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 Seletar is February and the most expensive month to fly is July. (Average prices, based on 1627 datapoints.)
The best day to arrive at Kuala Lumpur is Tuesday and it would be best to avoid Sunday, as prices are on average 41.77% higher than on Tuesday. (Average prices, based on 1627 datapoints.)
