Cheap flights from Siem Reap to Krong Preah Sihanouk from $42

If you are unable to visit Krong Preah Sihanouk during the month of August, then departing from Siem Reap during the month May is also very affordable. Most momondo users find prices during this month for around $123.

Our data shows that Wednesday is the least expensive day to fly to Krong Preah Sihanouk. Tickets to fly out on this day can be as low as $117. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Siem Reap to Krong Preah Sihanouk for around $254.

Flying to Krong Preah Sihanouk from Siem Reap in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $140 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $219. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Siem Reap–Angkor Intl to Krong Preah Sihanouk Sihanoukville for the best Siem Reap–Angkor Intl - Krong Preah Sihanouk Sihanoukville flight prices

There is only 1 cabin class available to choose from on Siem Reap to Krong Preah Sihanouk flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of September 2026, prices for Siem Reap to Krong Preah Sihanouk flights are approximately 78% more expensive when compared to flights at the same time last year.

Historically, on average around 11% of flights between Siem Reap and Krong Preah Sihanouk have experienced a delay on any given week. The average delay length over the past 12 months has been 81 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Cambodia Angkor Air have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.