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Cheap flights from Washington, D.C. Dulles Intl Airport to Belgium from $228

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. Dulles Intl Airport to Belgium departing on 3/10. 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. Dulles Intl Airport to Belgium

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
8:20 pm - 9:40 am
IAD
-
BRU
31h 20m
1 stop
Scandinavian Airlines Logo
5:45 am - 4:50 pm
BRU
-
IAD
17h 05m
1 stop
$467Scandinavian Airlines
Thu, Apr 23 - Thu, May 14
Scandinavian Airlines Logo
8:20 pm - 9:40 am
IAD
-
BRU
31h 20m
1 stop
Scandinavian Airlines Logo
9:20 pm - 4:50 pm
BRU
-
IAD
25h 30m
2 stops
$468Scandinavian Airlines
Sat, Apr 18 - Sun, Apr 26
Scandinavian Airlines Logo
8:20 pm - 7:50 pm
IAD
-
BRU
17h 30m
1 stop
Scandinavian Airlines Logo
6:55 pm - 4:50 pm
BRU
-
IAD
27h 55m
2 stops
$471Scandinavian Airlines
Wed, Apr 8 - Tue, Apr 21
Scandinavian Airlines Logo
8:30 pm - 7:50 pm
IAD
-
BRU
17h 20m
1 stop
Scandinavian Airlines Logo
7:20 pm - 5:15 pm
BRU
-
IAD
27h 55m
2 stops
$472Scandinavian Airlines
Wed, Feb 11 - Wed, Feb 18
Scandinavian Airlines Logo
8:20 pm - 8:30 pm
IAD
-
BRU
18h 10m
2 stops
Scandinavian Airlines Logo
11:20 am - 4:50 pm
BRU
-
IAD
35h 30m
2 stops
$473Scandinavian Airlines
Wed, Apr 8 - Tue, Apr 21
Scandinavian Airlines Logo
8:20 pm - 8:30 pm
IAD
-
BRU
18h 10m
2 stops
Scandinavian Airlines Logo
8:30 pm - 4:50 pm
BRU
-
IAD
26h 20m
1 stop
$475Scandinavian Airlines
Wed, Apr 15 - Sat, May 2
Scandinavian Airlines Logo
8:30 pm - 2:30 pm
IAD
-
BRU
12h 00m
1 stop
Scandinavian Airlines Logo
10:20 am - 5:15 pm
BRU
-
IAD
12h 55m
1 stop
$476Scandinavian Airlines
Thu, Feb 5 - Mon, Feb 9
Scandinavian Airlines Logo
8:20 pm - 8:30 pm
IAD
-
BRU
18h 10m
2 stops
Scandinavian Airlines Logo
9:20 pm - 4:50 pm
BRU
-
IAD
25h 30m
2 stops
$477Scandinavian Airlines
Wed, Apr 8 - Sun, Apr 12
Multiple Airlines Logo
10:30 pm - 10:50 pm
IAD
-
CRL
18h 20m
2 stops
Multiple Airlines Logo
10:25 am - 9:00 pm
CRL
-
IAD
16h 35m
2 stops
$543Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
9:45 am - 8:40 pm
IAD
-
CRL
28h 55m
2 stops
Multiple Airlines Logo
5:40 pm - 3:15 pm
CRL
-
IAD
27h 35m
2 stops
$624Multiple Airlines
Wed, Feb 4 - Fri, Feb 6

Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Belgium

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Belgium flight tickets
Scandinavian Airlines
Apr 17
IAD8:20 pmWashington, D.C. Dulles Intl
31h 20m
1 stop
BRU9:40 amBrussels Bruxelles-National
Apr 27
BRU10:20 amBrussels Bruxelles-National
12h 30m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
$467
Scandinavian Airlines
Apr 18
IAD8:20 pmWashington, D.C. Dulles Intl
31h 20m
1 stop
BRU9:40 amBrussels Bruxelles-National
Apr 26
BRU9:20 pmBrussels Bruxelles-National
25h 30m
2 stops
IAD4:50 pmWashington, D.C. Dulles Intl
$468
Scandinavian Airlines
Apr 18
IAD8:20 pmWashington, D.C. Dulles Intl
31h 20m
1 stop
BRU9:40 amBrussels Bruxelles-National
Apr 26
BRU9:20 pmBrussels Bruxelles-National
25h 30m
2 stops
IAD4:50 pmWashington, D.C. Dulles Intl
$469

Aer Lingus flights from Washington, D.C. Dulles Intl Airport to Belgium

Our best Aer Lingus deals on Washington, D.C. Dulles Intl Airport to Belgium flight tickets
Aer Lingus
Feb 4
IAD5:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National
Feb 6
BRU10:15 amBrussels Bruxelles-National
11h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$486
Aer Lingus
Mar 10
IAD6:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National
Mar 20
BRU10:15 amBrussels Bruxelles-National
15h 15m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
$487
Aer Lingus
Jan 26
IAD5:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National
Jan 29
BRU10:15 amBrussels Bruxelles-National
11h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$491

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Belgium 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 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Belgium 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

Thu 4/23

8:20 pm-9:40 am

1 stop31h 20m

Brussels Bruxelles-National

Thu 5/14

5:45 am-4:50 pm

1 stop17h 05m

$467

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 4/18

8:20 pm-9:40 am

1 stop31h 20m

Brussels Bruxelles-National

Sun 4/26

9:20 pm-4:50 pm

2 stops25h 30m

$468

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 4/8

8:20 pm-7:50 pm

1 stop17h 30m

Brussels Bruxelles-National

Tue 4/21

6:55 pm-4:50 pm

2 stops27h 55m

$471

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 2/11

8:30 pm-7:50 pm

1 stop17h 20m

Brussels Bruxelles-National

Wed 2/18

7:20 pm-5:15 pm

2 stops27h 55m

$472

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 4/8

8:20 pm-8:30 pm

2 stops18h 10m

Brussels Bruxelles-National

Tue 4/21

11:20 am-4:50 pm

2 stops35h 30m

$473

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 4/15

8:20 pm-8:30 pm

2 stops18h 10m

Brussels Bruxelles-National

Sat 5/2

8:30 pm-4:50 pm

1 stop26h 20m

$475

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 2/5

8:30 pm-2:30 pm

1 stop12h 00m

Brussels Bruxelles-National

Mon 2/9

10:20 am-5:15 pm

1 stop12h 55m

$476

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 4/8

8:20 pm-8:30 pm

2 stops18h 10m

Brussels Bruxelles-National

Sun 4/12

9:20 pm-4:50 pm

2 stops25h 30m

$477

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Wed 2/18

10:30 pm-10:50 pm

2 stops18h 20m

Charleroi Brussels

Wed 2/25

10:25 am-9:00 pm

2 stops16h 35m

$543

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Wed 2/4

9:45 am-8:40 pm

2 stops28h 55m

Charleroi Brussels

Fri 2/6

5:40 pm-3:15 pm

2 stops27h 35m

$624

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 Belgium from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Belgium

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 Belgium?

In general, February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Belgium. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $609. If you are unable to visit Belgium during the month of February, then departing from Washington, D.C. Dulles Intl Airport 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 Belgium?

Our data shows that Wednesday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $1,044. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,242. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.

What is the cheapest Washington, D.C. Dulles Intl to Belgium flight route?

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

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

You are more likely to see cheaper flights to Belgium from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around $790 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from Washington, D.C. Dulles Intl Airport for as low as $634 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Belgium flights?

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Belgium 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. Dulles Intl Airport to Belgium flights?

You could potentially save up to 2% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Belgium flight.

Cheap Washington, D.C. Dulles Intl Airport to Belgium flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Belgium

Best Price Found

$682

Fastest flight time

7h 30m

Direct flights

Every day

Airports in Belgium

32 airports
The best one-way flight to Belgium from Washington, D.C. Dulles Intl Airport in the past 72 hours is $682. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Belgium found on momondo in the last 72 hours is $933.
The fastest flight from Washington, D.C. Dulles Intl Airport to Belgium takes 7h 30m
Direct flights go from Washington, D.C. Dulles Intl Airport to Belgium every day.
There are 32 airports in Belgium. From Washington, D.C. Dulles Intl Airport there are direct flights to Brussels Bruxelles-National (BRU).
Search flight deals

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Belgium?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Belgium are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Belgium?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Belgium?

    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. Dulles Intl Airport to Belgium.

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

    The travel and health documents you'll need for your trip to Belgium 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 Belgium. 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. Dulles Intl Airport to Belgium?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Belgium

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Belgium with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $333Free CancellationRating
7.1
2,124 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $345Free CancellationRating
6.7
7,689 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $411Free CancellationRating
7.3
1,660 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $434Free CancellationRating
7.1
602 reviews
Search Icelandair flights
KLMPriceFrom $480Free CancellationRating
7.7
1,442 reviews
Search KLM flights
DeltaPriceFrom $511Free CancellationRating
7.9
8,088 reviews
Search Delta flights
Aer LingusPriceFrom $539Free CancellationRating
7.2
1,441 reviews
Search Aer Lingus flights
Turkish AirlinesPriceFrom $540Free CancellationRating
7.3
4,200 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $591Free CancellationRating
7.4
9,191 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $633Free CancellationRating
7.2
382 reviews
Search Brussels Airlines flights

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Belgium flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belgium that suits you.

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

All flight searches from Washington, D.C. to Belgium 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 Belgium?

Once all potential Washington, D.C. to Belgium 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 Belgium right now. Can momondo alert me if prices change?

Price alerts on flights to Belgium 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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