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Cheap flights from Washington, D.C. to Brussels from $257

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 2/6. 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

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
4:50 pm - 9:40 am
IAD
-
BRU
10h 50m1 stop
Scandinavian Airlines Logo
3:10 pm - 5:15 pm
BRU
-
IAD
32h 05m1 stop
$472Scandinavian Airlines
Mon, Jan 19 - Tue, Feb 3
Scandinavian Airlines Logo
8:30 pm - 6:35 pm
IAD
-
BRU
16h 05m1 stop
Scandinavian Airlines Logo
7:20 pm - 5:15 pm
BRU
-
IAD
27h 55m2 stops
$474Scandinavian Airlines
Mon, Feb 16 - Tue, Feb 24
Scandinavian Airlines Logo
8:20 pm - 8:30 pm
IAD
-
BRU
18h 10m2 stops
Scandinavian Airlines Logo
10:20 am - 4:50 pm
BRU
-
IAD
12h 30m1 stop
$475Scandinavian Airlines
Wed, Apr 22 - Wed, May 13
Scandinavian Airlines Logo
8:30 pm - 10:50 am
IAD
-
BRU
32h 20m2 stops
Scandinavian Airlines Logo
3:10 pm - 6:50 pm
BRU
-
IAD
33h 40m1 stop
$476Scandinavian Airlines
Wed, Jan 21 - Fri, Jan 30
TAP AIR PORTUGAL Logo
10:30 pm - 11:50 pm
IAD
-
BRU
19h 20m1 stop
TAP AIR PORTUGAL Logo
5:55 pm - 9:00 pm
BRU
-
IAD
33h 05m1 stop
$478TAP AIR PORTUGAL
Wed, Jan 21 - Tue, Jan 27
TAP AIR PORTUGAL Logo
11:30 pm - 5:05 pm
IAD
-
BRU
12h 35m1 stop
TAP AIR PORTUGAL Logo
6:00 am - 3:35 pm
BRU
-
IAD
14h 35m1 stop
$486TAP AIR PORTUGAL
Sun, Mar 8 - Tue, Mar 24
Icelandair Logo
7:40 pm - 11:55 am
BWI
-
BRU
10h 15m1 stop
Icelandair Logo
1:50 pm - 10:30 pm
BRU
-
BWI
14h 40m1 stop
$587Icelandair
Wed, Jan 14 - Thu, Apr 2
Icelandair Logo
7:40 pm - 11:55 am
BWI
-
BRU
10h 15m1 stop
Icelandair Logo
12:50 pm - 7:40 pm
BRU
-
BWI
11h 50m1 stop
$588Icelandair
Sat, Mar 7 - Thu, Mar 19
Multiple Airlines Logo
1:30 pm - 7:20 pm
IAD
-
CRL
23h 50m2 stops
Multiple Airlines Logo
8:30 pm - 7:20 pm
CRL
-
IAD
28h 50m2 stops
$618Multiple Airlines
Thu, Jan 29 - Mon, Feb 2
Multiple Airlines Logo
10:30 pm - 10:15 pm
IAD
-
CRL
17h 45m2 stops
Multiple Airlines Logo
9:25 pm - 9:00 pm
CRL
-
IAD
29h 35m2 stops
$657Multiple Airlines
Sun, Feb 22 - Tue, Mar 3

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

Our best Scandinavian Airlines deals on Washington, D.C. to Brussels flight tickets
Scandinavian Airlines
Jan 19
IAD4:50 pmWashington, D.C. Dulles Intl
10h 50m
1 stop
BRU9:40 amBrussels Bruxelles-National
Feb 3
BRU3:10 pmBrussels Bruxelles-National
32h 05m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$472
Find similar
Scandinavian Airlines
Feb 16
IAD8:30 pmWashington, D.C. Dulles Intl
16h 05m
1 stop
BRU6:35 pmBrussels Bruxelles-National
Feb 24
BRU7:20 pmBrussels Bruxelles-National
27h 55m
2 stops
IAD5:15 pmWashington, D.C. Dulles Intl
$474
Find similar
Scandinavian Airlines
Apr 22
IAD8:20 pmWashington, D.C. Dulles Intl
18h 10m
2 stops
BRU8:30 pmBrussels Bruxelles-National
May 13
BRU10:20 amBrussels Bruxelles-National
12h 30m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
$475
Find similar

Delta flights from Washington, D.C. to Brussels

Our best Delta deals on Washington, D.C. to Brussels flight tickets
Delta
Mar 9
BWI2:38 pmBaltimore/Washington
12h 22m
1 stop
BRU8:00 amBrussels Bruxelles-National
Mar 19
BRU10:00 amBrussels Bruxelles-National
15h 27m
1 stop
BWI8:27 pmBaltimore/Washington
$727
Find similar
Delta
Mar 7
DCA6:00 pmWashington, D.C. Reagan-National
32h 00m
1 stop
BRU8:00 amBrussels Bruxelles-National
Mar 24
BRU10:00 amBrussels Bruxelles-National
13h 33m
1 stop
DCA6:33 pmWashington, D.C. Reagan-National
$733
Find similar
Delta
Apr 22
BWI12:00 pmBaltimore/Washington
13h 40m
1 stop
BRU7:40 amBrussels Bruxelles-National
May 6
BRU6:20 amBrussels Bruxelles-National
16h 17m
2 stops
BWI4:37 pmBaltimore/Washington
$735
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 31, 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

Mon 1/19

4:50 pm-9:40 am

1 stop10h 50m

Brussels Bruxelles-National

Tue 2/3

3:10 pm-5:15 pm

1 stop32h 05m

$472

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 2/16

8:30 pm-6:35 pm

1 stop16h 05m

Brussels Bruxelles-National

Tue 2/24

7:20 pm-5:15 pm

2 stops27h 55m

$474

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 4/22

8:20 pm-8:30 pm

2 stops18h 10m

Brussels Bruxelles-National

Wed 5/13

10:20 am-4:50 pm

1 stop12h 30m

$475

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 1/21

8:30 pm-10:50 am

2 stops32h 20m

Brussels Bruxelles-National

Fri 1/30

3:10 pm-6:50 pm

1 stop33h 40m

$476

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 1/21

10:30 pm-11:50 pm

1 stop19h 20m

Brussels Bruxelles-National

Tue 1/27

5:55 pm-9:00 pm

1 stop33h 05m

$478

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 3/8

11:30 pm-5:05 pm

1 stop12h 35m

Brussels Bruxelles-National

Tue 3/24

6:00 am-3:35 pm

1 stop14h 35m

$486

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Wed 1/14

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

Thu 4/2

1:50 pm-10:30 pm

1 stop14h 40m

$587

BaltimoreBrussels

BWI - BRU

BWIBRU

Baltimore/Washington

Sat 3/7

7:40 pm-11:55 am

1 stop10h 15m

Brussels Bruxelles-National

Thu 3/19

12:50 pm-7:40 pm

1 stop11h 50m

$588

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Thu 1/29

1:30 pm-7:20 pm

2 stops23h 50m

Charleroi Brussels

Mon 2/2

8:30 pm-7:20 pm

2 stops28h 50m

$618

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Sun 2/22

10:30 pm-10:15 pm

2 stops17h 45m

Charleroi Brussels

Tue 3/3

9:25 pm-9:00 pm

2 stops29h 35m

$657

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 $1,047. 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 $1,248.

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 $808 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
7.1
593 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $423Free CancellationRating
7.4
1,633 reviews
Search Scandinavian Airlines flights
PLAYPriceFrom $432Free CancellationRating
7.0
103 reviews
Search PLAY flights
KLMPriceFrom $480Free CancellationRating
7.7
1,435 reviews
Search KLM flights
TAP AIR PORTUGALPriceFrom $480Free CancellationRating
7.1
2,101 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $511Free CancellationRating
7.9
8,013 reviews
Search Delta flights
Aer LingusPriceFrom $539Free CancellationRating
7.2
1,416 reviews
Search Aer Lingus flights
Turkish AirlinesPriceFrom $540Free CancellationRating
7.3
4,133 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,628 reviews
Search British Airways flights
United AirlinesPriceFrom $591Free CancellationRating
7.4
9,124 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