The flight time between Hanoi and Siem Reap is about one and three quarters of an hour each way. The flights are currently scheduled to operate daily.
The inaugural flight departed from Hanoi at 4:55pm yesterday (Mar. 30) and arrived in Siem Reap at 6:40pm. The return flight from Siem Reap left at 7:30pm and arrived back in Hanoi at 9:15pm.
Vietjet Air is currently offering highly discounted fares for the service with prices beginning as low as US$18 (VND399,000) each way.