The cheapest times to fly from KOS to ORD are
- April 2nd to July 22nd (except the weeks of June 25th and July 9th)
- October 8th to December 9th (except the weeks of October 15th and November 19th)
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from KOS to ORD is mid May. Prices can be as high as $13600 for Saturday flights during late January and early February, or as low as $1046 for Friday flights around mid May.
When to Fly to Chicago
Flying from Kompongsom (KOS) to Chicago, IL (ORD) will usually cost between $1620 to $6031 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid May with an average ticket price of $1723. Due to high demand the most expensive time to fly is late January and early February, with an average price of $5604. Planning your trip to low-cost times can easily save you $3881 on economy flights and even more on first-class flights. Generally, any price below $3746 can be considered a good price for a round-trip KOS to ORD flight.
See below for a graph of average weekly prices for the KOS to ORD route. All prices are for round-trip tickets in USD.
Compared to other flights, the KOS to ORD flight is more expensive than the average and costs more than the average flight leaving from Sihanoukville. The average price per mile (for a direct flight) is $0.27, which is below average.
Flight Prices by Day of the Week
Friday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to Chicago, and Thursdays are the most expensive days to return to Sihanoukville. Selecting flights on the least expensive days could save you up to $2065 (33%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Friday and returning a week later will cost an average of $3270. Return trip prices are from the ORD to KOS flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from KOS to ORD can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 16 hour 42 minutes may not be realistic.
Flight Hacking KOS to ORD
Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from KOS to ORD — but Champion Traveler does!
- Price for both tickets: $1074
- Average savings: $2672 (71.33%)
- Price for both tickets: $1092
- Average savings: $2655 (70.86%)
- Price for both tickets: $1324
- Average savings: $2422 (64.66%)
Flight Questions Answered
Still have questions about flying from KOS to ORD? We’ve got answers.
Which airlines fly this route?
You can find 15 major airlines flying this route most often: Air Canada, American, ANA, Cathay Pacific, China Airlines, China Southern, Delta, EVA Air, Hainan, JAL, KLM, Sichuan Airlines, United, Vietnam Airlines, Xiamen, and potentially more during busy seasons.
How far away is it from Chicago O’Hare International Airport to Kompongsom Airport?
The distance between the two airports is roughly 8729 miles or 14048 kilometers.
How long does it take to fly from KOS to ORD?
The real-world flight time for a nonstop KOS to ORD flight is about 16 hour 42 minutes.
How many flights go between Kompongsom and Chicago, IL?
It depends on the day of the week and the date, but a typical day might have around 8 available flights from KOS to ORD.
Airport Location Info
|Origination airport name||Kompongsom Airport|
|Destination airport name||Chicago O’Hare International Airport|
|Country||the United States|
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.