It seems that the fares on Air Canada between Australia & Canada are very high.

With Air Transats current fleet they could fly to one stop to Australia either via Hawaii or via any number of Pacific nations who would love nonstop service to anywhere in North America, such as Western Samoa, who years ago had nonstop to LAX.

Via Hawaii has it's hassles, like entering USA, but surely a quick one stop in same aircraft in Samoa or somewhere would be almost as good as nonstop & open up other routes, eg. Canada/Samoa & Samoa/Australia which has very little competition. Samoa Air only flies to Sydney & they have shut out Virgin Australia.