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

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Cheap flight deals from Cambodia to Dulles Intl

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Everything you need to know about your flight from Cambodia to Washington, D.C. Dulles Intl Airport

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

Currently, March is the cheapest month in which you can book a flight from Cambodia to Washington, D.C. Dulles Intl Airport (average of $912). Flying from Cambodia to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $2,239). 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.

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown Korean Air and Air China from Cambodia to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very good

1,155 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Korean Air

8.4

Very good

1,155 reviews

Korean Air

8.4

Very good

1,155 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Air China

7.1

Good

119 reviews

Korean Air

8.4

Very good

1,155 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

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.
What is the cheapest month to book a flight from Cambodia to Washington, D.C. Dulles Intl Airport?
Currently, March is the cheapest month in which you can book a flight from Cambodia to Washington, D.C. Dulles Intl Airport (average of $912). Flying from Cambodia to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $2,239). 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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Top 2 airlines flying from Cambodia to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Air China	Cheapest$855	Average$937	FlexibilityNo cancel fee	On-time67%
Korean Air	Cheapest$1,477	Average$1,737	FlexibilityNo cancel fee	On-time81%

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Find cheap flights from Cambodia to Dulles Intl with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Cambodia to Dulles Intl

Keep the following information in mind while searching for Cambodia to Dulles Intl flight deals. Data was last updated October 30, 2025.

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Everything you need to know about your flight from Cambodia to Washington, D.C. Dulles Intl Airport

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

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown Korean Air and Air China from Cambodia to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Cambodia 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 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?

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

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 October 30, 2025.

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

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Cambodia to Dulles Intl flights

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Top 2 airlines flying from Cambodia to Dulles Intl

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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

Cheap flight deals from Cambodia to Dulles Intl

Keep the following information in mind while searching for Cambodia to Dulles Intl flight deals. Data was last updated October 30, 2025.

Most accurate provider

Most trusted provider

Cheapflights Insights

Everything you need to know about your flight from Cambodia to Washington, D.C. Dulles Intl Airport

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

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown Korean Air and Air China from Cambodia to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Cambodia 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 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?

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

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.

Top 2 airlines flying from Cambodia to Dulles Intl

100% Free

Book with Flexibility

Travel Smart