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Krong Preah Sihanouk

$777+ Cheap flights from Illinois 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Illinois to Krong Preah Sihanouk

Keep the following information in mind while searching for Illinois to Krong Preah Sihanouk flight deals. Data was last updated July 3, 2025.

Round-trip from

$1,398
(Trip.com)

One-way from

$777
(Flightnetwork)
From Illinois to Krong Preah Sihanouk Sihanoukville
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One-way flight from Illinois to Krong Preah Sihanouk Sihanoukville
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Find flight deals from Illinois to Krong Preah Sihanouk

Cheapest flights from Illinois to Krong Preah Sihanouk
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 July 3, 2025.

This Trip.com deal was found by Cheapflights users on 7/1. 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.
Fri 8/1512:30 pmORD - KOS
2 stops32h 45mMultiple Airlines
Fri 8/2210:15 amKOS - ORD
2 stops35h 25mMultiple Airlines
Deal found 7/1$1,398

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 July 3, 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

Fri 8/15

12:30 pm-9:15 am

2 stops32h 45m

Krong Preah Sihanouk Sihanoukville

Fri 8/22

10:15 am-9:40 am

2 stops35h 25m

$1,398

ChicagoKrong Preah Sihanouk

ORD - KOS

ORDKOS

Chicago O'Hare Intl

Thu 8/14

12:30 am-9:15 am

2 stops44h 45m

$777

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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
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 Illinois 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 Illinois 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 Illinois?

    Krong Preah Sihanouk Sihanoukville (KOS), located 7.8 mi from the city center, is the airport you fly into when you book flights from Illinois to Krong Preah Sihanouk.

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

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

  • How can I find direct flights from Illinois 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 Illinois to Krong Preah Sihanouk.

  • Can I find deals for business class flights from Illinois to Krong Preah Sihanouk?

    Yes. Cheapflights offers flight deals from Illinois 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

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Kampot

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