The best month to arrive at Adelaide is May and the most expensive month to fly is October. (Average prices, based on 505 datapoints.)
The best day to arrive at Adelaide is Thursday and it would be best to avoid Tuesday, as prices are on average 143.3% higher than on Thursday. (Average prices, based on 505 datapoints.)
The cheapest airline flying to Adelaide is JetStar Airways. They are 29% cheaper than Qantas. (Average prices, based on 530 datapoints.)