The cheapest times to fly from KOS to KUL are

  • early January
  • February 5th to April 1st
  • August 20th to December 9th

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 KUL is early November. Prices can be as high as $263 for Monday flights during early to mid May, or as low as $69 for Tuesday flights around early November.


When to Fly to Kuala Lumpur

Flying from Kompongsom (KOS) to Kuala Lumpur (KUL) will usually cost between $82 to $146 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $83. Due to high demand the most expensive time to fly is early to mid May, with an average price of $161. Planning your trip to low-cost times can easily save you $78 on economy flights and even more on first-class flights. Generally, any price below $114 can be considered a good price for a round-trip KOS to KUL flight.

See below for a graph of average weekly prices for the KOS to KUL route. All prices are for round-trip tickets in USD.

KOS to KUL Flight Prices

Compared to other flights, the KOS to KUL flight is much cheaper than the average and costs much less than the average flight leaving from Sihanoukville. The average price per mile (for a direct flight) is $0.13, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Mondays are the most expensive days to fly to Kuala Lumpur, and Saturdays are the most expensive days to return to Sihanoukville. Selecting flights on the least expensive days could save you up to $13 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $111. Return trip prices are from the KUL to KOS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from KOS to KUL can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 59 minutes may be realistic.


Flight Questions Answered

Still have questions about flying from KOS to KUL? We’ve got answers.

Which airlines fly this route?

You can find 20 major airlines flying this route most often: Air New Zealand, AirAsia, Bangkok Airways, Cambodia Angkor Air, China Airlines, China Southern, EVA Air, Hainan, JAL, JC (Cambodia) International, Lanmei Airlines (Cambodia), Lucky Air, Malaysia Airlines, Malindo Air, Sichuan Airlines, Singapore Airlines, Thai AirAsia, Vietnam Airlines, Virgin Australia, Xiamen, and potentially more during busy seasons.

How far away is it from Kuala Lumpur International Airport to Kompongsom Airport?

The distance between the two airports is roughly 560 miles or 901 kilometers.

How long does it take to fly from KOS to KUL?

The real-world flight time for a nonstop KOS to KUL flight is about 1 hour 59 minutes.

How many flights go between Kompongsom and Kuala Lumpur?

It depends on the day of the week and the date, but a typical day might have around 16 available flights from KOS to KUL.


Airport Location Info


Departing Airport

Origination code KOS
Origination airport name Kompongsom Airport
City Kompongsom
Country Cambodia
Latitude 10.6
Longitude 103.7

Return Airport

Destination code KUL
Destination airport name Kuala Lumpur International Airport
City Kuala Lumpur
Country Malaysia
Latitude 2.7
Longitude 101.7


Other Resources

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.