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Dulles Intl

$311+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
Mar 12 — Mar 191
Thu 3/12
Thu 3/19
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 February 10, 2026.

This Gotogate deal was found by Cheapflights users on 2/7. 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.
Thu 4/210:20 am
BRU
-
IAD
1 stop12h 30m
Scandinavian Airlines
Wed 4/158:20 pm
IAD
-
BRU
1 stop12h 15m
Scandinavian Airlines
Deal found 2/7$562
This FlightHub deal was found by Cheapflights users on 2/6. 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 3/318:30 pm
BRU
-
IAD
1 stop26h 20m
Scandinavian Airlines
Wed 4/88:20 pm
IAD
-
BRU
2 stops18h 10m
Scandinavian Airlines
Deal found 2/6$568
This FlightHub deal was found by Cheapflights users on 2/8. 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 3/25:55 pm
BRU
-
IAD
1 stop26h 40m
TAP AIR PORTUGAL
Sun 3/2211:30 pm
IAD
-
BRU
1 stop19h 20m
TAP AIR PORTUGAL
Deal found 2/8$569
This Finnair deal was found by Cheapflights users on 2/9. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:00 am
BRU
-
IAD
1 stop15h 20m
Multiple Airlines
Fri 10/3010:45 pm
IAD
-
BRU
1 stop13h 35m
Multiple Airlines
Deal found 2/9$570
This FlightHub deal was found by Cheapflights users on 2/8. 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.
Thu 2/1912:50 pm
BRU
-
IAD
1 stop11h 40m
Icelandair
Wed 3/47:40 pm
IAD
-
BRU
1 stop10h 15m
Icelandair
Deal found 2/8$571
This Scandinavian Airlines deal was found by Cheapflights users on 2/9. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:10 pm
BRU
-
IAD
2 stops25h 40m
Scandinavian Airlines
Sun 4/198:20 pm
IAD
-
BRU
2 stops18h 10m
Scandinavian Airlines
Deal found 2/9$572
This lol.travel deal was found by Cheapflights users on 2/8. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:20 am
BRU
-
IAD
1 stop12h 55m
Scandinavian Airlines
Thu 3/199:30 pm
IAD
-
BRU
1 stop17h 20m
Scandinavian Airlines
Deal found 2/8$573
This Mytrip deal was found by Cheapflights users on 2/9. 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 4/155:35 pm
CRL
-
IAD
2 stops33h 00m
Multiple Airlines
Mon 4/2010:35 pm
IAD
-
CRL
2 stops18h 25m
Multiple Airlines
Deal found 2/9$720
This Mytrip deal was found by Cheapflights users on 2/9. 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.
Thu 4/162:30 pm
CRL
-
IAD
3 stops32h 20m
Multiple Airlines
Sun 4/198:20 pm
IAD
-
CRL
2 stops20h 35m
Multiple Airlines
Deal found 2/9$721
This Mytrip deal was found by Cheapflights users on 2/6. 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.
Thu 4/169:05 pm
CRL
-
IAD
2 stops24h 00m
Multiple Airlines
Sun 4/268:30 pm
IAD
-
CRL
2 stops20h 00m
Multiple Airlines
Deal found 2/6$726
This Mytrip deal was found by Cheapflights users on 2/7. 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.
Thu 4/22:30 pm
CRL
-
IAD
3 stops32h 20m
Multiple Airlines
Wed 4/158:20 pm
IAD
-
CRL
2 stops19h 55m
Multiple Airlines
Deal found 2/7$731
This Mytrip deal was found by Cheapflights users on 2/6. 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 4/85:35 pm
CRL
-
IAD
2 stops27h 30m
Multiple Airlines
Sat 4/188:30 pm
IAD
-
CRL
2 stops20h 25m
Multiple Airlines
Deal found 2/6$734

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 February 10, 2026.

Round-trip from

$562
(Mytrip)

One-way from

$311
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$619

Good round-trip deal

$729 or less

Good one-way deal

$625 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. 6% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 10, 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

Belgium

Fly to

Dulles Intl

Route

Depart

Return

Price

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 4/16

9:10 pm-4:50 pm

2 stops25h 40m

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-8:30 pm

2 stops18h 10m

$572

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 2/25

10:20 am-5:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Thu 3/19

9:30 pm-7:50 pm

1 stop17h 20m

$573

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 5/9

1:50 pm-7:20 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Sat 5/23

8:30 pm-12:55 pm

1 stop10h 25m

$609

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 2/26

10:20 am-5:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Wed 3/4

8:30 pm-6:40 pm

2 stops16h 10m

$623

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 2/24

8:30 pm-5:15 pm

1 stop26h 45m

Washington, D.C. Dulles Intl

Thu 3/19

9:30 pm-2:30 pm

1 stop12h 00m

$629

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 3/3

7:20 pm-5:15 pm

2 stops27h 55m

Washington, D.C. Dulles Intl

Thu 3/19

9:30 pm-6:40 pm

2 stops16h 10m

$630

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 3/6

10:45 am-4:05 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Mon 3/9

10:06 am-8:00 am

1 stop16h 54m

$639

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 3/13

8:05 am-5:05 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Thu 3/19

7:05 pm-10:10 am

1 stop10h 05m

$640

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 3/31

6:20 am-3:35 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Tue 4/7

5:40 pm-9:40 am

1 stop10h 00m

$640

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 4/24

8:05 am-3:35 pm

1 stop13h 30m

Washington, D.C. Dulles Intl

Sat 5/9

5:40 pm-9:50 am

1 stop10h 10m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

Showing 1-10 of 37 results
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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 $416). Flying from Belgium to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $557). 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 February 10, 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 February 10, 2026.

The most flights from BE0 to IAD are scheduled on a Monday (6 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 17% of weekly flights between Belgium and Washington, D.C. have experienced delays in the past year, with the average delay time being 153 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 13% 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 February 10, 2026.
Get a feel of what it's like to fly with United Airlines, Brussels Airlines, and Lufthansa 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
9,266 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,266 reviews
United Airlines
7.4
Good
9,266 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Brussels Airlines
7.2
Good
384 reviews
United Airlines
7.4
Good
9,266 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Lufthansa
6.8
Okay
7,775 reviews
United Airlines
7.4
Good
9,266 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
British Airways
6.7
Okay
7,724 reviews
United Airlines
7.4
Good
9,266 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 12h 30m. Airlines will cover a distance of 3879 mi.

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

    $425 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 Brussels Airlines and Austrian Airlines, with prices starting from $528 and $545, 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: SWISS (81%), Air Canada (78%), Austrian Airlines (78%).

  • 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 $777, our data indicates the cheapest price to be $581. The most popular route (Brussels Bruxelles-National - Washington, D.C. Dulles Intl), is priced around $576.

  • 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 $416). Flying from Belgium to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $557). 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
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Linthicum Heights
Rockville
Upper Marlboro
Manassas
Bowie
Largo
McLean
Clinton
Towson

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Alternative routes for Belgium to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to Dulles Intl flights
Charles de Gaulle to Dulles Intl flights
Heathrow to Dulles Intl flights
Frankfurt to Baltimore flights
Heathrow to Baltimore flights
Amsterdam to Dulles Intl flights
Istanbul to Dulles Intl flights
Munich to Dulles Intl flights
Bruxelles-National to Dulles Intl flights
Charles de Gaulle to Baltimore flights
Zurich to Dulles Intl flights
Madrid to Dulles Intl flights
Charles de Gaulle to Reagan-National flights
Orly to Dulles Intl flights
Gatwick to Dulles Intl flights
Heathrow to Reagan-National flights
Barcelona-El Prat to Dulles Intl flights
Frankfurt to Reagan-National flights
Stansted to Dulles Intl flights
Frederic Chopin to Dulles Intl flights
London City to Dulles Intl flights
Madrid to Reagan-National flights
Amsterdam to Baltimore flights
Munich to Baltimore flights
Gatwick to Baltimore flights
Dublin to Dulles Intl flights
Madrid to Baltimore flights
Amsterdam to Reagan-National flights
Luton to Dulles Intl flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Bruxelles-National to Baltimore flights
Istanbul to Reagan-National flights
Vienna to Dulles Intl flights
Vicenza to Dulles Intl flights
Geneva to Dulles Intl flights
Bruxelles-National to Reagan-National flights
Zurich to Reagan-National flights
Zurich to Baltimore flights
Munich to Reagan-National flights
Frederic Chopin to Baltimore flights
Gatwick to Reagan-National flights
Copenhagen to Dulles Intl flights
Istanbul to Baltimore flights
Barcelona-El Prat to Baltimore flights
Frederic Chopin to Reagan-National flights
Sabiha Gokcen to Dulles Intl flights
Duesseldorf Intl to Dulles Intl flights
Athens to Dulles Intl flights

Top 4 airlines flying from Belgium to Dulles Intl

Discover the top 4 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 February 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$482Average$621FlexibilityNo cancel feeOn-time70%
Brussels AirlinesCheapest$496Average$661FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$497Average$665FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$558Average$769FlexibilityNo cancel feeOn-time76%

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