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 Kuantan is February and the most expensive month to fly is September. (Average prices, based on 2281 datapoints.)
The best day to arrive at Kuala Lumpur is Thursday and it would be best to avoid Saturday, as prices are on average 42.75% higher than on Thursday. (Average prices, based on 2281 datapoints.)