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 Adelaide is May and the most expensive month to fly is June. (Average prices, based on 267 datapoints.)
The best day to arrive at Melbourne is Tuesday and it would be best to avoid Friday, as prices are on average 48.27% higher than on Tuesday. (Average prices, based on 954 datapoints.)
The cheapest airline flying from Melbourne to Adelaide is JetStar Airways. They are 53% cheaper than Qantas. (Average prices, based on 280 datapoints.)
The best time to fly is at around 20. (Average prices, based on 397 datapoints.)