Vietnam Airlines from Singapore to Siem Reap has 6 flights every day. And there are 42 flights per week flying out of Singapore which connect to Siem Reap.
The price for economy class – one way ticket of Vietnam Airlines from Singapore to Siem Reap is 11.137.000 VND (or ~$555 USD) and the price for bussiness class – one way ticket of Vietnam Airline is 17.553.000 VND (or ~$876 USD).