Dulles Intl

$406+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — IAD
Jun 17 — Jun 241
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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 June 12, 2025.

Round-trip from

$482
(Scandinavian Airlines)

One-way from

$406
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$573

Good round-trip deal

$643 or less

Good one-way deal

$605 or less
From Belgium to Washington, D.C. Dulles Intl
One-way flight from Belgium to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 8% potential increase in price ($56 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Belgium to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Belgium to Washington, D.C. Dulles Intl.

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 June 12, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 10/1010:20 amBRU - IAD
1 stop15h 39mScandinavian Airlines
Thu 10/2310:05 pmIAD - BRU
1 stop15h 45mScandinavian Airlines
Deal found 6/10$482
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/310:50 amBRU - IAD
1 stop15h 20mAmerican Airlines
Fri 7/1110:40 pmIAD - BRU
1 stop14h 30mAmerican Airlines
Deal found 6/11$500
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/192:50 pmBRU - IAD
1 stop11h 20mBritish Airways
Sat 7/510:45 pmIAD - BRU
1 stop15h 00mBritish Airways
Deal found 6/12$502
This lastminute.com deal was found by Cheapflights users on 6/12. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1910:20 amBRU - IAD
1 stop11h 30mAer Lingus
Sat 7/55:20 pmIAD - BRU
1 stop10h 20mAer Lingus
Deal found 6/12$508
This AirNGo deal was found by Cheapflights users on 6/12. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:50 pmBRU - IAD
1 stop11h 30mIcelandair
Sat 8/2311:15 pmIAD - BRU
1 stop31h 35mIcelandair
Deal found 6/12$516
This Gotogate deal was found by Cheapflights users on 6/10. 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 7/36:55 pmBRU - IAD
1 stop25h 45mITA Airways
Mon 7/214:30 pmIAD - BRU
1 stop12h 10mITA Airways
Deal found 6/10$521
This Flightnetwork deal was found by Cheapflights users on 6/10. 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.
Sun 8/1712:00 pmBRU - IAD
Nonstop8h 25mMultiple Airlines
Mon 12/155:35 pmIAD - BRU
1 stop11h 35mMultiple Airlines
Deal found 6/10$528
This Booking.com deal was found by Cheapflights users on 6/10. 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 6/277:00 amBRU - IAD
1 stop14h 15mLufthansa
Sun 7/65:45 pmIAD - BRU
Nonstop7h 30mLufthansa
Deal found 6/10$544
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:05 amBRU - IAD
1 stop13h 55mIberia
Fri 10/244:35 pmIAD - BRU
1 stop20h 20mIberia
Deal found 6/10$567
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/110:00 amBRU - IAD
1 stop31h 13mUnited Airlines
Mon 9/85:45 pmIAD - BRU
Nonstop7h 30mUnited Airlines
Deal found 6/10$570
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2910:00 amBRU - IAD
2 stops31h 29mAir Canada
Mon 9/88:16 amIAD - BRU
2 stops17h 49mAir Canada
Deal found 6/10$581
This SWISS deal was found by Cheapflights users on 6/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/308:05 pmBRU - IAD
1 stop26h 10mSWISS
Mon 7/148:45 pmIAD - BRU
1 stop16h 30mSWISS
Deal found 6/10$599

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 June 12, 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 10/10

10:20 am-7:59 pm

1 stop15h 39m

Washington, D.C. Dulles Intl

Thu 10/23

10:05 pm-7:50 pm

1 stop15h 45m

$482

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 7/3

10:50 am-8:10 pm

1 stop15h 20m

Washington, D.C. Dulles Intl

Fri 7/11

10:40 pm-7:10 pm

1 stop14h 30m

$500

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Tue 7/1

8:25 pm-8:10 pm

1 stop29h 45m

Washington, D.C. Dulles Intl

Sun 9/7

10:40 pm-6:00 pm

1 stop13h 20m

$502

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 8/13

1:50 pm-7:20 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Sat 8/23

11:15 pm-12:50 pm

1 stop31h 35m

$516

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Thu 7/3

6:55 pm-2:40 pm

1 stop25h 45m

Washington, D.C. Dulles Intl

Mon 7/21

4:30 pm-10:40 am

1 stop12h 10m

$521

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sun 8/17

12:00 pm-2:25 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

Mon 12/15

5:35 pm-11:10 am

1 stop11h 35m

$528

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Wed 8/20

10:20 am-3:50 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Sat 8/30

5:20 pm-9:40 am

1 stop10h 20m

$535

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Fri 6/27

7:00 am-3:15 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Sun 7/6

5:45 pm-7:15 am

Nonstop7h 30m

$544

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Sat 10/11

7:05 am-3:00 pm

1 stop13h 55m

Washington, D.C. Dulles Intl

Fri 10/24

4:35 pm-6:55 pm

1 stop20h 20m

$567

BrusselsWashington, D.C.

BRU - IAD

BRUIAD

Brussels Bruxelles-National

Mon 9/1

10:00 am-11:13 am

1 stop31h 13m

Washington, D.C. Dulles Intl

Mon 9/8

5:45 pm-7:15 am

Nonstop7h 30m

$570

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 32 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, August is the cheapest month in which you can book a flight from Belgium to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Belgium to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 June 12, 2025.

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 June 12, 2025.

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

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
See what other customers who have flown with Delta, Austrian Airlines and SWISS from Belgium to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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

    $439 is the cheapest one-way deal found within the past few days, from Scandinavian Airlines. You may also be able to find cheap deals on Aer Lingus and TAP AIR PORTUGAL, with prices starting from $508 and $539, 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: Air Canada (80%), Austrian Airlines (80%), SWISS (80%).

  • 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 $1,362, our data indicates the cheapest price to be $499. The most popular route (Brussels Bruxelles-National - Washington, D.C. Dulles Intl), is priced around $400.

  • 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, August is the cheapest month in which you can book a flight from Belgium to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Belgium to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 Belgium?

Book flights to Belgium if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
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Easton
Herndon
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Sterling
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National Harbor
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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.

Top 6 airlines flying from Belgium to Dulles Intl

Discover the top 6 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$405Average$690FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$456Average$556FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$468Average$619FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$470Average$643FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$487Average$640FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$518Average$712FlexibilityNo cancel feeOn-time76%

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