Flight Surat Thani International Airport departs from Surat Thani Surat Thani International Airport at 19:45 and arrives at Bangkok Suvarnabhumi Airport at 21:10.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 200 Km. So the average speed is roughly 141 Km.
The best day to arrive at Surat Thani is Tuesday and it would be best to avoid Thursday, as prices are on average 154.43% higher than on Tuesday. (Average prices, based on 12641 datapoints.)
We have a lot more statistics for flights WE 258 and between Surat Thani and Bangkok.