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Cheap flights from Washington, D.C. Dulles Intl Airport to Cambodia from $1,135

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Cambodia departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Cambodia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:05 pm - 9:35 amIAD-KOS
25h 30m2 stops
Multiple Airlines Logo
10:45 am - 8:20 amKOS-IAD
57h 35m2 stops
$1,135Multiple Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 21
Multiple Airlines Logo
8:05 pm - 9:35 amIAD-KOS
49h 30m2 stops
Multiple Airlines Logo
10:45 am - 8:20 amKOS-IAD
57h 35m2 stops
$1,184Multiple Airlines
Find Deal
Fri, Nov 28 - Fri, Dec 5
Multiple Airlines Logo
8:05 pm - 9:35 amIAD-KOS
49h 30m2 stops
Multiple Airlines Logo
1:35 pm - 11:45 amKOS-IAD
34h 10m3 stops
$1,497Multiple Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 21
Multiple Airlines Logo
8:05 pm - 4:00 pmIAD-KOS
55h 55m3 stops
Multiple Airlines Logo
8:15 am - 3:55 pmKOS-IAD
43h 40m2 stops
$1,905Multiple Airlines
Find Deal
Fri, Nov 28 - Fri, Dec 5
Multiple Airlines Logo
9:45 am - 9:35 amIAD-KOS
35h 50m3 stops
Multiple Airlines Logo
1:35 pm - 11:45 amKOS-IAD
34h 10m3 stops
$2,066Multiple Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 21

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Cambodia 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, momondo users made 832,500 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Cambodia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Krong Preah Sihanouk

IAD - KOS

IADKOS

Washington, D.C. Dulles Intl

Mon 1/12

8:05 pm-9:35 am

2 stops25h 30m

Krong Preah Sihanouk Sihanoukville

Wed 1/21

10:45 am-8:20 am

2 stops57h 35m

$1,135

Washington, D.C.Krong Preah Sihanouk

IAD - KOS

IADKOS

Washington, D.C. Dulles Intl

Fri 11/28

8:05 pm-9:35 am

2 stops49h 30m

Krong Preah Sihanouk Sihanoukville

Fri 12/5

10:45 am-8:20 am

2 stops57h 35m

$1,184

Washington, D.C.Krong Preah Sihanouk

IAD - KOS

IADKOS

Washington, D.C. Dulles Intl

Mon 1/12

8:05 pm-9:35 am

2 stops49h 30m

Krong Preah Sihanouk Sihanoukville

Wed 1/21

1:35 pm-11:45 am

3 stops34h 10m

$1,497

Washington, D.C.Krong Preah Sihanouk

IAD - KOS

IADKOS

Washington, D.C. Dulles Intl

Fri 11/28

8:05 pm-4:00 pm

3 stops55h 55m

Krong Preah Sihanouk Sihanoukville

Fri 12/5

8:15 am-3:55 pm

2 stops43h 40m

$1,905

Washington, D.C.Krong Preah Sihanouk

IAD - KOS

IADKOS

Washington, D.C. Dulles Intl

Mon 1/12

9:45 am-9:35 am

3 stops35h 50m

Krong Preah Sihanouk Sihanoukville

Wed 1/21

1:35 pm-11:45 am

3 stops34h 10m

$2,066

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Cambodia from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Cambodia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Cambodia?

In general, September is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Cambodia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,344. The month of October is another great option to travel to Cambodia, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $1,365.

What is the cheapest day to depart on your flight to Cambodia?

The cheapest day to depart on your flight to Cambodia is on a Friday when prices can be found for as low as $1,505. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Cambodia is Wednesday, with ticket prices averaging around $1,705.

What is the cheapest time of day to depart on your flight to Cambodia?

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to Cambodia flights are usually those with departure times in the evening. Our users have found flights to Cambodia in the evening for as low as $1,328. In contrast, the most expensive time of day to depart to Cambodia is at noon when prices are around $1,852.

How far in advance should I book a flight to Cambodia?

You are more likely to see cheaper flights to Cambodia from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambodia for around $1,635 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cambodia from Washington, D.C. Dulles Intl Airport for as low as $1,396 on momondo.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Cambodia flights?

You could potentially save up to 15% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Cambodia flight.

Cheap Washington, D.C. Dulles Intl Airport to Cambodia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Cambodia

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Cambodia. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Cambodia.
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  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Cambodia?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Cambodia were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Cambodia?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Cambodia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Cambodia.

  • What documentation or ID do you need to fly to Cambodia?

    The travel and health documents you'll need for your trip to Cambodia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cambodia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Cambodia

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Cambodia with momondo
Airline
Rating
Free Cancellation
Price
Etihad AirwaysPriceFrom $1,074Free CancellationRating
7.4
1,280 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $1,299Free CancellationRating
7.4
3,652 reviews
Search Qatar Airways flights
Korean AirPriceFrom $1,301Free CancellationRating
8.4
1,149 reviews
Search Korean Air flights
Singapore AirlinesPriceFrom $1,311Free CancellationRating
8.1
1,382 reviews
Search Singapore Airlines flights
Malaysia AirlinesPriceFrom $1,334Free CancellationRating
7.3
278 reviews
Search Malaysia Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Cambodia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Cambodia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Cambodia with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Cambodia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Cambodia?

Once all potential Washington, D.C. to Cambodia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Cambodia right now. Can momondo alert me if prices change?

Price alerts on flights to Cambodia from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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