Please be aware that Melbourne has multiple airports and that these results are for all airports serving the city.
The best month to fly between Melbourne and Perth is February and the most expensive month to fly is June. (Average prices, based on 845 datapoints.)
The best day to arrive at Melbourne is Friday and it would be best to avoid Thursday, as prices are on average 48.99% higher than on Friday. (Average prices, based on 1168 datapoints.)
The cheapest airline flying from Melbourne to Perth is JetStar Airways. They are 54% cheaper than Qantas. (Average prices, based on 855 datapoints.)
The best time to fly is at around 6. (Average prices, based on 1600 datapoints.)