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

Currently, August is the cheapest month in which you can book a flight from Charleroi Brussels Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Charleroi Brussels Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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.

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.

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).

How far in advance should I book a flight from Charleroi Brussels Airport to Washington, D.C. Dulles Intl Airport?

Users have found that booking a flight from Charleroi Brussels Airport to Washington, D.C. Dulles Intl Airport at least 60 days early can save you up to 43% on average compared to booking a flight this week. If booking 60 days before your flight isn’t an option for you, users have found flights from Charleroi Brussels Airport to Washington, D.C. Dulles Intl Airport for as little as $583 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $826 for flights departing within the next 3 days.

What is the cheapest month to fly from Charleroi Brussels Airport to Washington, D.C. Dulles Intl Airport?

September can be a great time to fly to Washington, D.C. Dulles Intl Airport from Charleroi Brussels Airport with a flight ticket averaging about $593. Cheapflights users have found deals in the month of September for as cheap as $477. The most expensive prices can be found in the month of December.

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

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

Can I find deals for flights from Charleroi Brussels to Dulles Intl that include hotel bookings?

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

How can I find direct flights from Charleroi Brussels to Dulles Intl?

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

Can I find deals for business class flights from Charleroi Brussels to Dulles Intl?

Yes. Cheapflights offers flight deals from Charleroi Brussels 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.

$385+ Flights from Charleroi Brussels Airport to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Charleroi Brussels to Dulles Intl

Round-trip from	$753 (Mytrip)
One-way from	$385 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$633

From Charleroi Brussels to Washington, D.C. Dulles Intl

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One-way flight from Charleroi Brussels to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 8% potential increase in price ($51 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Cheapest flights from Charleroi Brussels to Dulles Intl
Explore the most affordable flight options available from Charleroi Brussels to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Mon 8/256:30 pmCRL - IAD

2 stops26h 50mMultiple Airlines

Mon 9/88:30 pmIAD - CRL

2 stops20h 25mMultiple Airlines

Deal found 7/1

$753

Best flights from Charleroi Brussels to Dulles Intl
Discover carefully curated flight deals from Charleroi Brussels to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Mon 8/256:30 pmCRL - IAD

2 stops26h 50mMultiple Airlines

Mon 9/88:30 pmIAD - CRL

2 stops20h 25mMultiple Airlines

Deal found 7/1

$753

Last-minute flights from Charleroi Brussels to Dulles Intl
Discover last-minute flight deals from Charleroi Brussels to Dulles Intl. Data last updated July 3, 2025 and is based on user searches.

Wed 7/911:05 amCRL - IAD

2 stops33h 35mMultiple Airlines

Fri 7/184:30 pmIAD - CRL

2 stops21h 40mMultiple Airlines

Deal found 7/3

$912

Mon 8/256:30 pmCRL - IAD

2 stops26h 50mMultiple Airlines

Mon 9/88:30 pmIAD - CRL

2 stops20h 25mMultiple Airlines

Deal found 7/1

$753

One-way flights from Charleroi Brussels to Dulles Intl
Search for one-way flight options from Charleroi Brussels to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Wed 9/107:15 amCRL - IAD

3 stops40h 57mMultiple Airlines

Deal found 7/1

$385

Cheapflights Fare Finder

Use the filters below to find and compare flights from Charleroi Brussels Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BrusselsWashington, D.C.

CRL - IAD

CRLIAD

Charleroi Brussels

Mon 8/25

6:30 pm-3:20 pm

2 stops26h 50m

Washington, D.C. Dulles Intl

Mon 9/8

8:30 pm-10:55 pm

2 stops20h 25m

$753

BrusselsWashington, D.C.

CRL - IAD

CRLIAD

Charleroi Brussels

Wed 9/10

7:15 am-6:12 pm

3 stops40h 57m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Charleroi Brussels to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Charleroi Brussels 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.

Related info for your journey

Can I find deals for flights from Charleroi Brussels to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Charleroi Brussels to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Charleroi Brussels to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleroi Brussels to Dulles Intl.
Can I find deals for business class flights from Charleroi Brussels to Dulles Intl?
Yes. Cheapflights offers flight deals from Charleroi Brussels 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 Charleroi Brussels Airport to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Charleroi Brussels Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Charleroi Brussels Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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.

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$385+ Cheap flights from Charleroi Brussels (CRL) 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Charleroi Brussels to Dulles Intl with Cheapflights

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Cheap flight deals from Charleroi Brussels to Dulles Intl

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Find flight deals from Charleroi Brussels to Dulles Intl

Cheapest flights from Charleroi Brussels to Dulles IntlExplore the most affordable flight options available from Charleroi Brussels to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Charleroi Brussels to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Charleroi Brussels Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Charleroi Brussels to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Charleroi Brussels with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Charleroi Brussels to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Charleroi Brussels to Dulles Intl that include hotel bookings?

How can I find direct flights from Charleroi Brussels to Dulles Intl?

Can I find deals for business class flights from Charleroi Brussels to Dulles Intl?

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

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Cheapest flights from Charleroi Brussels to Dulles Intl
Explore the most affordable flight options available from Charleroi Brussels to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.