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 Sydney is August and the most expensive month to fly is November. (Average prices, based on 1525 datapoints.)
The best day to arrive at Melbourne is Saturday and it would be best to avoid Sunday, as prices are on average 54.94% higher than on Saturday. (Average prices, based on 1719 datapoints.)
The cheapest airline flying from Melbourne to Sydney is JetStar Airways. They are 50% cheaper than Qantas. (Average prices, based on 1622 datapoints.)
The best time to fly is at around 6. (Average prices, based on 2386 datapoints.)