Vietnam Airlines from Bangkok to Frankfurt has 1 flight every day. And there are 10 flights per week flying out of Bangkok which connect to Frankfurt.
The price for economy class – one way ticket of Vietnam Airlines from Bangkok to Frankfurt is 14.074.000 VND (or ~$702 USD) and the price for bussiness class – one way ticket of Vietnam Airline is 36.889.000 VND (or ~$1842 USD).