Flight Sydney Airport departs from Sydney Sydney Airport at 17:55 and arrives at Christchurch Christchurch International Airport at 23:00.
The flighttime is about 3h 05m. The distance travelled ("as the bird flies"): 2577 Km. So the average speed is roughly 836 Km.
There is an 2 hour time difference between Sydney and Christchurch
The best day to arrive at Sydney is Tuesday and it would be best to avoid Thursday, as prices are on average 16.84% higher than on Tuesday. (Average prices, based on 200793 datapoints.)
We have a lot more statistics for flights GA 220 and between Sydney and Christchurch.