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Dulles Intl

$353+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find 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 November 3, 2025.

This Mytrip deal was found by Cheapflights users on 11/3. 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 11/1312:50 pmBRU - IAD
1 stop11h 40mIcelandair
Thu 11/277:40 pmIAD - BRU
1 stop10h 15mIcelandair
Deal found 11/3$539
This Gotogate deal was found by Cheapflights users on 11/3. 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 12/256:00 amBRU - IAD
1 stop15h 15mTAP AIR PORTUGAL
Fri 1/910:30 pmIAD - BRU
1 stop19h 20mTAP AIR PORTUGAL
Deal found 11/3$545
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/2510:20 amBRU - IAD
1 stop12h 55mScandinavian Airlines
Mon 1/58:30 pmIAD - BRU
1 stop31h 10mScandinavian Airlines
Deal found 11/3$557
This FlightHub deal was found by Cheapflights users on 11/3. 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 12/512:50 pmBRU - IAD
1 stop11h 40mIcelandair
Sat 12/137:40 pmIAD - BRU
1 stop10h 15mIcelandair
Deal found 11/3$560
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 11/2012:50 pmBRU - IAD
1 stop11h 40mIcelandair
Thu 12/47:40 pmIAD - BRU
1 stop10h 15mIcelandair
Deal found 11/3$576
This lastminute.com deal was found by Cheapflights users on 11/2. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:40 pmBRU - IAD
2 stops49h 35mScandinavian Airlines
Mon 12/88:30 pmIAD - BRU
2 stops32h 20mScandinavian Airlines
Deal found 11/2$580
This Icelandair deal was found by Cheapflights users on 11/3. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2112:50 pmBRU - IAD
1 stop11h 40mIcelandair
Thu 12/47:40 pmIAD - BRU
1 stop10h 15mIcelandair
Deal found 11/3$581
This Gotogate deal was found by Cheapflights users on 11/3. 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.
Mon 11/1710:15 amBRU - IAD
1 stop15h 15mAer Lingus
Sun 11/309:00 pmIAD - BRU
1 stop15h 15mAer Lingus
Deal found 11/3$582
This Aer Lingus deal was found by Cheapflights users on 11/3. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:15 amBRU - IAD
1 stop11h 20mAer Lingus
Mon 12/15:05 pmIAD - BRU
1 stop10h 30mAer Lingus
Deal found 11/3$584
This Flightnetwork deal was found by Cheapflights users on 11/3. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:20 pmBRU - IAD
2 stops27h 55mScandinavian Airlines
Wed 12/108:30 pmIAD - BRU
1 stop17h 20mScandinavian Airlines
Deal found 11/3$585
This Mytrip deal was found by Cheapflights users on 11/2. 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 11/1610:15 amBRU - IAD
1 stop11h 20mAer Lingus
Sat 11/295:05 pmIAD - BRU
1 stop10h 30mAer Lingus
Deal found 11/2$588
This Mytrip deal was found by Cheapflights users on 11/2. 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 12/16:30 amCRL - IAD
2 stops35h 15mMultiple Airlines
Mon 12/81:30 pmIAD - CRL
2 stops18h 50mMultiple Airlines
Deal found 11/2$681

Cheap 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 November 3, 2025.

Round-trip from

$517
(oojo)

One-way from

$353
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$601

Good round-trip deal

$785 or less

Good one-way deal

$796 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 ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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.
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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 November 3, 2025.
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

Fri 2/13

7:20 pm-6:50 pm

2 stops29h 30m

Washington, D.C. Dulles Intl

Sat 2/21

8:30 pm-2:30 pm

1 stop12h 00m

$517

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 12/1

9:40 pm-5:15 pm

2 stops49h 35m

Washington, D.C. Dulles Intl

Mon 12/8

8:30 pm-2:30 pm

1 stop12h 00m

$581

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sun 11/23

10:15 am-3:35 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Mon 12/1

5:05 pm-9:35 am

1 stop10h 30m

$584

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 12/25

10:20 am-5:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Wed 12/31

8:30 pm-2:30 pm

1 stop12h 00m

$591

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sun 11/23

8:05 am-4:05 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Mon 12/1

12:11 pm-7:35 am

2 stops13h 24m

$604

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 11/19

10:20 am-11:31 am

2 stops31h 11m

Washington, D.C. Dulles Intl

Sat 11/29

8:30 pm-7:50 pm

1 stop17h 20m

$619

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 11/24

7:00 am-2:35 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Sun 11/30

5:45 pm-7:15 am

Nonstop7h 30m

$625

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 11/20

2:25 pm-8:15 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Tue 12/2

5:45 pm-7:15 am

Nonstop7h 30m

$625

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 11/19

7:00 am-3:50 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

Tue 12/2

5:45 pm-7:15 am

Nonstop7h 30m

$625

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sun 11/16

2:25 pm-8:15 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Sat 11/29

6:20 pm-1:15 pm

1 stop12h 55m

$625

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 39 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, June is the cheapest month in which you can book a flight from Belgium to Washington, D.C. Dulles Intl Airport (average of $419). Flying from Belgium to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $528). 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 November 3, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 15% on flights from Belgium to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the afternoon.

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 November 3, 2025.

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).

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 November 3, 2025.
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
8,996 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,996 reviews
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Brussels Airlines
7.2
Good
369 reviews
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,544 reviews
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,494 reviews
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 11h 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 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: Air Canada (83%), Austrian Airlines (83%), SWISS (83%).

  • 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 $1,393, our data indicates the cheapest price to be $638. The most popular route (Brussels Bruxelles-National - Washington, D.C. Dulles Intl), is priced around $517.

  • 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, June is the cheapest month in which you can book a flight from Belgium to Washington, D.C. Dulles Intl Airport (average of $419). Flying from Belgium to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $528). 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
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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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
Heathrow to Dulles Intl flights
Charles de Gaulle to Dulles Intl flights
Heathrow to Baltimore flights
Frankfurt to Reagan-National flights
Frankfurt to Baltimore flights
Charles de Gaulle to Baltimore flights
Charles de Gaulle to Reagan-National flights
Gatwick to Dulles Intl flights
Amsterdam to Dulles Intl flights
Heathrow to Reagan-National flights
Bruxelles-National to Dulles Intl flights
Gatwick to Baltimore flights
London City to Dulles Intl flights
Madrid to Dulles Intl flights
Gatwick to Reagan-National flights
Stansted to Dulles Intl flights
Orly to Dulles Intl flights
Munich to Dulles Intl flights
Luton to Dulles Intl flights
Barcelona-El Prat to Dulles Intl flights
Frederic Chopin to Baltimore flights
Duesseldorf Intl to Dulles Intl flights
Frederic Chopin to Dulles Intl flights
Istanbul to Dulles Intl flights
Duesseldorf Intl to Baltimore flights
Vienna to Dulles Intl flights
Frederic Chopin to Reagan-National flights
London City to Reagan-National flights
Duesseldorf Intl to Reagan-National flights
Dublin to Dulles Intl flights
Madrid to Reagan-National flights
Luton to Baltimore flights
Bruxelles-National to Baltimore flights
Amsterdam to Reagan-National flights
Zurich to Dulles Intl flights
Madrid to Baltimore flights
Amsterdam to Baltimore flights
Geneva to Dulles Intl flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Izmir to Dulles Intl flights
Barcelona-El Prat to Baltimore flights
Berlin to Dulles Intl flights
Lisbon to Dulles Intl flights
Edinburgh to Dulles Intl flights
Frankfurt-Hahn to Baltimore flights
Barcelona-El Prat to Reagan-National 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$456Average$558FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$470Average$642FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$496Average$662FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$528Average$764FlexibilityNo cancel feeOn-time76%

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