Tiger Airlines up to 50% off $22.45 frm MEL to ADL!!!
There is suppose to be fly periods when this offer applies(which are next year check link for all the details) but i can find flights in the middle of december where i can fly mel to adl for $22.45!!!
I have been checking http://www.iwantthatflight.com.au to search the flight databases then you simply go to the tigerairways airsite to book your flight.