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 July. (Average prices, based on 242 datapoints.)
The best day to arrive at Melbourne is Friday and it would be best to avoid Tuesday, as prices are on average 601.78% higher than on Friday. (Average prices, based on 242 datapoints.)
The cheapest airline flying from Melbourne to Adelaide is JetStar Airways. They are 45% cheaper than Qantas. (Average prices, based on 264 datapoints.)
The best time to fly is at around 16. (Average prices, based on 426 datapoints.)