Singapore Airline is coming to Canberra. You can fly directly from Singapore to Canberra from September 20th. The airfares start from 740 SGD return (for flying from Singapore) or from from 600 AUD return for flying from Canberra. For booking go to Singapore Airline website or momondo.
Example of fares:
Singapore – Canberra – Singapore
Canberra – Singapore – CanberraShare