Flight Changi Airport departs from Singapore Changi Airport at 12:50 and arrives at Bangkok Suvarnabhumi Airport at 14:25.
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 Singapore and Bangkok
The best day to arrive at Singapore is Saturday and it would be best to avoid Monday, as prices are on average 145.69% higher than on Saturday. (Average prices, based on 19391631 datapoints.)
We have a lot more statistics for flights TR 638 and between Singapore and Bangkok.
