Cheap flights from Bangkok to Siem Reap from €98

If you aren’t able to travel during the month of September, then book flights to Siem Reap from Bangkok during October instead. Flights to Siem Reap in October, while not as cheap as those in September, still average around €182.

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

You are more likely to see cheaper flights to Siem Reap from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Siem Reap for around €190 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Siem Reap from Bangkok for as low as €174 on momondo.

There is only 1 cabin class available to choose from on Bangkok 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 19% 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 86 minutes.

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

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

According to our data, Bangkok Airways have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

As of August 2026, 26 flights take off from Bangkok and land in Siem Reap each day. The most common flight departure time for this route is 10:00, with 62% of daily flights taking off at midday.

184 flights are operational weekly from Bangkok to Siem Reap as of August 2026. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.