Flight Kansai International Airport departs from Osaka Kansai International Airport at 23:25 and arrives at Singapore Changi Airport at 04:40.
The flighttime is about 6h 15m. The distance travelled ("as the bird flies"): 3803 Km. So the average speed is roughly 608 Km.
There is an 1 hour time difference between Osaka and Singapore
The best month to arrive at Osaka is November and the most expensive month to fly is January. (Average prices, based on 1227 datapoints.)
The best day to arrive at Osaka is Saturday and it would be best to avoid Friday, as prices are on average 544.43% higher than on Saturday. (Average prices, based on 140667 datapoints.)
We have a lot more statistics for flights SQ 623 and between Osaka and Singapore.
SGD
