The cheapest times to fly from REP to LAX are

  • February 12th to April 15th
  • August 20th to December 2nd

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 REP to LAX is late October. Prices can be as high as $1836 for Friday flights during early January, or as low as $706 for Tuesday flights around late October.


When to Fly to Los Angeles

Flying from Siem Reap (REP) to Los Angeles, CA (LAX) will usually cost between $782 to $1308 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $733. Due to high demand the most expensive time to fly is early January, with an average price of $1405. Planning your trip to low-cost times can easily save you $672 on economy flights and even more on first-class flights. Generally, any price below $873 can be considered a good price for a round-trip REP to LAX flight.

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

REP to LAX Flight Prices

Compared to other flights, the REP to LAX flight is cheaper than the average and costs less than the average flight leaving from Krong Siem Reap. The average price per mile (for a direct flight) is $0.07, 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. Fridays are the most expensive days to fly to Los Angeles, and Saturdays are the most expensive days to return to Krong Siem Reap. Selecting flights on the least expensive days could save you up to $63 (7%) 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 $897. Return trip prices are from the LAX to REP 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 REP 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 39 minutes may not be realistic.


Flight Hacking REP 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 REP to LAX — but Champion Traveler does!

Hack #1: Shanghai (REP > PVG > LAX)

  • Price for both tickets: $829
  • Average savings: $44 (5.04%)

See REP to flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 24 major airlines flying this route most often: American, ANA, Asiana, Austrian, Bangkok Airways, British Airways, Cathay Dragon, Cathay Pacific, China Airlines, China Eastern, China Southern, Delta, Etihad, EVA Air, Garuda Indonesia, JAL, KLM, Qantas, Qatar Airways, Sichuan Airlines, Singapore Airlines, THAI, Vietnam Airlines, Xiamen, and potentially more during busy seasons.

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

The distance between the two airports is roughly 8145 miles or 13108 kilometers.

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

The real-world flight time for a nonstop REP to LAX flight is about 15 hour 39 minutes.

How many flights go between Siem Reap and Los Angeles, CA?

It depends on the day of the week and the date, but a typical day might have around 14 available flights from REP to LAX.


Airport Location Info


Departing Airport

Origination code REP
Origination airport name Siem Reap International Airport
City Siem Reap
Country Cambodia
Latitude 13.4
Longitude 103.8

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.