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).

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

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

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

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

How can I find direct flights from Cambodia to Dulles Intl?

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

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

Yes. Cheapflights offers flight deals from Cambodia 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.

Find Cheap Flights from Cambodia to Washington, D.C. Dulles Intl Airport

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Related info for your journey

Can I find deals for flights from Cambodia to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Cambodia to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Cambodia to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cambodia to Dulles Intl.
Can I find deals for business class flights from Cambodia to Dulles Intl?
Yes. Cheapflights offers flight deals from Cambodia 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.

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Find cheap flights from Cambodia to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Related info for your journey

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

How can I find direct flights from Cambodia to Dulles Intl?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cambodia to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 10, 2026.

Search flights from Cambodia to Dulles Intl by cabin class

Find flights from Cambodia to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Cambodia and Dulles Intl flights

Browse other Cambodia and Dulles Intl flight options. Last updated on August 10, 2026.

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Cheap flights from Cambodia to Dulles Intl (IAD)

Find cheap flights from Cambodia to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Related info for your journey

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

How can I find direct flights from Cambodia to Dulles Intl?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cambodia to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 10, 2026.

Search flights from Cambodia to Dulles Intl by cabin class

Find flights from Cambodia to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Cambodia and Dulles Intl flights

Browse other Cambodia and Dulles Intl flight options. Last updated on August 10, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

100% Free

Book with Flexibility

Travel Smart