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 Langkawi is May and the most expensive month to fly is September. (Average prices, based on 84432 datapoints.)
The best day to arrive at Kuala Lumpur is Tuesday and it would be best to avoid Friday, as prices are on average 37.68% higher than on Tuesday. (Average prices, based on 85792 datapoints.)
The cheapest airline flying from Kuala Lumpur to Langkawi is AirAsia. They are 45% cheaper than MasWings. (Average prices, based on 84457 datapoints.)
The best time to fly is at around 17. (Average prices, based on 104457 datapoints.)