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 July and the most expensive month to fly is May. (Average prices, based on 208 datapoints.)
The best day to arrive at Melbourne is Friday and it would be best to avoid Thursday, as prices are on average 161.6% higher than on Friday. (Average prices, based on 208 datapoints.)
The cheapest airline flying from Melbourne to Perth is JetStar Airways. They are 48% cheaper than Qantas. (Average prices, based on 225 datapoints.)
The best time to fly is at around 19. (Average prices, based on 369 datapoints.)