In general, when looking for the cheapest flight to Melbourne, try to choose a flight departing in May for the best deal.
On average, from most locations, when planning your trip to Melbourne, try to book your flight in the region of 59 days in advance for the cheapest prices.
From most locations, the cheapest day to fly to Melbourne is Monday. Most users found that departing on a Saturday was most expensive.
Typically, cheap prices to Melbourne are most often found for afternoon flights. Cheap prices are less likely for morning flights.