The cheapest times to fly from REP to HKG are

  • January 1st to January 14th
  • February 5th to March 25th
  • July 30th to September 23rd
  • 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 REP to HKG is late October to early November. Prices can be as high as $531 for Friday flights during early to mid April, or as low as $149 for Tuesday flights around late October to early November.


When to Fly to Hong Kong

Flying from Siem Reap (REP) to Hong Kong (HKG) will usually cost between $169 to $393 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October to early November with an average ticket price of $185. Due to high demand the most expensive time to fly is early to mid April, with an average price of $361. Planning your trip to low-cost times can easily save you $175 on economy flights and even more on first-class flights. Generally, any price below $265 can be considered a good price for a round-trip REP to HKG flight.

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

REP to HKG Flight Prices

Compared to other flights, the REP to HKG flight is much cheaper than the average and costs much less than the average flight leaving from Krong Siem Reap. The average price per mile (for a direct flight) is $0.18, which is 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 out or take a return trip. Selecting flights on the least expensive days could save you up to $85 (26%) 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 $224. Return trip prices are from the HKG 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 HKG can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 37 minutes may be realistic.


Flight Questions Answered

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

Which airlines fly this route?

You can find 33 major airlines flying this route most often: Air Busan, Air New Zealand, Air Seoul, AirAsia, Asiana, Bangkok Airways, Cambodia Angkor Air, Cathay Dragon, Cathay Pacific, Cebu Pacific, China Airlines, China Eastern, China Southern, EgyptAir, El Al, Emirates, EVA Air, Finnair, FlexFlight, Hong Kong Airlines, Hong Kong Express, Jetstar, Lanmei Airlines (Cambodia), Qantas, Shandong, Singapore Airlines, THAI, Thai AirAsia, Thai Smile, VietJet Air, Vietnam Airlines, Virgin Australia, Xiamen, and potentially more during busy seasons.

How far away is it from Hong Kong International Airport to Siem Reap International Airport?

The distance between the two airports is roughly 904 miles or 1455 kilometers.

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

The real-world flight time for a nonstop REP to HKG flight is about 2 hour 37 minutes.

How many flights go between Siem Reap and Hong Kong?

It depends on the day of the week and the date, but a typical day might have around 63 available flights from REP to HKG.


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 HKG
Destination airport name Hong Kong International Airport
City Hong Kong
Country Hong Kong
Latitude 22.3
Longitude 113.9


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.