Flight Changi Airport departs from Singapore Changi Airport at 18:30 and arrives at Bangkok Suvarnabhumi Airport at 20:00.
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 Tuesday, as prices are on average 471.84% higher than on Wednesday. (Average prices, based on 10580226 datapoints.)
We have a lot more statistics for flights NZ 3454 and between Singapore and Bangkok.