Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 07:55 and arrives at Singapore Changi Airport at 11:20.
The flighttime is about 2h 25m. The distance travelled ("as the bird flies"): 477 Km. So the average speed is roughly 197 Km.
There is an 1 hour time difference between Bangkok and Singapore
The best day to arrive at Bangkok is Wednesday and it would be best to avoid Monday, as prices are on average 61.13% higher than on Wednesday. (Average prices, based on 4129245 datapoints.)
We have a lot more statistics for flights SL 100 and between Bangkok and Singapore.