The cheapest times to fly from LAX to KOS are

  • January 1st to March 25th
  • May 14th to June 3rd (except the week of May 21st)
  • August 13th to August 26th
  • October 8th 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 LAX to KOS is mid November. Prices can be as high as $4709 for Thursday flights during early to mid May, or as low as $685 for Wednesday flights around mid November.


When to Fly to Sihanoukville

Flying from Los Angeles, CA (LAX) to Kompongsom (KOS) will usually cost between $781 to $1979 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid November with an average ticket price of $895. Due to high demand the most expensive time to fly is early to mid May, with an average price of $1968. Planning your trip to low-cost times can easily save you $1073 on economy flights and even more on first-class flights. Generally, any price below $1095 can be considered a good price for a round-trip LAX to KOS flight.

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

LAX to KOS Flight Prices

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


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to KOS, and Tuesday the cheapest day to fly back into LAX. Thursdays are the most expensive days to fly to Sihanoukville, and Saturdays are the most expensive days to return to Los Angeles. 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 Wednesday and returning a week later will cost an average of $1027. Return trip prices are from the KOS to LAX 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 LAX to KOS 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.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from LAX to KOS while comparing.

Destination alternative #1: Phnom Penh International Airport (PNH) in Phnom Penh

  • 102 miles (164 km) away from KOS
  • Usually 30.56% less expensive than KOS
  • 1-layover flights available

See LAX to PNH flights

Destination alternative #2: Phu Quoc International Airport (PQC) in Phu Quoc

  • 36 miles (58 km) away from KOS
  • Usually 25.31% less expensive than KOS
  • 1-layover flights available

See LAX to PQC flights


Flight Hacking LAX to KOS

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 LAX to KOS — but Champion Traveler does!

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

  • Price for both tickets: $776
  • Average savings: $319 (29.1%)

See LAX to KUL flights

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

  • Price for both tickets: $931
  • Average savings: $164 (14.98%)

See LAX to SGN flights

Hack #3: Fuzhou (LAX > FOC > KOS)

  • Price for both tickets: $1032
  • Average savings: $63 (5.76%)

See LAX to FOC flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 16 major airlines flying this route most often: Air Canada, American, ANA, Asiana, Cathay Pacific, China Airlines, China Southern, Delta, EVA Air, Hainan, JAL, Shenzhen, Sichuan Airlines, United, Vietnam Airlines, Xiamen, and potentially more during busy seasons.

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

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

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

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

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

It depends on the day of the week and the date, but a typical day might have around 11 available flights from LAX to KOS.


Airport Location Info


Departing Airport

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

Return Airport

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


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.