Vietnam Airlines from Siem Reap to Sydney has 1 flight every day. And there are 16 flights per week flying out of Siem Reap which connect to Sydney.
The price for economy class – one way ticket of Vietnam Airlines from Siem Reap to Sydney is 15.708.000 VND (or ~$783 USD) and the price for bussiness class – one way ticket of Vietnam Airline is 25.068.000 VND (or ~$1251 USD).