Flight Changi Airport departs from Singapore Changi Airport at 14:55 and arrives at Penang Penang International Airport at 16:25.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 423 Km. So the average speed is roughly 282 Km.
The best day to arrive at Singapore is Saturday and it would be best to avoid Tuesday, as prices are on average 425.06% higher than on Saturday. (Average prices, based on 2413479 datapoints.)
We have a lot more statistics for flights SQ 8500 and between Singapore and Penang.