Vietnam Airlines from Siem Reap to Frankfurt has 4 flights every day. And there are 28 flights per week flying out of Siem Reap which connect to Frankfurt.
The price for economy class – one way ticket of Vietnam Airlines from Siem Reap to Frankfurt is 22.162.000 VND (or ~$1106 USD) and the price for bussiness class – one way ticket of Vietnam Airline is 36.787.000 VND (or ~$1837 USD).