Vietnam Airlines from Beijing to Siem Reap has 2 flights every day. And there are 5 flights per week flying out of Beijing which connect to Siem Reap.
The price for economy class – one way ticket of Vietnam Airlines from Beijing to Siem Reap is 8.752.000 VND (or ~$436 USD) and the price for bussiness class – one way ticket of Vietnam Airline is 16.337.000 VND (or ~$815 USD).