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Cheap flights from Chicago O'Hare Intl Airport to Krong Preah Sihanouk from $1,674

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Krong Preah Sihanouk departing on 4/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Krong Preah Sihanouk

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:30 am - 9:15 am
ORD
-
KOS
44h 45m
2 stops
Multiple Airlines Logo
1:30 pm - 11:27 pm
KOS
-
ORD
45h 57m
3 stops
$1,674Multiple Airlines
Sun, Apr 12 - Mon, Apr 20
Multiple Airlines Logo
12:30 am - 9:15 am
ORD
-
KOS
44h 45m
2 stops
Multiple Airlines Logo
1:30 pm - 9:40 am
KOS
-
ORD
32h 10m
2 stops
$1,723Multiple Airlines
Sun, Apr 12 - Mon, Apr 20

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated March 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

Price

ChicagoKrong Preah Sihanouk

ORD - KOS

ORDKOS

Chicago O'Hare Intl

Sun 4/12

12:30 am-9:15 am

2 stops44h 45m

Krong Preah Sihanouk Sihanoukville

Mon 4/20

1:30 pm-11:27 pm

3 stops45h 57m

$1,674

ChicagoKrong Preah Sihanouk

ORD - KOS

ORDKOS

Chicago O'Hare Intl

Sun 4/12

12:30 am-9:15 am

2 stops44h 45m

Krong Preah Sihanouk Sihanoukville

Mon 4/20

1:30 pm-9:40 am

2 stops32h 10m

$1,723

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago O'Hare Intl Airport to Krong Preah Sihanouk

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Krong Preah Sihanouk according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Krong Preah Sihanouk (ORD to KOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Krong Preah Sihanouk

Fastest flight time

59h 05m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Krong Preah Sihanouk takes 59h 05m
There are no direct flights from Chicago O'Hare Intl Airport to Krong Preah Sihanouk. There are no popular flight routes from Chicago O'Hare Intl Airport to Krong Preah Sihanouk.
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  • How far is Chicago O'Hare Intl to Krong Preah Sihanouk Sihanoukville by plane?

    The straight-line distance from Chicago O'Hare Intl to Krong Preah Sihanouk Sihanoukville is 8725.4 mi. A reasonable flight in good conditions will take 59h 05m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Krong Preah Sihanouk Sihanoukville Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Krong Preah Sihanouk Sihanoukville Airport refresh daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Krong Preah Sihanouk Sihanoukville Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Krong Preah Sihanouk Sihanoukville Airport.

  • What documentation or ID do you need to fly to Krong Preah Sihanouk Sihanoukville Airport?

    The required travel and health documents for your Krong Preah Sihanouk Sihanoukville Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Krong Preah Sihanouk Sihanoukville Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Krong Preah Sihanouk?

    Confirm your travel details to search for the latest offers for flights from Chicago O'Hare Intl Airport to Krong Preah Sihanouk. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Chicago O'Hare Intl Airport to Krong Preah Sihanouk with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Krong Preah Sihanouk?

Book flights to Krong Preah Sihanouk if you plan to visit one of these locations
Kampot

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Krong Preah Sihanouk?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Krong Preah Sihanouk from Chicago.

Can I find flights from Chicago to Krong Preah Sihanouk with flexible booking policies on momondo?

All flight searches from Chicago to Krong Preah Sihanouk on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Chicago to Krong Preah Sihanouk?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Krong Preah Sihanouk.

I’m not ready to book a flight from Chicago to Krong Preah Sihanouk right now. Can momondo alert me if prices change?

Price alerts on flights to Krong Preah Sihanouk from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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