Flight Samui International Airport departs from Koh Samui Samui International Airport at 15:50 and arrives at Bangkok Suvarnabhumi Airport at 17:05.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 113 Km. So the average speed is roughly 90 Km.
The best day to arrive at Koh Samui is Wednesday and it would be best to avoid Monday, as prices are on average 97.09% higher than on Wednesday. (Average prices, based on 1715087 datapoints.)
We have a lot more statistics for flights TG 5927 and between Koh Samui and Bangkok.
