Flight Changi Airport departs from Singapore Changi Airport at 17:25 and arrives at Surabaya Juanda International Airport at 18:35.
The flighttime is about 2h 10m. The distance travelled ("as the bird flies"): 1022 Km. So the average speed is roughly 472 Km.
There is an 1 hour time difference between Singapore and Surabaya
The best month to arrive at Singapore is August and the most expensive month to fly is April. (Average prices, based on 5146 datapoints.)
The best day to arrive at Singapore is Saturday and it would be best to avoid Monday, as prices are on average 70.01% higher than on Saturday. (Average prices, based on 15327656 datapoints.)
We have a lot more statistics for flights SQ 8506 and between Singapore and Surabaya.