Flight Changi Airport departs from Singapore Changi Airport at 11:15 and arrives at Denpasar Bali Ngurah Rai International Airport at 14:15.
The flighttime is about 3h 00m. The distance travelled ("as the bird flies"): 1294 Km. So the average speed is roughly 431 Km.
The best day to arrive at Singapore is Saturday and it would be best to avoid Thursday, as prices are on average 90.77% higher than on Saturday. (Average prices, based on 20709673 datapoints.)
We have a lot more statistics for flights MF 9509 and between Singapore and Denpasar Bali.