Cheap flights from Southeast Asia to Siem Reap from $141

The cheapest month to fly to Siem Reap from Southeast Asia is in June. Flight prices, which tend to average around $73, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of June, then book flights to Siem Reap from Southeast Asia during April instead. Flights to Siem Reap in April, while not as cheap as those in June, still average around $80.

Fly from Phuket City to Siem Reap–Angkor Intl for the best Southeast Asia - Siem Reap–Angkor Intl flight prices

No. A direct flight is the cheapest option for a flight between Southeast Asia to Siem Reap.

Bangkok Airways, Cambodia Angkor Air, and VietJet Air are the most popular carriers operating from Southeast Asia to Siem Reap–Angkor Intl

Thai AirAsia, Cambodia Angkor Air and Vietnam Airlines are the top three most popular airlines that fly to Siem Reap from Southeast Asia according to our data. Thai AirAsia is the first choice among our users, with 36% of people opting to fly with this airline when travelling to Siem Reap. Keep in mind that there are 4 different airlines that fly to Siem Reap on a routine basis, so you have a few additional options to choose from.

As of May 2026, 48 flights take off from Southeast Asia and land in Siem Reap each day. The most common flight departure time for this route is 17:00, with 57% of daily flights taking off at midday.

As of May 2026, there are 339 flights per week flying from Southeast Asia to Siem Reap. The most common day of the week flights depart is Wed, with 17% of flights taking off on this day.