Flight Changi Airport departs from Singapore Changi Airport at 11:10 and arrives at Manado Sam Ratulangi International Airport at 14:45.
The flighttime is about 3h 35m. The distance travelled ("as the bird flies"): 2328 Km. So the average speed is roughly 650 Km.
The best day to arrive at Singapore is Thursday and it would be best to avoid Tuesday, as prices are on average 248.33% higher than on Thursday. (Average prices, based on 127332 datapoints.)
We have a lot more statistics for flights SQ 8468 and between Singapore and Manado.