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Krong Preah Sihanouk

$706+ Cheap flights from District of Columbia to Krong Preah Sihanouk (KOS)

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KOS
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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Find flight deals from District of Columbia to Krong Preah Sihanouk

One-way flights from District of Columbia to Krong Preah Sihanouk
Search for one-way flight options from District of Columbia to Krong Preah Sihanouk. Find affordable one-way fares based on user searches. Data last updated November 19, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/72:35 pmIAD - KOS
3 stops34h 30mMultiple Airlines
Deal found 11/19$706
This oojo deal was found by Cheapflights users on 11/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/76:56 pmDCA - KOS
2 stops50h 39mMultiple Airlines
Deal found 11/19$1,107

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to Krong Preah Sihanouk 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 November 19, 2025.
Use the filters below to find and compare flights from District of Columbia to Krong Preah Sihanouk that are best for you.

Fly from

District of Columbia

Fly to

Krong Preah Sihanouk

Route

Depart

Return

Price

Washington, D.C.Krong Preah Sihanouk

IAD - KOS

IADKOS

Washington, D.C. Dulles Intl

Wed 1/7

2:35 pm-1:05 pm

3 stops34h 30m

$706

Washington, D.C.Krong Preah Sihanouk

DCA - KOS

DCAKOS

Washington, D.C. Reagan-National

Wed 1/7

6:56 pm-9:35 am

2 stops50h 39m

$1,107

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Best time to book a flight from District of Columbia to Krong Preah Sihanouk

Have a flexible travel schedule? Discover the best time to fly to Krong Preah Sihanouk from District of Columbia 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 District of Columbia to Krong Preah Sihanouk
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Krong Preah Sihanouk. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Krong Preah Sihanouk from District of Columbia?

    For a flight from District of Columbia to Krong Preah Sihanouk, you will be flying into Sihanoukville. Krong Preah Sihanouk Sihanoukville (KOS) is just 7.8 mi from the center of the city.

  • Can I find deals for flights from District of Columbia to Krong Preah Sihanouk that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Krong Preah Sihanouk flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Krong Preah Sihanouk?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Krong Preah Sihanouk.

  • Can I find deals for business class flights from District of Columbia to Krong Preah Sihanouk?

    Yes. Cheapflights offers flight deals from District of Columbia to Krong Preah Sihanouk by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Krong Preah Sihanouk?

Book flights to Krong Preah Sihanouk if you plan to visit one of these locations
Kampot

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