Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 10:40 and arrives at Singapore Changi Airport at 14:05.
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 58.75% higher than on Wednesday. (Average prices, based on 3662737 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 101 datapoints.)
We have a lot more statistics for flights FD 357 and between Bangkok and Singapore.