Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 15:50 and arrives at Singapore Changi Airport at 19:25.
The flighttime is about 2h 35m. The distance travelled ("as the bird flies"): 462 Km. So the average speed is roughly 179 Km.
There is an 1 hour time difference between Bangkok and Singapore
The best day to arrive at Bangkok is Sunday and it would be best to avoid Saturday, as prices are on average 83.37% higher than on Sunday. (Average prices, based on 12947312 datapoints.)
We have a lot more statistics for flights SQ 709 and between Bangkok and Singapore.
