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Dulles Intl

$361+ Cheap flights from Belgium to Dulles Intl (IAD)

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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
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Cheap flight deals from Belgium to Dulles Intl

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

This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:55 pm
BRU
-
IAD
1 stop25h 35m
ITA Airways
Tue 9/154:30 pm
IAD
-
BRU
1 stop12h 15m
ITA Airways
Deal found 4/13$602
This Expedia deal was found by Cheapflights users on 4/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:10 pm
BRU
-
IAD
1 stop26h 20m
ITA Airways
Thu 10/295:45 pm
IAD
-
BRU
1 stop12h 00m
ITA Airways
Deal found 4/16$606
This Gotogate deal was found by Cheapflights users on 4/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:35 am
BRU
-
IAD
1 stop32h 55m
ITA Airways
Sat 9/264:30 pm
IAD
-
BRU
1 stop19h 30m
ITA Airways
Deal found 4/17$616
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/306:00 am
BRU
-
IAD
1 stop20h 35m
TAP AIR PORTUGAL
Wed 1/1310:30 pm
IAD
-
BRU
1 stop12h 35m
TAP AIR PORTUGAL
Deal found 4/13$637
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:20 am
BRU
-
IAD
1 stop12h 40m
Scandinavian Airlines
Sat 5/308:20 pm
IAD
-
BRU
1 stop12h 15m
Scandinavian Airlines
Deal found 4/14$645
This ITA Airways 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:55 pm
BRU
-
IAD
1 stop25h 35m
ITA Airways
Thu 11/54:45 pm
IAD
-
BRU
1 stop12h 00m
ITA Airways
Deal found 4/14$646
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:55 pm
BRU
-
IAD
1 stop25h 35m
ITA Airways
Thu 9/174:30 pm
IAD
-
BRU
1 stop12h 15m
ITA Airways
Deal found 4/14$650
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:20 am
BRU
-
IAD
1 stop11h 25m
Aer Lingus
Tue 5/125:15 pm
IAD
-
BRU
1 stop10h 25m
Aer Lingus
Deal found 4/15$651
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2011:50 am
BRU
-
IAD
1 stop14h 45m
TAP AIR PORTUGAL
Tue 12/295:25 pm
IAD
-
BRU
1 stop11h 35m
TAP AIR PORTUGAL
Deal found 4/15$652
This oojo deal was found by Cheapflights users on 4/17. 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.
Thu 7/236:55 pm
BRU
-
IAD
1 stop25h 35m
ITA Airways
Sun 8/24:30 pm
IAD
-
BRU
1 stop19h 30m
ITA Airways
Deal found 4/17$660
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.
Mon 4/274:10 pm
CRL
-
IAD
2 stops29h 00m
Multiple Airlines
Sun 5/108:30 pm
IAD
-
CRL
2 stops20h 25m
Multiple Airlines
Deal found 4/13$832
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:35 pm
CRL
-
IAD
2 stops33h 00m
Multiple Airlines
Tue 5/128:30 pm
IAD
-
CRL
2 stops13h 00m
Multiple Airlines
Deal found 4/14$840

Find flight deals from Belgium to Dulles Intl

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

Round-trip from

$602
(Gotogate)

One-way from

$361
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$674

Good round-trip deal

$757 or less

Good one-way deal

$995 or less
From Belgium to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Belgium to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Belgium to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Belgium to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Belgium to Dulles Intl 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 Belgium to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 5/20

7:05 am-3:30 pm

1 stop14h 25m

Washington, D.C. Dulles Intl

Wed 5/27

5:35 pm-9:55 am

1 stop10h 20m

$700

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 5/20

10:30 am-4:05 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sat 5/30

5:40 pm-7:15 am

Nonstop7h 35m

$763

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 5/20

2:25 pm-7:55 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Wed 5/27

5:40 pm-7:15 am

Nonstop7h 35m

$765

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 5/20

10:20 am-5:00 pm

1 stop12h 40m

Washington, D.C. Dulles Intl

Wed 5/27

8:20 pm-2:35 pm

1 stop12h 15m

$768

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 5/21

7:00 am-8:00 pm

1 stop19h 00m

Washington, D.C. Dulles Intl

Thu 6/4

10:15 pm-8:55 am

1 stop28h 40m

$769

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 9/22

6:55 pm-5:00 pm

2 stops28h 05m

Washington, D.C. Dulles Intl

Fri 9/25

8:20 pm-12:00 pm

2 stops33h 40m

$775
Quickest round-trip

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 5/8

12:00 pm-2:20 pm

Nonstop8h 20m

Washington, D.C. Dulles Intl

Sun 5/24

5:40 pm-7:15 am

Nonstop7h 35m

$777

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 5/23

10:30 am-4:05 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Tue 6/23

4:00 pm-8:00 pm

2 stops22h 00m

$777

BrusselsWashington, D.C.

CRL - IAD

CRLIAD

Charleroi Brussels

Mon 4/27

4:10 pm-3:10 pm

2 stops29h 00m

Washington, D.C. Dulles Intl

Sun 5/10

8:30 pm-10:55 pm

2 stops20h 25m

$840

BrusselsWashington, D.C.

CRL - IAD

CRLIAD

Charleroi Brussels

Thu 5/21

10:15 am-3:10 pm

2 stops34h 55m

Washington, D.C. Dulles Intl

Thu 6/4

8:30 pm-10:55 pm

2 stops20h 25m

$873

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 34 resultsSorted by cheapest first
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Best time to book a flight from Belgium to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Belgium 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 Belgium to Washington, D.C. Dulles Intl Airport

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

Currently, May is the cheapest month in which you can book a flight from Belgium to Washington, D.C. Dulles Intl Airport (average of $417). Flying from Belgium to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $537). 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 BE to IAD?

Find hourly flight availability from Belgium to Dulles Intl. 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belgium to Washington, D.C. Dulles Intl Airport as you normally would.

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

Explore weekly flight availability from Belgium to Dulles Intl. 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 BE0 to IAD 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).

How often are flights from Belgium to Washington, D.C. delayed?

About 16% of weekly flights between Belgium and Washington, D.C. have experienced delays in the past year, with the average delay time being 131 minutes.

What is the most punctual flight time for Belgium to Washington, D.C. flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Belgium to Washington, D.C. flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated April 17, 2026.
Get a feel of what it's like to fly with United Airlines,Brussels Airlines, andLufthansa from Belgium to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,603 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

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.
United Airlines
7.4
Good
9,603 reviews
United Airlines
7.4
Good
9,603 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

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.
Brussels Airlines
7.2
Good
401 reviews
United Airlines
7.4
Good
9,603 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

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.
Lufthansa
6.8
Okay
7,926 reviews
United Airlines
7.4
Good
9,603 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

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 Belgium to Dulles Intl. 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 Belgium to Washington, D.C. Dulles Intl Airport?

    Departing from Belgium to Washington, D.C. Dulles Intl Airport will take you 8h 20m. Airlines will cover a distance of 3879 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $461 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on Austrian Airlines and Brussels Airlines, with prices starting from $545 and $547, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Belgium to Washington, D.C. Dulles Intl Airport on time: Lufthansa (68%), Air Canada (67%), Austrian Airlines (67%).

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

    Looking for the cheapest flight from Belgium to Washington, D.C. Dulles Intl Airport? While on average our users pay $955, our data indicates the cheapest price to be $610. The most popular route (Brussels Bruxelles-National - Washington, D.C. Dulles Intl), is priced around $602.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belgium to Dulles Intl 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 Belgium to Washington, D.C. Dulles Intl Airport?

    Currently, May is the cheapest month in which you can book a flight from Belgium to Washington, D.C. Dulles Intl Airport (average of $417). Flying from Belgium to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $537). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Towson
Hunt Valley
Cordova

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Top 3 airlines flying from Belgium to Dulles Intl

Discover the top 3 airlines that operate flights from Belgium to Dulles Intl. 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
Brussels AirlinesCheapest$496Average$666FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$497Average$671FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$558Average$764FlexibilityNo cancel feeOn-time76%

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