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 March and the most expensive month to fly is June. (Average prices, based on 51965 datapoints.)
The best day to arrive at Kuala Lumpur is Wednesday and it would be best to avoid Friday, as prices are on average 35.98% higher than on Wednesday. (Average prices, based on 35185 datapoints.)
The cheapest airline flying from Kuala Lumpur to Kuching is AirAsia. They are 42% cheaper than MasWings. (Average prices, based on 51992 datapoints.)
The best time to fly is at around 10. (Average prices, based on 71991 datapoints.)