Vietnam Airlines from Frankfurt to Hong Kong has 1 flight every day. And there are 7 flights per week flying out of Frankfurt which connect to Hong Kong.
The price for economy class – one way ticket of Vietnam Airlines from Frankfurt to Hong Kong is 22.493.000 VND (or ~$1123 USD) and the price for bussiness class – one way ticket of Vietnam Airline is 37.118.000 VND (or ~$1854 USD).