$3,413+ Cheap flights from O'Hare Intl (ORD) 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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOS
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Krong Preah Sihanouk with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from O'Hare Intl to Krong Preah Sihanouk
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Cheapest flights from O'Hare Intl to Krong Preah SihanoukExplore 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 November 4, 2026.
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 November 4, 2026.
This oojo deal was found by Cheapflights users on 11/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1811:30 pm -
2 stops46h 10m
Fri 12/251:50 pm -
2 stops42h 45m
Deal found 11/3![Multiple Airlines logo]()
$3,413
Best flights from O'Hare Intl to Krong Preah SihanoukDiscover carefully curated flight deals from O'Hare Intl to Krong Preah Sihanouk that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from O'Hare Intl to Krong Preah Sihanouk that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
This oojo deal was found by Cheapflights users on 11/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1811:30 pm -
2 stops46h 10m
Fri 12/251:50 pm -
2 stops42h 45m
Deal found 11/3![Multiple Airlines logo]()
$3,413
Last-minute flights from O'Hare Intl to Krong Preah SihanoukDiscover last-minute flight deals from O'Hare Intl to Krong Preah Sihanouk. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Krong Preah Sihanouk. Data last updated November 4, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 11/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1811:30 pm -
2 stops46h 10m
Fri 12/251:50 pm -
2 stops42h 45m
Deal found 11/3![Multiple Airlines logo]()
$3,413
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 November 4, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $3,413 (oojo) |
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 7,457,451 searches. Data last updated November 4, 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
Cheapest round-trip
Quickest round-trip
ChicagoKrong Preah Sihanouk
ORD Chicago O'Hare Intl - KOS Krong Preah Sihanouk Sihanoukville
ORDKOS
Chicago O'Hare Intl
Fri 12/18
11:30 pm-10:40 am
2 stops46h 10m
Krong Preah Sihanouk Sihanoukville
Fri 12/25
1:50 pm-7:35 pm
2 stops42h 45m
$3,413
Sorted by cheapest first
Compare providers for flights from O'Hare Intl to Krong Preah Sihanouk
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Krong Preah Sihanouk in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Krong Preah Sihanouk flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Chicago O'Hare Intl Airport-Krong Preah Sihanouk flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Krong Preah Sihanouk flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Krong Preah Sihanouk flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Krong Preah Sihanouk flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
ORD-KOS
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.
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