Flight Changi Airport departs from Singapore Changi Airport at 21:00 and arrives at Sydney Sydney Airport at 06:45.
The flighttime is about 7h 45m. The distance travelled ("as the bird flies"): 5577 Km. So the average speed is roughly 720 Km.
There is an 2 hour time difference between Singapore and Sydney
The best month to arrive at Singapore is June and the most expensive month to fly is February. (Average prices, based on 266 datapoints.)
The best day to arrive at Singapore is Tuesday and it would be best to avoid Sunday, as prices are on average 56.13% higher than on Tuesday. (Average prices, based on 801600 datapoints.)
We have a lot more statistics for flights QF 82 and between Singapore and Sydney.
