The cheapest times to fly from LAX to REP are

  • February 19th to April 22nd
  • 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 LAX to REP is late November to early December. Prices can be as high as $1532 for Saturday flights during mid December, or as low as $627 for Tuesday flights around late November to early December.


When to Fly to Krong Siem Reap

Flying from Los Angeles, CA (LAX) to Siem Reap (REP) will usually cost between $666 to $1257 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late November to early December with an average ticket price of $664. Due to high demand the most expensive time to fly is mid December, with an average price of $1430. Planning your trip to low-cost times can easily save you $767 on economy flights and even more on first-class flights. Generally, any price below $807 can be considered a good price for a round-trip LAX to REP flight.

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

LAX to REP Flight Prices

Compared to other flights, the LAX to REP flight is cheaper than the average and costs less than the average flight leaving from Los Angeles. The average price per mile (for a direct flight) is $0.06, 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. Saturdays are the most expensive days to fly to Krong Siem Reap, and Fridays are the most expensive days to return to Los Angeles. 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 $845. Return trip prices are from the REP 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 REP 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.


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 REP while comparing.

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

  • 146 miles (235 km) away from REP
  • Usually 5.82% less expensive than REP
  • 1-layover flights available

See LAX to PNH flights


Flight Hacking LAX to REP

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 REP — but Champion Traveler does!

Hack #1: Hong Kong (LAX > HKG > REP)

  • Price for both tickets: $775
  • Average savings: $32 (3.97%)

See LAX to HKG flights

Hack #2: Kuala Lumpur (LAX > KUL > REP)

  • Price for both tickets: $777
  • Average savings: $30 (3.72%)

See LAX to KUL flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 31 major airlines flying this route most often: Aeromexico, Air Canada, Alaska, American, ANA, Asiana, Austrian, Avianca, Bangkok Airways, Cathay Dragon, Cathay Pacific, China Airlines, China Eastern, China Southern, Delta, Emirates, Etihad, EVA Air, Frontier, Hainan, JAL, JetBlue, KLM, Qantas, Qatar Airways, Sichuan Airlines, Singapore Airlines, THAI, United, Vietnam Airlines, Xiamen, and potentially more during busy seasons.

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

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

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

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

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

It depends on the day of the week and the date, but a typical day might have around 86 available flights from LAX to REP.


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


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.