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Krong Preah Sihanouk

$781+ Cheap flights from O'Hare Intl (ORD) 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Krong Preah Sihanouk

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Krong Preah Sihanouk (KOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Round-trip from

$1,620
(FlightHub)

One-way from

$781
(FlightHub)
From Chicago O'Hare Intl to Krong Preah Sihanouk Sihanoukville
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One-way flight from Chicago O'Hare Intl to Krong Preah Sihanouk Sihanoukville
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Find flight deals from O'Hare Intl to Krong Preah Sihanouk

Cheapest flights from O'Hare Intl to Krong Preah Sihanouk
Explore the most affordable flight options available from O'Hare Intl to Krong Preah Sihanouk. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:30 pmORD - KOS
2 stops55h 00mMultiple Airlines
Fri 12/57:00 amKOS - ORD
2 stops25h 35mMultiple Airlines
Deal found 10/30$1,620

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 October 30, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Krong Preah Sihanouk that are best for you.

Fly from

O'Hare Intl

Fly to

Krong Preah Sihanouk

Route

Depart

Return

Price

ChicagoKrong Preah Sihanouk

ORD - KOS

ORDKOS

Chicago O'Hare Intl

Mon 12/1

11:30 pm-7:30 pm

2 stops55h 00m

Krong Preah Sihanouk Sihanoukville

Fri 12/5

7:00 am-7:35 pm

2 stops25h 35m

$1,620

ChicagoKrong Preah Sihanouk

ORD - KOS

ORDKOS

Chicago O'Hare Intl

Wed 11/5

11:30 pm-9:35 am

2 stops45h 05m

$781

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Best time to book a flight from O'Hare Intl to Krong Preah Sihanouk

Have a flexible travel schedule? Discover the best time to fly to Krong Preah Sihanouk from O'Hare Intl 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.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 Chicago O'Hare Intl?

    For a flight from Chicago O'Hare Intl 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. Sihanoukville is the only Krong Preah Sihanouk airport and it handles 0 inbound flights from Chicago O'Hare Intl per day. 0 airlines have flights to Krong Preah Sihanouk Sihanoukville from Chicago O'Hare Intl on a regular basis.

  • Can I find deals for flights from O'Hare Intl to Krong Preah Sihanouk that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Krong Preah Sihanouk flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl 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 O'Hare Intl to Krong Preah Sihanouk.

  • Can I find deals for business class flights from O'Hare Intl to Krong Preah Sihanouk?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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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Alternative routes for O'Hare Intl to Krong Preah Sihanouk

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