The cheapest times to fly from KOS to LAX are

  • January 15th to March 18th
  • October 8th to December 31st

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 LAX is early to mid October. Prices can be as high as $2494 for Saturday flights during late July, or as low as $605 for Tuesday flights around early to mid October.


When to Fly to Los Angeles

Flying from Kompongsom (KOS) to Los Angeles, CA (LAX) will usually cost between $705 to $1630 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid October with an average ticket price of $780. Due to high demand the most expensive time to fly is late July, with an average price of $1909. Planning your trip to low-cost times can easily save you $1129 on economy flights and even more on first-class flights. Generally, any price below $1106 can be considered a good price for a round-trip KOS to LAX flight.

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

KOS to LAX Flight Prices

Compared to other flights, the KOS to LAX flight is slightly more expensive than the average and costs less than the average flight leaving from Sihanoukville. The average price per mile (for a direct flight) is $0.08, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to LAX, and Wednesday the cheapest day to fly back into KOS. Saturdays are the most expensive days to fly to Los Angeles, and Thursdays are the most expensive days to return to Sihanoukville. Selecting flights on the least expensive days could save you up to $510 (34%) 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 $849. Return trip prices are from the LAX 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 LAX can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 15 hour 55 minutes may not be realistic.


Flight Hacking KOS to LAX

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 LAX — but Champion Traveler does!

Hack #1: Kuala Lumpur (KOS > KUL > LAX)

  • Price for both tickets: $875
  • Average savings: $231 (20.9%)

See KOS to SGN flights

Hack #2: Ho Chi Minh City (KOS > SGN > LAX)

  • Price for both tickets: $974
  • Average savings: $132 (11.94%)

See KOS to KUL flights

Hack #3: Kunming (KOS > KMG > LAX)

  • Price for both tickets: $992
  • Average savings: $114 (10.31%)

See KOS to KMG flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 13 major airlines flying this route most often: Air Canada, American, Cathay Pacific, China Airlines, China Southern, Delta, EVA Air, Hainan, Shenzhen, Sichuan Airlines, United, Vietnam Airlines, Xiamen, and potentially more during busy seasons.

How far away is it from Los Angeles International Airport to Kompongsom Airport?

The distance between the two airports is roughly 8301 miles or 13359 kilometers.

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

The real-world flight time for a nonstop KOS to LAX flight is about 15 hour 55 minutes.

How many flights go between Kompongsom and Los Angeles, CA?

It depends on the day of the week and the date, but a typical day might have around 10 available flights from KOS to LAX.


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 LAX
Destination airport name Los Angeles International Airport
City Los Angeles, CA
Country the United States
Latitude 33.9
Longitude -118.4


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.