Flight Changi Airport departs from Singapore Changi Airport at 13:05 and arrives at Hanoi Noi Bai International Airport at 15:35.
The flighttime is about 3h 30m. The distance travelled ("as the bird flies"): 599 Km. So the average speed is roughly 171 Km.
There is an 1 hour time difference between Singapore and Hanoi
The best day to arrive at Singapore is Monday and it would be best to avoid Thursday, as prices are on average 211.51% higher than on Monday. (Average prices, based on 425004 datapoints.)
We have a lot more statistics for flights VN 660 and between Singapore and Hanoi.
