Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 18:05 and arrives at Singapore Changi Airport at 21:35.
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 Bangkok and Singapore
The best day to arrive at Bangkok is Thursday and it would be best to avoid Tuesday, as prices are on average 62.64% higher than on Thursday. (Average prices, based on 12949145 datapoints.)
We have a lot more statistics for flights SQ 711 and between Bangkok and Singapore.
