Cheap flights from Southeast Asia to Siem Reap from C$ 137

The cheapest month to fly to Siem Reap from Southeast Asia is in September. Flight prices, which tend to average around C$ 381, are often lower during this time because this is during the off-season. If you are unable to visit Siem Reap during the month of September, then departing from Southeast Asia during the month May is also very affordable. Most momondo users find prices during this month for around C$ 443.

Fly from Bangkok Don Mueang Intl to Siem Reap–Angkor Intl for the best Southeast Asia - Siem Reap–Angkor Intl flight prices

You are more likely to see cheaper flights to Siem Reap from Southeast Asia when booking weeks ahead of your departure date. In general, you can expect to find flights to Siem Reap for around C$ 473 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Siem Reap from Southeast Asia for as low as C$ 387 on momondo.

There are 2 cabin classes available to choose from on Southeast Asia to Siem Reap–Angkor Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Cambodia Angkor Air, Thai AirAsia and Singapore Airlines are the top three most popular airlines that fly to Siem Reap from Southeast Asia according to our data. Cambodia Angkor Air is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Siem Reap. Keep in mind that there are 3 different airlines that fly to Siem Reap on a routine basis, so you have a few additional options to choose from.

As of March 2026, there are 60 flights per day flying from Southeast Asia to Siem Reap. The most common time of day flights depart is 5:00p.m., with 47% of flights taking off at noon.

As of March 2026, there are 425 flights per week flying from Southeast Asia to Siem Reap. The most common day of the week flights depart is Tue, with 15% of flights taking off on this day.