Also http://flightchecker.moneysavingexpert.com/ is good. I like adioso.com too. almost 9 years ago
with dual italian and us passports, how does one leave the us and visit italy and the eu? when would each passport be presented?
Present the US passport when leaving and entering the US and the Italian passport when entering/leaving the EU almost 9 years ago
As long as you have your australian passport, it shouldn't be a worry for you. If you are not a permanent resident, read this: http://www.australia-migration.com/page/Resident_Return_Visa/91 almost 9 years ago