Nemo,
If you want the miles, how about flying YUL-Singapore-SYD.
Add a side trip from SIN to KUL (easy & quick by air or train) and it should work out similar to the Consolidator quoted, but with *A miles the whole way. Eg. UA to SIN then SQ to SYD.
FYI
www.tiss.com quote 1250 USD for NYC-SIN-SYD in late Jan (on UA & SQ)