Flight Changi Airport departs from Singapore Changi Airport at 13:05 and arrives at Hanoi Noi Bai International Airport at 15:40.
The flighttime is about 3h 35m. The distance travelled ("as the bird flies"): 599 Km. So the average speed is roughly 167 Km.
There is an 1 hour time difference between Singapore and Hanoi
The best day to arrive at Singapore is Sunday and it would be best to avoid Thursday, as prices are on average 992.36% higher than on Sunday. (Average prices, based on 393650 datapoints.)
We have a lot more statistics for flights GA 9606 and between Singapore and Hanoi.
