Flight Brisbane Airport departs from Brisbane Brisbane Airport at 10:50 and arrives at Cairns Cairns Airport at 13:20.
The flighttime is about 2h 30m. The distance travelled ("as the bird flies"): 1295 Km. So the average speed is roughly 518 Km.
The best day to arrive at Brisbane is Thursday and it would be best to avoid Tuesday, as prices are on average 221.88% higher than on Thursday. (Average prices, based on 87419 datapoints.)
We have a lot more statistics for flights VA 781 and between Brisbane and Cairns.