Cheap flights from Bangkok Don Mueang Intl Airport to Siem Reap from $94

If you don’t want to visit Siem Reap in March, then you should wait until October to fly from Bangkok Don Mueang Intl Airport, when ticket prices are also cheap, with an average price of $202.

The cheapest day to depart from Bangkok Don Mueang Intl Airport to Siem Reap is on a Saturday. Travelers who choose to depart for Siem Reap on a Saturday will often find tickets for as low as $223. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $284. These prices are subject to change though, so be sure to set up a Price Alert for flights to Siem Reap.

At noon is the cheapest time of day to fly from Bangkok Don Mueang Intl Airport to Siem Reap when you can find flight prices for as low as $211. Flying to Siem Reap at noon is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Siem Reap, so prices are often more expensive at around $241 per ticket.

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

You are more likely to see cheaper flights to Siem Reap from Bangkok Don Mueang Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Siem Reap for around $225 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Siem Reap from Bangkok Don Mueang Intl Airport for as low as $187 on momondo.

There are 2 cabin classes available to choose from on Bangkok Don Mueang Intl Airport to Siem Reap 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 33% of flights between Bangkok and Siem Reap have experienced a delay on any given week. The average delay length over the past 12 months has been 82 minutes.

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

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

According to our data, AirAsia have had the least number of delays on this route over the last 12 months; with about 33% of their flights experiencing any sort of delay.

1 flights are operational daily from Bangkok Don Mueang Intl Airport to Siem Reap as of September 2026. The most popular departure time for this route is 10:00AM, with 63% of flights per day taking off at noon.

11 flights are operational weekly from Bangkok Don Mueang Intl Airport to Siem Reap as of September 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.