Cheap flights from Bangkok Suvarnabhumi Airport to Siem Reap from €100

If you aren’t able to travel during the month of June, then book flights to Siem Reap from Bangkok Suvarnabhumi Airport during September instead. Flights to Siem Reap in September, while not as cheap as those in June, still average around €162.

Our most recent data shows that the best time of day to fly to Siem Reap is in the morning. Flights from Bangkok Suvarnabhumi Airport to Siem Reap during this time can be as low as €166. Flights to Siem Reap are more costly at midday, with an average ticket price of €197. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

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 €174 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 €162 on momondo.

As of April 2026, prices for Bangkok Suvarnabhumi Airport to Siem Reap flights are approximately 64% more expensive when compared to flights at the same time last year.

Historically, on average around 10% 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 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. Friday 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 11% of their flights experiencing any sort of delay.

The number of flights available between Bangkok Suvarnabhumi Airport and Siem Reap is 24 per day as of April 2026. The most frequent departure time is 17:00, with 56% of daily flights leaving at midday.

As of April 2026, there are 171 flights per week flying from Bangkok Suvarnabhumi Airport to Siem Reap. The most common day of the week flights depart is Tue, with 20% of flights taking off on this day.