Flight Changi Airport departs from Singapore Changi Airport at 17:15 and arrives at Surabaya Juanda International Airport at 18:40.
The flighttime is about 2h 25m. The distance travelled ("as the bird flies"): 1022 Km. So the average speed is roughly 423 Km.
There is an 1 hour time difference between Singapore and Surabaya
The best day to arrive at Singapore is Sunday and it would be best to avoid Thursday, as prices are on average 40.26% higher than on Sunday. (Average prices, based on 17811514 datapoints.)
We have a lot more statistics for flights SQ 8498 and between Singapore and Surabaya.
