Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 16:25 and arrives at Singapore Changi Airport at 19:40.
The flighttime is about 2h 15m. The distance travelled ("as the bird flies"): 462 Km. So the average speed is roughly 205 Km.
There is an 1 hour time difference between Bangkok and Singapore
The best month to arrive at Bangkok is October and the most expensive month to fly is August. (Average prices, based on 4191 datapoints.)
The best day to arrive at Bangkok is Thursday and it would be best to avoid Sunday, as prices are on average 54.07% higher than on Thursday. (Average prices, based on 9478777 datapoints.)
We have a lot more statistics for flights GA 409 and between Bangkok and Singapore.