Vietnam Airlines from Paris to Guangzhou has 2 flights every day. And there are 12 flights per week flying out of Paris which connect to Guangzhou.
The price for economy class – one way ticket of Vietnam Airlines from Paris to Guangzhou is 25.493.000 VND (or ~$1273 USD) and the price for bussiness class – one way ticket of Vietnam Airline is 52.072.000 VND (or ~$2602 USD).