Virgin Australia offers very cheap flights from Italy to various cities in Australia. Tickets from Milan or Rome to Perth/Melbourne/Sydney/Brisbane from 546 EUR round trip!
November, December 2015 and February, March 2016.
Milan (MXP) or Rome (FCO) to Sydney (SYD), Perth (PER), Melbourne (MEL) or Brisbane (BNE).
One cabin bag and one piece of checked in baggage per passenger.