Air china has fare sale from New York JFK airport to Melbourn Australia.
Many spring-early summer dates are on sale for $668. March availability with 9 nights sty is shown as an example:
Only one connection in Beijing, China ( A long one though).
Search secret hotel deals for Melbourn here.
Book your trip on Priceline, Travelocity, Cheaptickets, Cheap-o-air