Flight Changi Airport departs from Singapore Changi Airport at 09:55 and arrives at Brisbane Brisbane Airport at 19:30.
The flighttime is about 7h 35m. The distance travelled ("as the bird flies"): 5683 Km. So the average speed is roughly 749 Km.
There is an 2 hour time difference between Singapore and Brisbane
The best day to arrive at Singapore is Saturday and it would be best to avoid Thursday, as prices are on average 420.94% higher than on Saturday. (Average prices, based on 63317 datapoints.)
We have a lot more statistics for flights SQ 245 and between Singapore and Brisbane.