Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 19:05 and arrives at Siem Reap Siem Reap-Angkor International Airport at 20:25.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 340 Km. So the average speed is roughly 255 Km.
The best month to arrive at Bangkok is July and the most expensive month to fly is December. (Average prices, based on 209 datapoints.)
The best day to arrive at Bangkok is Thursday and it would be best to avoid Saturday, as prices are on average 24.3% higher than on Thursday. (Average prices, based on 335089 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 135 datapoints.)
We have a lot more statistics for flights PG 909 and between Bangkok and Siem Reap.