Flight Siem Reap-Angkor International Airport departs from Siem Reap Siem Reap-Angkor International Airport at 20:30 and arrives at Hanoi Noi Bai International Airport at 22:20.
The flighttime is about 1h 50m. The distance travelled ("as the bird flies"): 313 Km. So the average speed is roughly 171 Km.