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Krong Preah Sihanouk

$860+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOS
Sep 2 — Sep 91
Wed 9/2
Wed 9/9
1 adult, Economy
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Cheap 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 August 3, 2026.

This Bravofly deal was found by Cheapflights users on 8/2. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:30 am
ORD
-
KOS
2 stops31h 10m
Multiple Airlines
Wed 9/239:50 am
KOS
-
ORD
2 stops46h 55m
Multiple Airlines
Deal found 8/2$1,294
This Bravofly deal was found by Cheapflights users on 7/31. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:30 am
ORD
-
KOS
2 stops31h 10m
Multiple Airlines
Sun 9/209:50 am
KOS
-
ORD
2 stops46h 55m
Multiple Airlines
Deal found 7/31$1,311
This Qatar Airways deal was found by Cheapflights users on 7/29. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:20 pm
ORD
-
KOS
2 stops36h 20m
Multiple Airlines
Sat 9/199:50 am
KOS
-
ORD
2 stops41h 15m
Multiple Airlines
Deal found 7/29$1,631

Find 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 August 3, 2026.

Round-trip from

$1,294
(Bravofly)

One-way from

$860
(Qatar Airways)
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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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 August 3, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoKrong Preah Sihanouk

ORD - KOS

ORDKOS

Chicago O'Hare Intl

Tue 9/15

12:30 am-7:40 pm

2 stops31h 10m

Krong Preah Sihanouk Sihanoukville

Wed 9/23

9:50 am-8:45 pm

2 stops46h 55m

$1,294

ChicagoKrong Preah Sihanouk

ORD - KOS

ORDKOS

Chicago O'Hare Intl

Sat 9/12

12:30 am-7:40 pm

2 stops31h 10m

Krong Preah Sihanouk Sihanoukville

Sun 9/20

9:50 am-3:05 pm

2 stops41h 15m

$1,324

ChicagoKrong Preah Sihanouk

ORD - KOS

ORDKOS

Chicago O'Hare Intl

Sat 9/12

7:20 pm-7:40 pm

2 stops36h 20m

Krong Preah Sihanouk Sihanoukville

Sat 9/19

9:50 am-3:05 pm

2 stops41h 15m

$1,631
Quickest round-trip

ChicagoKrong Preah Sihanouk

ORD - KOS

ORDKOS

Chicago O'Hare Intl

Mon 9/14

7:20 pm-1:00 pm

2 stops29h 40m

Krong Preah Sihanouk Sihanoukville

Mon 9/21

1:30 pm-3:05 pm

2 stops37h 35m

$1,734
Cheapest one-way
Quickest one-way

ChicagoKrong Preah Sihanouk

ORD - KOS

ORDKOS

Chicago O'Hare Intl

Sun 9/13

7:20 pm-9:15 am

2 stops49h 55m

$860

ChicagoKrong Preah Sihanouk

ORD - KOS

ORDKOS

Chicago O'Hare Intl

Mon 9/14

7:00 pm-7:40 pm

3 stops60h 40m

$1,034

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Sorted by cheapest first

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?

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Kampot

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