Belgium

$328+ Cheap flights from Dulles Intl (IAD) to Belgium

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BRU
May 17 — May 241
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Cheap flight deals from Dulles Intl to Belgium

Cheapest flights from Dulles Intl to Belgium
Explore the most affordable flight options available from Dulles Intl to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:20 pm
IAD
-
BRU
1 stop20h 40m
Scandinavian Airlines
Tue 10/69:15 pm
BRU
-
IAD
2 stops25h 45m
Scandinavian Airlines
Deal found 4/14$609
This KAYAK deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:30 pm
IAD
-
BRU
2 stops15h 50m
Scandinavian Airlines
Thu 11/2610:20 am
BRU
-
IAD
1 stop12h 55m
Scandinavian Airlines
Deal found 4/13$610
This FlightHub deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:20 pm
IAD
-
BRU
2 stops33h 40m
Scandinavian Airlines
Wed 10/287:15 pm
BRU
-
IAD
1 stop28h 00m
Scandinavian Airlines
Deal found 4/14$612
This FlightHub deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:20 pm
IAD
-
BRU
2 stops32h 20m
Scandinavian Airlines
Tue 10/277:20 pm
BRU
-
IAD
2 stops27h 55m
Scandinavian Airlines
Deal found 4/14$614
This FlightHub deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:30 pm
IAD
-
BRU
2 stops16h 10m
Scandinavian Airlines
Wed 10/288:30 pm
BRU
-
IAD
1 stop26h 45m
Scandinavian Airlines
Deal found 4/14$616
This Booking.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:20 pm
IAD
-
BRU
1 stop31h 20m
Scandinavian Airlines
Fri 5/810:20 am
BRU
-
IAD
1 stop12h 40m
Scandinavian Airlines
Deal found 4/13$618
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:20 pm
IAD
-
BRU
1 stop31h 20m
Scandinavian Airlines
Sat 5/98:30 pm
BRU
-
IAD
1 stop26h 30m
Scandinavian Airlines
Deal found 4/14$622
This Trip.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:30 pm
IAD
-
BRU
1 stop12h 00m
Scandinavian Airlines
Sun 11/293:10 pm
BRU
-
IAD
1 stop32h 05m
Scandinavian Airlines
Deal found 4/13$625
This Kiwi.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:20 pm
IAD
-
BRU
1 stop12h 15m
Scandinavian Airlines
Wed 5/2010:20 am
BRU
-
IAD
1 stop12h 40m
Scandinavian Airlines
Deal found 4/12$629
This Justfly.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:20 pm
IAD
-
BRU
2 stops18h 10m
Scandinavian Airlines
Thu 10/85:45 am
BRU
-
IAD
1 stop17h 15m
Scandinavian Airlines
Deal found 4/15$632
This oojo deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:20 pm
IAD
-
BRU
1 stop20h 40m
Scandinavian Airlines
Wed 9/236:55 pm
BRU
-
IAD
2 stops28h 05m
Scandinavian Airlines
Deal found 4/14$633
This Mytrip deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:30 pm
IAD
-
CRL
2 stops20h 15m
Multiple Airlines
Thu 4/306:25 am
CRL
-
IAD
2 stops18h 55m
Multiple Airlines
Deal found 4/13$656

Find flight deals from Dulles Intl to Belgium

Keep the following information in mind while searching for Dulles Intl to Belgium flight deals. Data was last updated April 17, 2026.

Round-trip from

$609
(oojo)

One-way from

$328
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$779

Good round-trip deal

$1,208 or less

Good one-way deal

$520 or less
From Washington, D.C. Dulles Intl to Belgium
One-way flight from Washington, D.C. Dulles Intl to Belgium
Highest demand for flights based on searches. 20% potential increase in price ($206 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Belgium.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Belgium.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated April 17, 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

Cheapest round-trip

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 5/3

8:20 pm-9:40 am

1 stop31h 20m

Brussels Bruxelles-National

Thu 5/7

8:30 pm-5:00 pm

1 stop26h 30m

$706

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Mon 5/11

8:30 pm-8:35 pm

2 stops18h 05m

Charleroi Brussels

Mon 5/18

8:50 am-7:20 pm

2 stops16h 30m

$766

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Sun 5/3

8:30 pm-10:35 pm

2 stops20h 05m

Charleroi Brussels

Tue 5/12

1:50 pm-7:00 pm

2 stops35h 10m

$833

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Tue 5/5

8:30 pm-9:15 pm

2 stops18h 45m

Charleroi Brussels

Wed 5/13

9:20 am-8:29 pm

2 stops17h 09m

$860

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Wed 4/29

1:20 pm-8:30 pm

2 stops25h 10m

Charleroi Brussels

Sun 5/3

9:40 am-11:35 am

2 stops31h 55m

$894

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Sat 5/2

8:30 pm-3:20 pm

2 stops12h 50m

Charleroi Brussels

Sat 5/9

8:25 am-2:15 pm

2 stops35h 50m

$905

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Wed 6/10

4:05 pm-3:45 pm

2 stops17h 40m

Charleroi Brussels

Tue 6/16

12:20 pm-3:30 pm

1 stop33h 10m

$932

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Sat 6/13

8:18 am-3:35 pm

3 stops25h 17m

Charleroi Brussels

Fri 6/19

2:40 pm-7:00 pm

2 stops34h 20m

$952

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Wed 9/30

8:30 pm-10:15 pm

2 stops19h 45m

Charleroi Brussels

Wed 10/7

5:35 pm-3:10 pm

2 stops27h 35m

$960

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Sat 5/2

8:30 pm-3:20 pm

2 stops12h 50m

Charleroi Brussels

Tue 5/5

6:45 am-8:29 pm

3 stops19h 44m

$999

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 53 resultsSorted by cheapest first
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6

Best time to book a flight from Dulles Intl to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Belgium

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Belgium?

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belgium (average of $201). Flying from Washington, D.C. Dulles Intl Airport to Belgium in June is currently the most expensive (average of $612). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to BE?

Find hourly flight availability from Dulles Intl to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2026.

When flying from Washington, D.C. Dulles Intl Airport to Belgium, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Belgium

Explore weekly flight availability from Dulles Intl to Belgium. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 17, 2026.

The most flights from IAD to BE0 are scheduled on a Thursday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belgium. Reviews last updated April 17, 2026.
Get a feel of what it's like to fly with United Airlines,Aer Lingus, andScandinavian Airlines from Washington, D.C. Dulles Intl Airport to Belgium by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Belgium. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Washington, D.C. Dulles Intl Airport to Belgium?

    Scandinavian Airlines, Turkish Airlines, and United Airlines can get you from Washington, D.C. Dulles Intl Airport to Belgium in just under 12h 45m. Your travel time can differ by up to 18h 35m. There are 3879 mi between Washington, D.C. Dulles Intl Airport and Belgium. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Belgium one-way?

    One-way options have recently been found by users for as low as $269 on Icelandair. Other airlines that offer cheap prices include Brussels Airlines from $439 and United Airlines from $464 one-way.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Belgium?

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Belgium?

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Belgium consider choosing Brussels Airlines (85%), United Airlines (85%) or Lufthansa (81%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Belgium?

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Belgium is $375. On average you can expect to pay $1,451. The most popular route, (Washington, D.C. Dulles Intl - Brussels Bruxelles-National), can usually be booked for $645.

  • Can I find deals for flights from Dulles Intl to Belgium that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Belgium flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Belgium?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Belgium.

  • Can I find deals for business class flights from Dulles Intl to Belgium?

    Yes. Cheapflights offers flight deals from Dulles Intl to Belgium by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Belgium?

    Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belgium (average of $201). Flying from Washington, D.C. Dulles Intl Airport to Belgium in June is currently the most expensive (average of $612). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 10 airlines flying from Dulles Intl to Belgium

Discover the top 10 airlines that operate flights from Dulles Intl to Belgium. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$345Average$1,036FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$393Average$736FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$440Average$730FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$462Average$560FlexibilityNo cancel feeOn-time77%
DeltaCheapest$511Average$656FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$539Average$793FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$540Average$633FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$591Average$917FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$633Average$1,029FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$775Average$1,254FlexibilityNo cancel feeOn-time76%

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