Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Scandinavian Airlines Logo
8:30 pm - 6:40 pm
IAD
-
BRU
16h 10m
2 stops
Scandinavian Airlines Logo
3:10 pm - 6:50 pm
BRU
-
IAD
33h 40m
1 stop
$479Scandinavian Airlines
Mon, Feb 2 - Fri, Feb 13
Scandinavian Airlines Logo
8:20 pm - 2:35 pm
IAD
-
BRU
12h 15m
1 stop
Scandinavian Airlines Logo
10:20 am - 4:50 pm
BRU
-
IAD
12h 30m
1 stop
$480Scandinavian Airlines
Mon, Apr 13 - Wed, Apr 22
Scandinavian Airlines Logo
8:30 pm - 6:40 pm
IAD
-
BRU
16h 10m
2 stops
Scandinavian Airlines Logo
7:20 pm - 6:15 pm
BRU
-
IAD
27h 55m
2 stops
$481Scandinavian Airlines
Mon, Mar 2 - Tue, Mar 10
Scandinavian Airlines Logo
8:20 pm - 8:30 pm
IAD
-
BRU
18h 10m
2 stops
Scandinavian Airlines Logo
10:20 am - 4:50 pm
BRU
-
IAD
12h 30m
1 stop
$484Scandinavian Airlines
Sun, Apr 19 - Thu, Apr 23
Multiple Airlines Logo
7:40 pm - 10:20 pm
BWI
-
BRU
20h 40m
3 stops
Multiple Airlines Logo
9:25 am - 6:40 pm
BRU
-
BWI
15h 15m
2 stops
$511Multiple Airlines
Thu, Feb 26 - Thu, Mar 5
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
$544Icelandair
Thu, Feb 26 - Thu, Mar 5
Icelandair Logo
8:30 pm - 12:55 pm
BWI
-
BRU
10h 25m
1 stop
Icelandair Logo
1:50 pm - 10:30 pm
BRU
-
BWI
14h 40m
1 stop
$560Icelandair
Thu, Apr 23 - Thu, Apr 30
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
$561Icelandair
Wed, Feb 4 - Sun, Feb 8

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
Feb 2
IAD8:30 pmWashington, D.C. Dulles Intl
16h 10m
2 stops
BRU6:40 pmBrussels Bruxelles-National
Feb 13
BRU3:10 pmBrussels Bruxelles-National
33h 40m
1 stop
IAD6:50 pmWashington, D.C. Dulles Intl
$479
Scandinavian Airlines
Apr 15
IAD8:20 pmWashington, D.C. Dulles Intl
16h 10m
1 stop
BRU6:30 pmBrussels Bruxelles-National
Apr 26
BRU7:10 pmBrussels Bruxelles-National
27h 40m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
$480
Scandinavian Airlines
Mar 2
IAD8:30 pmWashington, D.C. Dulles Intl
16h 10m
2 stops
BRU6:40 pmBrussels Bruxelles-National
Mar 10
BRU7:20 pmBrussels Bruxelles-National
27h 55m
2 stops
IAD6:15 pmWashington, D.C. Dulles Intl
$481

TAP AIR PORTUGAL flights from Washington, D.C. to Brussels Bruxelles-National Airport

Our best TAP AIR PORTUGAL deals on Washington, D.C. to Brussels Bruxelles-National Airport flight tickets
TAP AIR PORTUGAL
Jan 21
IAD10:30 pmWashington, D.C. Dulles Intl
19h 20m
1 stop
BRU11:50 pmBrussels Bruxelles-National
Jan 27
BRU5:55 pmBrussels Bruxelles-National
33h 05m
1 stop
IAD9:00 pmWashington, D.C. Dulles Intl
$479
TAP AIR PORTUGAL
Mar 3
IAD5:30 pmWashington, D.C. Dulles Intl
17h 35m
1 stop
BRU5:05 pmBrussels Bruxelles-National
Mar 12
BRU6:00 amBrussels Bruxelles-National
15h 15m
1 stop
IAD4:15 pmWashington, D.C. Dulles Intl
$493
TAP AIR PORTUGAL
Jan 22
IAD5:30 pmWashington, D.C. Dulles Intl
11h 30m
1 stop
BRU11:00 amBrussels Bruxelles-National
Jan 25
BRU5:55 pmBrussels Bruxelles-National
27h 20m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
$497

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 January 12, 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

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Thu 2/26

7:40 pm-5:55 pm

2 stops16h 15m

Brussels Bruxelles-National

Thu 3/5

9:25 am-6:40 pm

2 stops15h 15m

$466

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 2/25

7:40 pm-5:35 pm

2 stops15h 55m

Brussels Bruxelles-National

Wed 3/4

9:10 am-6:40 pm

2 stops15h 30m

$468

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 2/2

8:30 pm-6:40 pm

2 stops16h 10m

Brussels Bruxelles-National

Fri 2/13

3:10 pm-6:50 pm

1 stop33h 40m

$479

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-2:35 pm

1 stop12h 15m

Brussels Bruxelles-National

Wed 4/22

10:20 am-4:50 pm

1 stop12h 30m

$480

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 3/2

8:30 pm-6:40 pm

2 stops16h 10m

Brussels Bruxelles-National

Tue 3/10

7:20 pm-6:15 pm

2 stops27h 55m

$481

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-8:30 pm

2 stops18h 10m

Brussels Bruxelles-National

Thu 4/23

10:20 am-4:50 pm

1 stop12h 30m

$484

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Thu 2/26

7:40 pm-10:20 pm

3 stops20h 40m

Brussels Bruxelles-National

Thu 3/5

9:25 am-6:40 pm

2 stops15h 15m

$511

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Thu 2/26

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

Thu 3/5

12:50 pm-6:40 pm

1 stop11h 50m

$544

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Thu 4/23

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Thu 4/30

1:50 pm-10:30 pm

1 stop14h 40m

$560

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 2/4

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

Sun 2/8

12:50 pm-6:40 pm

1 stop11h 50m

$561

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 $621.

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 $1,049. 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 $1,248.

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 $788 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 $634 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 January 2026, prices for Washington, D.C. to Brussels Bruxelles-National Airport flights are approximately 76% 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

$753

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 $753. The best round-trip flight deal from Washington, D.C. to Brussels Bruxelles-National Airport found on momondo in the last 72 hours is $968.
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
IcelandairPriceFrom $408Free CancellationRating
7.1
595 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $423Free CancellationRating
7.3
1,646 reviews
Search Scandinavian Airlines flights
PLAYPriceFrom $432Free CancellationRating
7.0
103 reviews
Search PLAY flights
KLMPriceFrom $480Free CancellationRating
7.7
1,437 reviews
Search KLM flights
TAP AIR PORTUGALPriceFrom $480Free CancellationRating
7.1
2,116 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $511Free CancellationRating
7.9
8,039 reviews
Search Delta flights
Aer LingusPriceFrom $539Free CancellationRating
7.2
1,435 reviews
Search Aer Lingus flights
Turkish AirlinesPriceFrom $540Free CancellationRating
7.3
4,160 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,665 reviews
Search British Airways flights
United AirlinesPriceFrom $591Free CancellationRating
7.4
9,149 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 $919, with the best United Airlines deals starting from $591 round-trip. 9,144 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 380 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 $1,112. 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
Hasselt
Spa
Zaventem
Namur
Dinant
Genk
Mons
Waterloo
Durbuy
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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