Flight Changi Airport departs from Singapore Changi Airport at 16:15 and arrives at Bangkok Suvarnabhumi Airport at 17:50.
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 Monday and it would be best to avoid Tuesday, as prices are on average 174.2% higher than on Monday. (Average prices, based on 19066961 datapoints.)
We have a lot more statistics for flights SQ 8558 and between Singapore and Bangkok.
