Flight Changi Airport departs from Singapore Changi Airport at 20:40 and arrives at Bangkok Suvarnabhumi Airport at 22:10.
The flighttime is about 2h 30m. The distance travelled ("as the bird flies"): 462 Km. So the average speed is roughly 185 Km.
There is an 1 hour time difference between Singapore and Bangkok
The best day to arrive at Singapore is Wednesday and it would be best to avoid Friday, as prices are on average 79.5% higher than on Wednesday. (Average prices, based on 10503131 datapoints.)
We have a lot more statistics for flights FD 350 and between Singapore and Bangkok.