The best month to fly between Guangzhou and Kuala Lumpur is February and the most expensive month to fly is March. (Average prices, based on 908 datapoints.)
The cheapest airline flying from Guangzhou to Kuala Lumpur is AirAsia. They are 62% cheaper than MasWings. (Average prices, based on 915 datapoints.)
The best time to fly is at around 1. (Average prices, based on 1084 datapoints.)