Flight Changi Airport departs from Singapore Changi Airport at 22:20 and arrives at Colombo Bandaranaike International Airport at 23:35.
The flighttime is about 3h 45m. The distance travelled ("as the bird flies"): 2677 Km. So the average speed is roughly 714 Km.
There is an 2.5 hour time difference between Singapore and Colombo
The best day to arrive at Singapore is Friday and it would be best to avoid Tuesday, as prices are on average 34.88% higher than on Friday. (Average prices, based on 77150 datapoints.)
We have a lot more statistics for flights SQ 468 and between Singapore and Colombo.