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 Kota Bharu is October and the most expensive month to fly is June. (Average prices, based on 36144 datapoints.)
The best day to arrive at Kuala Lumpur is Monday and it would be best to avoid Friday, as prices are on average 79.4% higher than on Monday. (Average prices, based on 1209 datapoints.)
The cheapest airline flying from Kuala Lumpur to Kota Bharu is AirAsia. They are 55% cheaper than MasWings. (Average prices, based on 36162 datapoints.)
The best time to fly is at around 15. (Average prices, based on 37006 datapoints.)