The best month to fly between Adelaide and Sydney is March and the most expensive month to fly is December. (Average prices, based on 831 datapoints.)
The best day to arrive at Adelaide is Tuesday and it would be best to avoid Saturday, as prices are on average 1290.88% higher than on Tuesday. (Average prices, based on 1819328 datapoints.)
The cheapest airline flying from Adelaide to Sydney is JetStar Airways. They are 56% cheaper than Qantas. (Average prices, based on 842 datapoints.)