The best month to fly between Perth and Sydney is February and the most expensive month to fly is March. (Average prices, based on 208 datapoints.)
The best day to arrive at Perth is Thursday and it would be best to avoid Saturday, as prices are on average 148.4% higher than on Thursday. (Average prices, based on 15193021 datapoints.)
The cheapest airline flying from Perth to Sydney is JetStar Airways. They are 34% cheaper than Qantas. (Average prices, based on 223 datapoints.)
The best time to fly is at around 22. (Average prices, based on 351 datapoints.)