Please be aware that Kuala Lumpur has multiple airports and that these results are for all airports serving the city.
The best month to fly between Kuala Lumpur and Kuching is October and the most expensive month to fly is April. (Average prices, based on 1729 datapoints.)
The best day to arrive at Kuala Lumpur is Tuesday and it would be best to avoid Friday, as prices are on average 76.21% higher than on Tuesday. (Average prices, based on 2346 datapoints.)
The cheapest airline flying from Kuala Lumpur to Kuching is AirAsia. They are 26% cheaper than MasWings. (Average prices, based on 1764 datapoints.)
The best time to fly is at around 22. (Average prices, based on 3539 datapoints.)