Vietnam Airlines from Siem Reap to Shanghai has 24 flights every day. And there are 168 flights per week flying out of Siem Reap which connect to Shanghai.
The price for economy class – one way ticket of Vietnam Airlines from Siem Reap to Shanghai is 8.099.000 VND (or ~$403 USD) and the price for bussiness class – one way ticket of Vietnam Airline is 11.219.000 VND (or ~$559 USD).