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 February and the most expensive month to fly is June. (Average prices, based on 1125 datapoints.)
The best day to arrive at Kuala Lumpur is Monday and it would be best to avoid Saturday, as prices are on average 111.16% higher than on Monday. (Average prices, based on 1391 datapoints.)
The cheapest airline flying from Kuala Lumpur to Kota Bharu is AirAsia. They are 19% cheaper than FireFly. (Average prices, based on 1148 datapoints.)
The best time to fly is at around 20. (Average prices, based on 2508 datapoints.)