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Cheap flights from Washington, D.C. to Brussels from $256

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 10/20. 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
$438Icelandair
Find Deal
mié., ene. 21 - jue., ene. 29
Icelandair Logo
7:40 pm - 11:55 amBWI-BRU
10h 15m1 stop
Icelandair Logo
12:50 pm - 6:40 pmBRU-BWI
11h 50m1 stop
$461Icelandair
Find Deal
mié., dic. 3 - dom., dic. 7
Scandinavian Airlines Logo
12:11 pm - 2:30 pmIAD-BRU
20h 19m2 stops
Scandinavian Airlines Logo
11:20 am - 4:50 pmBRU-IAD
35h 30m2 stops
$483Scandinavian Airlines
Find Deal
mar., nov. 11 - mar., mar. 31
Scandinavian Airlines Logo
4:50 pm - 9:40 amIAD-BRU
10h 50m1 stop
Scandinavian Airlines Logo
8:30 pm - 5:15 pmBRU-IAD
26h 45m1 stop
$484Scandinavian Airlines
Find Deal
lun., ene. 26 - dom., feb. 8
Multiple Airlines Logo
5:30 pm - 9:15 pmIAD-BRU
21h 45m2 stops
Multiple Airlines Logo
8:45 am - 2:35 pmBRU-IAD
35h 50m2 stops
$549Multiple Airlines
Find Deal
mar., nov. 11 - lun., nov. 24
Multiple Airlines Logo
11:00 am - 9:40 amDCA-BRU
16h 40m2 stops
Multiple Airlines Logo
9:50 am - 11:08 pmBRU-DCA
19h 18m2 stops
$550Multiple Airlines
Find Deal
lun., ene. 19 - lun., ene. 26
British Airways Logo
8:35 pm - 7:55 pmBWI-BRU
17h 20m1 stop
British Airways Logo
12:00 pm - 6:45 pmBRU-BWI
12h 45m1 stop
$715British Airways
Find Deal
dom., ene. 25 - mar., feb. 10
United Airlines Logo
4:15 pm - 8:05 amDCA-BRU
9h 50m1 stop
United Airlines Logo
10:00 am - 3:31 pmBRU-DCA
11h 31m1 stop
$717United Airlines
Find Deal
mar., ene. 27 - jue., feb. 12
British Airways Logo
8:35 pm - 1:50 pmBWI-BRU
11h 15m1 stop
British Airways Logo
11:50 am - 6:45 pmBRU-BWI
12h 55m1 stop
$720British Airways
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dom., dic. 28 - mié., ene. 14
United Airlines Logo
3:30 pm - 8:55 amDCA-BRU
11h 25m1 stop
United Airlines Logo
11:15 am - 4:34 pmBRU-DCA
11h 19m1 stop
$726United Airlines
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mar., ene. 27 - mié., feb. 4

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
Nov 30
DCA11:05 amWashington, D.C. Reagan-National
14h 45m
1 stop
BRU7:50 amBrussels Bruxelles-National
Dec 9
BRU10:00 amBrussels Bruxelles-National
11h 31m
1 stop
DCA3:31 pmWashington, D.C. Reagan-National
$676
Find similar
Air Canada
Nov 30
DCA9:40 amWashington, D.C. Reagan-National
16h 10m
2 stops
BRU7:50 amBrussels Bruxelles-National
Dec 9
BRU10:00 amBrussels Bruxelles-National
11h 31m
1 stop
DCA3:31 pmWashington, D.C. Reagan-National
$681
Find similar
Air Canada
Nov 30
DCA9:40 amWashington, D.C. Reagan-National
16h 10m
2 stops
BRU7:50 amBrussels Bruxelles-National
Dec 9
BRU10:00 amBrussels Bruxelles-National
11h 31m
1 stop
DCA3:31 pmWashington, D.C. Reagan-National
$690
Find similar

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
Jan 27
DCA4:15 pmWashington, D.C. Reagan-National
9h 50m
1 stop
BRU8:05 amBrussels Bruxelles-National
Feb 12
BRU10:00 amBrussels Bruxelles-National
11h 31m
1 stop
DCA3:31 pmWashington, D.C. Reagan-National
$717
Find similar
United Airlines
Jan 27
DCA3:30 pmWashington, D.C. Reagan-National
11h 25m
1 stop
BRU8:55 amBrussels Bruxelles-National
Feb 4
BRU11:15 amBrussels Bruxelles-National
11h 19m
1 stop
DCA4:34 pmWashington, D.C. Reagan-National
$726
Find similar
United Airlines
Jan 26
BWI10:05 amBaltimore/Washington
15h 45m
2 stops
BRU7:50 amBrussels Bruxelles-National
Feb 10
BRU10:00 amBrussels Bruxelles-National
17h 41m
2 stops
BWI9:41 pmBaltimore/Washington
$727
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 octubre 9, 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

mié. 1/21

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

jue. 1/29

12:50 pm-6:40 pm

1 stop11h 50m

$438

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

mié. 12/3

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

dom. 12/7

12:50 pm-6:40 pm

1 stop11h 50m

$461

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

mar. 11/11

12:11 pm-2:30 pm

2 stops20h 19m

Brussels Bruxelles-National

mar. 3/31

11:20 am-4:50 pm

2 stops35h 30m

$483

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

lun. 1/26

4:50 pm-9:40 am

1 stop10h 50m

Brussels Bruxelles-National

dom. 2/8

8:30 pm-5:15 pm

1 stop26h 45m

$484

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

mar. 11/11

5:30 pm-9:15 pm

2 stops21h 45m

Brussels Bruxelles-National

lun. 11/24

8:45 am-2:35 pm

2 stops35h 50m

$549

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

lun. 1/19

11:00 am-9:40 am

2 stops16h 40m

Brussels Bruxelles-National

lun. 1/26

9:50 am-11:08 pm

2 stops19h 18m

$550

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

dom. 1/25

8:35 pm-7:55 pm

1 stop17h 20m

Brussels Bruxelles-National

mar. 2/10

12:00 pm-6:45 pm

1 stop12h 45m

$715

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

mar. 1/27

4:15 pm-8:05 am

1 stop9h 50m

Brussels Bruxelles-National

jue. 2/12

10:00 am-3:31 pm

1 stop11h 31m

$717

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

dom. 12/28

8:35 pm-1:50 pm

1 stop11h 15m

Brussels Bruxelles-National

mié. 1/14

11:50 am-6:45 pm

1 stop12h 55m

$720

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

mar. 1/27

3:30 pm-8:55 am

1 stop11h 25m

Brussels Bruxelles-National

mié. 2/4

11:15 am-4:34 pm

1 stop11h 19m

$726

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 January. Flight prices, which tend to average around $600, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, 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 January, still average around $614.

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 $1,053. 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 $1,282.

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 $1,155 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 $823 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 $659 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 38% 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 October 2025, prices for Washington, D.C. to Brussels Bruxelles-National Airport flights are approximately 13% 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

$613

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 $613. The best round-trip flight deal from Washington, D.C. to Brussels Bruxelles-National Airport found on momondo in the last 72 hours is $969.
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 40m.

  • 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 $410Free CancellationRating
7.4
1,530 reviews
Search Scandinavian Airlines flights
PLAYPriceFrom $432Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom $441Free CancellationRating
7.0
551 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $480Free CancellationRating
7.1
2,005 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $539Free CancellationRating
7.2
1,324 reviews
Search Aer Lingus flights
Turkish AirlinesPriceFrom $540Free CancellationRating
7.3
3,996 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,446 reviews
Search British Airways flights
United AirlinesPriceFrom $602Free CancellationRating
7.4
8,965 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $633Free CancellationRating
7.2
364 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $686Free CancellationRating
6.8
7,465 reviews
Search Lufthansa flights

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

    Across 6 United Airlines flights from Washington, D.C. to Brussels Bruxelles-National Airport this week, the average price was $998, with the best United Airlines deals starting from $602 round-trip. 8,965 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 364 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 6 times each week, with ticket deals ranging from $633 to $1,049. 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
Namur
Dinant
Zaventem
Mons
Genk
Waterloo
Mechelen
Francorchamps
Knokke-Heist
Aalst
Tournai
Durbuy
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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