Flight Changi Airport departs from Singapore Changi Airport at 19:00 and arrives at Surabaya Juanda International Airport at 20:30.
The flighttime is about 2h 30m. The distance travelled ("as the bird flies"): 1022 Km. So the average speed is roughly 409 Km.
There is an 1 hour time difference between Singapore and Surabaya
The best month to arrive at Singapore is October and the most expensive month to fly is June. (Average prices, based on 30770 datapoints.)
The best day to arrive at Singapore is Friday and it would be best to avoid Thursday, as prices are on average 41.62% higher than on Friday. (Average prices, based on 9739249 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 200 datapoints.)
We have a lot more statistics for flights GA 855 and between Singapore and Surabaya.