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Cheap flights from Washington, D.C. Dulles Intl Airport to Belgium from $265

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 3/15. 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
12:30 pm - 2:30 pmIAD-BRU
21h 00m2 stops
Scandinavian Airlines Logo
11:30 am - 6:15 pmBRU-IAD
35h 45m2 stops
$479Scandinavian Airlines
Find Deal
Fri, Mar 13 - Wed, Mar 18
Scandinavian Airlines Logo
12:30 pm - 2:30 pmIAD-BRU
20h 00m2 stops
Scandinavian Airlines Logo
8:30 pm - 5:15 pmBRU-IAD
26h 45m1 stop
$480Scandinavian Airlines
Find Deal
Wed, Feb 4 - Sun, Feb 15
Scandinavian Airlines Logo
12:30 pm - 2:30 pmIAD-BRU
20h 00m2 stops
Scandinavian Airlines Logo
8:30 pm - 5:15 pmBRU-IAD
26h 45m1 stop
$481Scandinavian Airlines
Find Deal
Thu, Jan 15 - Tue, Jan 20
Scandinavian Airlines Logo
12:30 pm - 2:30 pmIAD-BRU
20h 00m2 stops
Scandinavian Airlines Logo
10:20 am - 7:12 pmBRU-IAD
14h 52m2 stops
$488Scandinavian Airlines
Find Deal
Thu, Feb 5 - Thu, Feb 19
Scandinavian Airlines Logo
8:30 pm - 2:30 pmIAD-BRU
12h 00m1 stop
Scandinavian Airlines Logo
6:55 pm - 5:15 pmBRU-IAD
28h 20m2 stops
$489Scandinavian Airlines
Find Deal
Thu, Feb 26 - Sun, Mar 1
Scandinavian Airlines Logo
8:30 pm - 2:30 pmIAD-BRU
12h 00m1 stop
Scandinavian Airlines Logo
10:20 am - 5:15 pmBRU-IAD
12h 55m1 stop
$490Scandinavian Airlines
Find Deal
Thu, Feb 5 - Wed, Feb 18
Scandinavian Airlines Logo
7:49 pm - 9:40 amIAD-BRU
31h 51m2 stops
Scandinavian Airlines Logo
10:20 am - 6:50 pmBRU-IAD
14h 30m1 stop
$491Scandinavian Airlines
Find Deal
Mon, Dec 1 - Sat, Dec 6
Scandinavian Airlines Logo
8:30 pm - 2:30 pmIAD-BRU
12h 00m1 stop
Scandinavian Airlines Logo
8:30 pm - 5:15 pmBRU-IAD
26h 45m1 stop
$493Scandinavian Airlines
Find Deal
Thu, Feb 26 - Sun, Mar 1
Multiple Airlines Logo
7:40 pm - 6:20 pmIAD-CRL
16h 40m2 stops
Multiple Airlines Logo
6:20 am - 6:30 pmCRL-IAD
18h 10m2 stops
$565Multiple Airlines
Find Deal
Fri, Nov 28 - Tue, Dec 2
Multiple Airlines Logo
5:30 pm - 9:45 pmIAD-CRL
22h 15m2 stops
Multiple Airlines Logo
9:25 pm - 9:00 pmCRL-IAD
29h 35m2 stops
$594Multiple Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 18

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
Mar 13
IAD12:30 pmWashington, D.C. Dulles Intl
21h 00m
2 stops
BRU2:30 pmBrussels Bruxelles-National
Mar 18
BRU11:30 amBrussels Bruxelles-National
35h 45m
2 stops
IAD6:15 pmWashington, D.C. Dulles Intl
$479
Find similar
Scandinavian Airlines
Feb 4
IAD12:30 pmWashington, D.C. Dulles Intl
20h 00m
2 stops
BRU2:30 pmBrussels Bruxelles-National
Feb 15
BRU8:30 pmBrussels Bruxelles-National
26h 45m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$480
Find similar
Scandinavian Airlines
Jan 15
IAD12:30 pmWashington, D.C. Dulles Intl
20h 00m
2 stops
BRU2:30 pmBrussels Bruxelles-National
Jan 20
BRU8:30 pmBrussels Bruxelles-National
26h 45m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$481
Find similar

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

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport to Belgium flight tickets
Turkish Airlines
Oct 11
IAD9:40 pmWashington, D.C. Dulles Intl
30h 10m
1 stop
BRU9:50 amBrussels Bruxelles-National
Oct 14
BRU7:15 amBrussels Bruxelles-National
34h 30m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
$604
Find similar
Turkish Airlines
Oct 8
IAD1:30 pmWashington, D.C. Dulles Intl
21h 55m
1 stop
BRU5:25 pmBrussels Bruxelles-National
Oct 13
BRU11:15 amBrussels Bruxelles-National
30h 30m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
$622
Find similar
Turkish Airlines
Oct 11
IAD1:30 pmWashington, D.C. Dulles Intl
19h 45m
1 stop
BRU3:15 pmBrussels Bruxelles-National
Oct 14
BRU6:50 pmBrussels Bruxelles-National
22h 55m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
$632
Find similar

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 October 2, 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

Fri 3/13

12:30 pm-2:30 pm

2 stops21h 00m

Brussels Bruxelles-National

Wed 3/18

11:30 am-6:15 pm

2 stops35h 45m

$479

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 2/4

12:30 pm-2:30 pm

2 stops20h 00m

Brussels Bruxelles-National

Sun 2/15

8:30 pm-5:15 pm

1 stop26h 45m

$480

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 1/15

12:30 pm-2:30 pm

2 stops20h 00m

Brussels Bruxelles-National

Tue 1/20

8:30 pm-5:15 pm

1 stop26h 45m

$481

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 2/5

12:30 pm-2:30 pm

2 stops20h 00m

Brussels Bruxelles-National

Thu 2/19

10:20 am-7:12 pm

2 stops14h 52m

$488

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 2/26

8:30 pm-2:30 pm

1 stop12h 00m

Brussels Bruxelles-National

Sun 3/1

6:55 pm-5:15 pm

2 stops28h 20m

$489

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

Wed 2/18

10:20 am-5:15 pm

1 stop12h 55m

$490

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 12/1

7:49 pm-9:40 am

2 stops31h 51m

Brussels Bruxelles-National

Sat 12/6

10:20 am-6:50 pm

1 stop14h 30m

$491

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 2/26

8:30 pm-2:30 pm

1 stop12h 00m

Brussels Bruxelles-National

Sun 3/1

8:30 pm-5:15 pm

1 stop26h 45m

$493

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Fri 11/28

7:40 pm-6:20 pm

2 stops16h 40m

Charleroi Brussels

Tue 12/2

6:20 am-6:30 pm

2 stops18h 10m

$565

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Tue 11/4

5:30 pm-9:45 pm

2 stops22h 15m

Charleroi Brussels

Tue 11/18

9:25 pm-9:00 pm

2 stops29h 35m

$594

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 $623. If you are unable to visit Belgium during the month of September, then departing from Washington, D.C. Dulles Intl Airport during the month August is also very affordable. Most momondo users find prices during this month for around $676.

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 $1,050. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,271. 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 $821 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 $659 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 20% 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

$558

Fastest flight time

7h 30m

Direct flights

Every day

Airports in Belgium

1 airport
The best one-way flight to Belgium from Washington, D.C. Dulles Intl Airport in the past 72 hours is $558. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Belgium found on momondo in the last 72 hours is $925.
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 is 1 airport near Belgium: 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
Scandinavian AirlinesPriceFrom $410Free CancellationRating
7.4
1,514 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $441Free CancellationRating
7.0
546 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $480Free CancellationRating
7.1
2,000 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $539Free CancellationRating
7.2
1,309 reviews
Search Aer Lingus flights
Turkish AirlinesPriceFrom $540Free CancellationRating
7.3
3,983 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,415 reviews
Search British Airways flights
United AirlinesPriceFrom $601Free CancellationRating
7.4
8,933 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $633Free CancellationRating
7.2
364 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $686Free CancellationRating
6.8
7,444 reviews
Search Lufthansa 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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