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 Pontianak is October and the most expensive month to fly is January. (Average prices, based on 241 datapoints.)
The best day to arrive at Kuala Lumpur is Friday and it would be best to avoid Tuesday, as prices are on average 65.73% higher than on Friday. (Average prices, based on 241 datapoints.)