The best month to fly between Perth and Sydney is February and the most expensive month to fly is March. (Average prices, based on 209 datapoints.)
The best day to arrive at Perth is Thursday and it would be best to avoid Tuesday, as prices are on average 42.24% higher than on Thursday. (Average prices, based on 15170630 datapoints.)
The cheapest airline flying from Perth to Sydney is JetStar Airways. They are 35% cheaper than Qantas. (Average prices, based on 223 datapoints.)
The best time to fly is at around 6. (Average prices, based on 351 datapoints.)