Flight Surat Thani International Airport departs from Surat Thani Surat Thani International Airport at 16:15 and arrives at Bangkok Suvarnabhumi Airport at 17:30.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 200 Km. So the average speed is roughly 160 Km.
The best day to arrive at Surat Thani is Tuesday and it would be best to avoid Friday, as prices are on average 12.37% higher than on Tuesday. (Average prices, based on 15835 datapoints.)
We have a lot more statistics for flights SL 741 and between Surat Thani and Bangkok.