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Cheap flights from Washington, D.C. to Brussels from $258

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 3/2. 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
8:30 pm - 10:50 am
IAD
-
BRU
32h 20m2 stops
Scandinavian Airlines Logo
11:30 am - 5:15 pm
BRU
-
IAD
35h 45m2 stops
$473Scandinavian Airlines
Sat, Feb 7 - Wed, Feb 11
Scandinavian Airlines Logo
8:30 pm - 10:50 am
IAD
-
BRU
32h 20m2 stops
Scandinavian Airlines Logo
10:20 am - 6:50 pm
BRU
-
IAD
14h 30m1 stop
$475Scandinavian Airlines
Mon, Feb 23 - Sat, Feb 28
Scandinavian Airlines Logo
4:50 pm - 7:50 pm
IAD
-
BRU
21h 00m1 stop
Scandinavian Airlines Logo
8:30 pm - 3:20 pm
BRU
-
IAD
24h 50m1 stop
$477Scandinavian Airlines
Mon, Jan 19 - Sun, Jan 25
Scandinavian Airlines Logo
4:50 pm - 2:30 pm
IAD
-
BRU
15h 40m1 stop
Scandinavian Airlines Logo
7:45 pm - 3:20 pm
BRU
-
IAD
25h 35m2 stops
$479Scandinavian Airlines
Mon, Jan 19 - Sun, Jan 25
Scandinavian Airlines Logo
4:50 pm - 6:40 pm
IAD
-
BRU
19h 50m2 stops
Scandinavian Airlines Logo
7:45 pm - 3:20 pm
BRU
-
IAD
25h 35m2 stops
$481Scandinavian Airlines
Mon, Jan 19 - Sun, Jan 25
Scandinavian Airlines Logo
8:30 pm - 10:50 am
IAD
-
BRU
32h 20m2 stops
Scandinavian Airlines Logo
10:20 am - 5:15 pm
BRU
-
IAD
12h 55m1 stop
$482Scandinavian Airlines
Wed, Feb 4 - Wed, Feb 11
Icelandair Logo
7:40 pm - 11:55 am
BWI
-
BRU
10h 15m1 stop
Icelandair Logo
12:50 pm - 6:40 pm
BRU
-
BWI
11h 50m1 stop
$558Icelandair
Sat, Feb 7 - Thu, Feb 12
Icelandair Logo
7:40 pm - 11:55 am
BWI
-
BRU
10h 15m1 stop
Icelandair Logo
12:50 pm - 6:40 pm
BRU
-
BWI
11h 50m1 stop
$560Icelandair
Thu, Feb 5 - Thu, Feb 12
Icelandair Logo
7:40 pm - 11:55 am
BWI
-
BRU
10h 15m1 stop
Icelandair Logo
12:50 pm - 6:40 pm
BRU
-
BWI
11h 50m1 stop
$565Icelandair
Thu, Jan 22 - Sun, Jan 25
Multiple Airlines Logo
11:30 am - 5:15 pm
BWI
-
BRU
23h 45m2 stops
Multiple Airlines Logo
9:35 am - 11:47 pm
BRU
-
BWI
20h 12m2 stops
$633Multiple Airlines
Tue, Jan 20 - Tue, Jan 27

United Airlines flights from Washington, D.C. to Brussels

Our best United Airlines deals on Washington, D.C. to Brussels flight tickets
United Airlines
Feb 15
DCA9:05 amWashington, D.C. Reagan-National
17h 00m
1 stop
BRU8:05 amBrussels Bruxelles-National
Feb 24
BRU10:00 amBrussels Bruxelles-National
11h 33m
1 stop
DCA3:33 pmWashington, D.C. Reagan-National
$715
Find similar
United Airlines
Feb 19
DCA4:15 pmWashington, D.C. Reagan-National
15h 00m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Mar 5
BRU10:00 amBrussels Bruxelles-National
30h 23m
1 stop
DCA10:23 amWashington, D.C. Reagan-National
$765
Find similar
United Airlines
Jan 4
DCA3:26 pmWashington, D.C. Reagan-National
10h 39m
1 stop
BRU8:05 amBrussels Bruxelles-National
Jan 10
BRU2:25 pmBrussels Bruxelles-National
31h 06m
2 stops
DCA3:31 pmWashington, D.C. Reagan-National
$1,453
Find similar

American Airlines flights from Washington, D.C. to Brussels

Our best American Airlines deals on Washington, D.C. to Brussels flight tickets
American Airlines
Feb 15
BWI8:35 pmBaltimore/Washington
11h 15m
1 stop
BRU1:50 pmBrussels Bruxelles-National
Feb 24
BRU5:30 pmBrussels Bruxelles-National
31h 15m
1 stop
BWI6:45 pmBaltimore/Washington
$727
Find similar
American Airlines
Feb 15
BWI8:35 pmBaltimore/Washington
14h 05m
1 stop
BRU4:40 pmBrussels Bruxelles-National
Feb 24
BRU5:30 pmBrussels Bruxelles-National
31h 15m
1 stop
BWI6:45 pmBaltimore/Washington
$761
Find similar
American Airlines
Jan 1
DCA2:35 pmWashington, D.C. Reagan-National
14h 15m
2 stops
BRU10:50 amBrussels Bruxelles-National
Jan 16
BRU7:00 amBrussels Bruxelles-National
16h 08m
2 stops
DCA5:08 pmWashington, D.C. Reagan-National
$1,691
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Brussels 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 December 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Brussels 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

Sat 2/7

8:30 pm-10:50 am

2 stops32h 20m

Brussels Bruxelles-National

Wed 2/11

11:30 am-5:15 pm

2 stops35h 45m

$473

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 2/23

8:30 pm-10:50 am

2 stops32h 20m

Brussels Bruxelles-National

Sat 2/28

10:20 am-6:50 pm

1 stop14h 30m

$475

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 1/19

4:50 pm-7:50 pm

1 stop21h 00m

Brussels Bruxelles-National

Sun 1/25

8:30 pm-3:20 pm

1 stop24h 50m

$477

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 1/19

4:50 pm-2:30 pm

1 stop15h 40m

Brussels Bruxelles-National

Sun 1/25

7:45 pm-3:20 pm

2 stops25h 35m

$479

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 1/19

4:50 pm-6:40 pm

2 stops19h 50m

Brussels Bruxelles-National

Sun 1/25

7:45 pm-3:20 pm

2 stops25h 35m

$481

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 2/4

8:30 pm-10:50 am

2 stops32h 20m

Brussels Bruxelles-National

Wed 2/11

10:20 am-5:15 pm

1 stop12h 55m

$482

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Sat 2/7

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

Thu 2/12

12:50 pm-6:40 pm

1 stop11h 50m

$558

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Thu 2/5

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

Thu 2/12

12:50 pm-6:40 pm

1 stop11h 50m

$560

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Thu 1/22

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

Sun 1/25

12:50 pm-6:40 pm

1 stop11h 50m

$565

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Tue 1/20

11:30 am-5:15 pm

2 stops23h 45m

Brussels Bruxelles-National

Tue 1/27

9:35 am-11:47 pm

2 stops20h 12m

$633

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

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?

What is the cheapest month to fly to Brussels?

In general, October is the cheapest month to fly from Washington, D.C. to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $602. If you are unable to visit Brussels during the month of October, then departing from Washington, D.C. during the month September is also very affordable. Most momondo users find prices during this month for around $621.

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from Washington, D.C. is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,048. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,254.

What is the cheapest time of day to depart on your flight to Brussels?

According to our data, the cheapest time of day to fly to Brussels is at noon. momondo users have found flights departing from Washington, D.C. to Brussels at noon for as low as $668. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,145.

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

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

How far in advance should I book a flight to Brussels?

You are more likely to see cheaper flights to Brussels from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around $813 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Washington, D.C. for as low as $672 on momondo.

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

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

Cheap Washington, D.C. to Brussels flight deals and tips

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

Fastest flight time

7h 30m

Direct flights

Every day

Airports in Brussels

2 airports
The fastest flight from Washington, D.C. to Brussels takes 7h 30m
Direct flights go from Washington, D.C. to Brussels every day.
There are 2 airports in Brussels. From Washington, D.C. there are direct flights to Brussels Bruxelles-National (BRU).
Search flight deals

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

    The distance between Washington, D.C. and Brussels is about 3859.6 mi. In terms of flight time, this usually takes a little over 7h 30m.

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

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

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

  • How old do you have to be to fly from Washington, D.C. to Brussels?

    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.

  • What documentation or ID do you need to fly to Brussels?

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

Best airlines flying from Washington, D.C. to Brussels

Compare and see reviews for airlines that fly from Washington, D.C. to Brussels with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $408Free CancellationRating
7.0
592 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $411Free CancellationRating
7.4
1,620 reviews
Search Scandinavian Airlines flights
PLAYPriceFrom $432Free CancellationRating
7.0
103 reviews
Search PLAY flights
KLMPriceFrom $480Free CancellationRating
7.7
1,434 reviews
Search KLM flights
TAP AIR PORTUGALPriceFrom $480Free CancellationRating
7.2
2,095 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $511Free CancellationRating
7.9
8,014 reviews
Search Delta flights
Aer LingusPriceFrom $539Free CancellationRating
7.2
1,412 reviews
Search Aer Lingus flights
Turkish AirlinesPriceFrom $540Free CancellationRating
7.3
4,112 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,606 reviews
Search British Airways flights
United AirlinesPriceFrom $592Free CancellationRating
7.4
9,106 reviews
Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Brussels. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Brussels from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Brussels.

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

Price alerts on flights to Brussels from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport