Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 13:45 and arrives at Surat Thani Surat Thani International Airport at 15:00.
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 Bangkok is Tuesday and it would be best to avoid Wednesday, as prices are on average 136.51% higher than on Tuesday. (Average prices, based on 52419 datapoints.)
We have a lot more statistics for flights VZ 356 and between Bangkok and Surat Thani.