Flight Changi Airport departs from Singapore Changi Airport at 20:45 and arrives at Ho Chi Minh City Tan Son Nhat International Airport at 22:05.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 405 Km. So the average speed is roughly 174 Km.
There is an 1 hour time difference between Singapore and Ho Chi Minh City
The best day to arrive at Singapore is Wednesday and it would be best to avoid Tuesday, as prices are on average 63.29% higher than on Wednesday. (Average prices, based on 3021823 datapoints.)
We have a lot more statistics for flights VN 656 and between Singapore and Ho Chi Minh City.