$1,806+ Cheap flights from Illinois 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOS
Apr 9 — Apr 161
1 adult, Economy
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Keep the following information in mind while searching for Illinois to Krong Preah Sihanouk flight deals. Data was last updated April 4, 2025.
Round-trip from | $1,806 (Trip.com) |
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Find flight deals from Illinois to Krong Preah Sihanouk
Cheapest flights from Illinois to Krong Preah SihanoukExplore the most affordable flight options available from Illinois to Krong Preah Sihanouk. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.
Explore the most affordable flight options available from Illinois to Krong Preah Sihanouk. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.
This Trip.com deal was found by Cheapflights users on 4/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1812:30 amORD - KOS
2 stops48h 30mMultiple Airlines
Mon 5/261:30 pmKOS - ORD
2 stops67h 30mMultiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$1,806
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois 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 April 4, 2025.
Use the filters below to find and compare flights from Illinois to Krong Preah Sihanouk that are best for you.
Fly from
Illinois
Fly to
Krong Preah Sihanouk
Route
Depart
Return
Price
ChicagoKrong Preah Sihanouk
ORD - KOS
ORDKOS
Chicago O'Hare Intl
Sun 5/18
12:30 am-1:00 pm
2 stops48h 30m
Krong Preah Sihanouk Sihanoukville
Mon 5/26
1:30 pm-9:00 pm
2 stops67h 30m
$1,806
Best time to book a flight from Illinois to Krong Preah Sihanouk
Have a flexible travel schedule? Discover the best time to fly to Krong Preah Sihanouk from Illinois with our price prediction graph.
Estimated round-trip price
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