Cheap flights from Bangkok Suvarnabhumi Airport to Siem Reap from €102

If you aren’t able to travel during the month of September, then book flights to Siem Reap from Bangkok Suvarnabhumi Airport during October instead. Flights to Siem Reap in October, while not as cheap as those in September, still average around €181.

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

You are more likely to see cheaper flights to Siem Reap from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Siem Reap for around €192 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 Suvarnabhumi Airport for as low as €177 on momondo.

There is only 1 cabin class available to choose from on Bangkok Suvarnabhumi 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 9% 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 88 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon 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.

The number of flights available between Bangkok Suvarnabhumi Airport and Siem Reap is 35 per day as of July 2026. The most frequent departure time is 17:00, with 56% of daily flights leaving at midday.

As of July 2026, there are 250 flights per week flying from Bangkok Suvarnabhumi Airport to Siem Reap. The most common day of the week flights depart is Tue, with 15% of flights taking off on this day.