Flight Changi Airport departs from Singapore Changi Airport at 20:10 and arrives at Colombo Bandaranaike International Airport at 21:30.
The flighttime is about 3h 50m. The distance travelled ("as the bird flies"): 2677 Km. So the average speed is roughly 698 Km.
There is an 2.5 hour time difference between Singapore and Colombo
The best day to arrive at Singapore is Wednesday and it would be best to avoid Friday, as prices are on average 38.41% higher than on Wednesday. (Average prices, based on 123212 datapoints.)
We have a lot more statistics for flights UL 309 and between Singapore and Colombo.
