Cheap flights from Siem Reap to Krong Preah Sihanouk from £91

The month of February is, on average, the cheapest month to fly to Krong Preah Sihanouk from Siem Reap, with most prices found around £118. The month of December is another great option to travel to Krong Preah Sihanouk, with average flight prices from Siem Reap averaging around £120.

According to our data, Tuesday is the cheapest day to fly to Krong Preah Sihanouk from Siem Reap. The lowest ticket price found for a Tuesday departure recently was £134. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Friday is the most expensive day to depart from Siem Reap because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £172.

Our data shows that the cheapest Siem Reap to Krong Preah Sihanouk flights are usually those with departure times in the afternoon. Our users have found flights to Krong Preah Sihanouk in the afternoon for as low as £107. In the morning is when there is more demand to fly to Krong Preah Sihanouk, so prices are often more expensive at around £168 per ticket.

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

You are more likely to see cheaper flights to Krong Preah Sihanouk from Siem Reap when booking weeks ahead of your departure date. In general, you can expect to find flights to Krong Preah Sihanouk for around £146 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Krong Preah Sihanouk from Siem Reap for as low as £90 on momondo.

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

Historically, on average around 12% 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 85 minutes.

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

Friday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

As of March 2026, 2 flights take off from Siem Reap and land in Krong Preah Sihanouk each day. The most common flight departure time for this route is 11:00, with 100% of daily flights taking off at midday.

16 flights are operational weekly from Siem Reap to Krong Preah Sihanouk as of March 2026. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.