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Krong Preah Sihanouk

$1,416+ Cheap flights from District of Columbia to Krong Preah Sihanouk (KOS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KOS
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from District of Columbia to Krong Preah Sihanouk

Keep the following information in mind while searching for District of Columbia to Krong Preah Sihanouk flight deals. Data was last updated January 8, 2026.

Round-trip from

$1,416
(Gotogate)
From District of Columbia to Krong Preah Sihanouk Sihanoukville
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Find flight deals from District of Columbia to Krong Preah Sihanouk

Cheapest flights from District of Columbia to Krong Preah Sihanouk
Explore the most affordable flight options available from District of Columbia to Krong Preah Sihanouk. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This Gotogate deal was found by Cheapflights users on 1/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:05 pmIAD - KOS
2 stops49h 30mMultiple Airlines
Sun 3/110:45 amKOS - IAD
2 stops65h 10mMultiple Airlines
Deal found 1/8$1,416

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 January 8, 2026.
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

Sun 2/22

8:05 pm-9:35 am

2 stops49h 30m

Krong Preah Sihanouk Sihanoukville

Sun 3/1

10:45 am-3:55 pm

2 stops65h 10m

$1,416

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

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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