The best month to fly between Perth and Kuala Lumpur is August and the most expensive month to fly is May. (Average prices, based on 580 datapoints.)
The best day to arrive at Perth is Monday and it would be best to avoid Wednesday, as prices are on average 93.3% higher than on Monday. (Average prices, based on 577 datapoints.)
The cheapest airline flying from Perth to Kuala Lumpur is AirAsia X. They are 71% cheaper than MasWings. (Average prices, based on 586 datapoints.)
The best time to fly is at around 20. (Average prices, based on 655 datapoints.)