Cheap flights from Washington, D.C. Dulles Intl Airport to Belgium from $252

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 9/14. 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

Scandinavian Airlines Logo
8:30 pm - 6:40 pmIAD-BRU
16h 10m2 stops
Scandinavian Airlines Logo
10:20 am - 5:15 pmBRU-IAD
12h 55m1 stop
$445Scandinavian Airlines
Find Deal
Wed, Jan 21 - Thu, Jan 29
Scandinavian Airlines Logo
8:30 pm - 2:30 pmIAD-BRU
12h 00m1 stop
Scandinavian Airlines Logo
7:20 pm - 5:15 pmBRU-IAD
27h 55m2 stops
$446Scandinavian Airlines
Find Deal
Wed, Jan 21 - Tue, Jan 27
Scandinavian Airlines Logo
10:05 pm - 8:35 pmIAD-BRU
16h 30m2 stops
Scandinavian Airlines Logo
12:40 pm - 7:59 pmBRU-IAD
37h 19m2 stops
$448Scandinavian Airlines
Find Deal
Sun, Oct 5 - Tue, Oct 21
Scandinavian Airlines Logo
10:05 pm - 6:20 pmIAD-BRU
14h 15m2 stops
Scandinavian Airlines Logo
7:00 pm - 7:59 pmBRU-IAD
30h 59m2 stops
$449Scandinavian Airlines
Find Deal
Tue, Oct 7 - Wed, Oct 15
Scandinavian Airlines Logo
10:05 pm - 3:20 pmIAD-BRU
11h 15m1 stop
Scandinavian Airlines Logo
12:40 pm - 7:59 pmBRU-IAD
37h 19m2 stops
$451Scandinavian Airlines
Find Deal
Sun, Oct 5 - Tue, Oct 21
Scandinavian Airlines Logo
10:05 pm - 12:00 pmIAD-BRU
31h 55m2 stops
Scandinavian Airlines Logo
11:55 am - 7:59 pmBRU-IAD
38h 04m2 stops
$452Scandinavian Airlines
Find Deal
Sun, Sep 21 - Sun, Sep 28
Scandinavian Airlines Logo
10:05 pm - 7:50 pmIAD-BRU
15h 45m1 stop
Scandinavian Airlines Logo
11:30 am - 6:15 pmBRU-IAD
35h 45m2 stops
$453Scandinavian Airlines
Find Deal
Wed, Oct 22 - Tue, Oct 28
Scandinavian Airlines Logo
10:05 pm - 3:20 pmIAD-BRU
11h 15m1 stop
Scandinavian Airlines Logo
4:00 pm - 7:59 pmBRU-IAD
33h 59m1 stop
$454Scandinavian Airlines
Find Deal
Sun, Oct 5 - Tue, Oct 21
 Logo
10:20 pm - 10:55 pmIAD-CRL
18h 35m2 stops
 Logo
5:05 pm - 1:30 pmCRL-IAD
26h 25m2 stops
Tue, Sep 16 - Sat, Sep 20
 Logo
9:45 am - 2:45 pmIAD-CRL
23h 00m3 stops
 Logo
5:35 pm - 1:30 pmCRL-IAD
25h 55m2 stops
Wed, Aug 20 - Wed, Aug 27

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
Jan 21
IAD8:30 pmWashington, D.C. Dulles Intl
16h 10m
2 stops
BRU6:40 pmBrussels Bruxelles-National
Jan 29
BRU10:20 amBrussels Bruxelles-National
12h 55m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Jan 21
IAD8:30 pmWashington, D.C. Dulles Intl
12h 00m
1 stop
BRU2:30 pmBrussels Bruxelles-National
Jan 27
BRU7:20 pmBrussels Bruxelles-National
27h 55m
2 stops
IAD5:15 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Oct 5
IAD10:05 pmWashington, D.C. Dulles Intl
16h 30m
2 stops
BRU8:35 pmBrussels Bruxelles-National
Oct 21
BRU12:40 pmBrussels Bruxelles-National
37h 19m
2 stops
IAD7:59 pmWashington, D.C. Dulles Intl

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

Our best Icelandair deals on Washington, D.C. Dulles Intl Airport to Belgium flight tickets
Icelandair
Aug 12
IAD8:30 pmWashington, D.C. Dulles Intl
10h 20m
1 stop
BRU12:50 pmBrussels Bruxelles-National
Aug 19
BRU1:50 pmBrussels Bruxelles-National
14h 20m
1 stop
IAD10:10 pmWashington, D.C. Dulles Intl
Icelandair
Aug 14
IAD11:15 pmWashington, D.C. Dulles Intl
31h 35m
1 stop
BRU12:50 pmBrussels Bruxelles-National
Aug 26
BRU1:50 pmBrussels Bruxelles-National
14h 20m
1 stop
IAD10:10 pmWashington, D.C. Dulles Intl
Icelandair
Aug 12
IAD8:30 pmWashington, D.C. Dulles Intl
10h 20m
1 stop
BRU12:50 pmBrussels Bruxelles-National
Aug 20
BRU1:50 pmBrussels Bruxelles-National
11h 30m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl

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 July 31, 2025.
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

Wed 1/21

8:30 pm-6:40 pm

2 stops16h 10m

Brussels Bruxelles-National

Thu 1/29

10:20 am-5:15 pm

1 stop12h 55m

$445

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 1/21

8:30 pm-2:30 pm

1 stop12h 00m

Brussels Bruxelles-National

Tue 1/27

7:20 pm-5:15 pm

2 stops27h 55m

$446

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 10/5

10:05 pm-8:35 pm

2 stops16h 30m

Brussels Bruxelles-National

Tue 10/21

12:40 pm-7:59 pm

2 stops37h 19m

$448

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 10/7

10:05 pm-6:20 pm

2 stops14h 15m

Brussels Bruxelles-National

Wed 10/15

7:00 pm-7:59 pm

2 stops30h 59m

$449

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 10/5

10:05 pm-3:20 pm

1 stop11h 15m

Brussels Bruxelles-National

Tue 10/21

12:40 pm-7:59 pm

2 stops37h 19m

$451

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 9/21

10:05 pm-12:00 pm

2 stops31h 55m

Brussels Bruxelles-National

Sun 9/28

11:55 am-7:59 pm

2 stops38h 04m

$452

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 10/22

10:05 pm-7:50 pm

1 stop15h 45m

Brussels Bruxelles-National

Tue 10/28

11:30 am-6:15 pm

2 stops35h 45m

$453

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 10/5

10:05 pm-3:20 pm

1 stop11h 15m

Brussels Bruxelles-National

Tue 10/21

4:00 pm-7:59 pm

1 stop33h 59m

$454

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Tue 9/16

10:20 pm-10:55 pm

2 stops18h 35m

Charleroi Brussels

Sat 9/20

5:05 pm-1:30 pm

2 stops26h 25m

$572

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Wed 8/20

9:45 am-2:45 pm

3 stops23h 00m

Charleroi Brussels

Wed 8/27

5:35 pm-1:30 pm

2 stops25h 55m

$613

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, September 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 $682. If you are unable to visit Belgium during the month of September, then departing from Washington, D.C. Dulles Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $686.

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 $1,043. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,243. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.

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

Our most recent data shows that the best time of day to fly to Belgium is in the evening. Flights from Washington, D.C. Dulles Intl Airport to Belgium during this time can be as low as $714. Flights to Belgium are more costly in the morning, with an average ticket price of $1,396. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $842 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 $666 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

$252

Fastest flight time

7h 30m

Direct flights

Every day

Airports in Belgium

3 airports
The best one-way flight to Belgium from Washington, D.C. Dulles Intl Airport in the past 72 hours is $252. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Belgium found on momondo in the last 72 hours is $445.
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 3 airports near Belgium: Brussels Bruxelles-National (BRU), Antwerp Deurne (ANR), Charleroi Brussels (CRL)

  • 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
PLAYPriceFrom $369Free CancellationRating
7.0
102 reviews
Search PLAY flights
Scandinavian AirlinesPriceFrom $402Free CancellationRating
7.3
1,457 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $449Free CancellationRating
7.0
520 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $492Free CancellationRating
7.1
1,933 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom $496Free CancellationRating
7.8
1,383 reviews
Search KLM flights
British AirwaysPriceFrom $516Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $552Free CancellationRating
7.3
3,933 reviews
Search Turkish Airlines flights
Aer LingusPriceFrom $564Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $593Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $633Free CancellationRating
7.2
350 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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