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 May and the most expensive month to fly is July. (Average prices, based on 18919 datapoints.)
The best day to arrive at Melbourne is Tuesday and it would be best to avoid Sunday, as prices are on average 36.28% higher than on Tuesday. (Average prices, based on 17423 datapoints.)
The cheapest airline flying from Melbourne to Sydney is JetStar Airways. They are 58% cheaper than Qantas. (Average prices, based on 18964 datapoints.)
The best time to fly is at around 14. (Average prices, based on 38011 datapoints.)