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 Makassar is January and the most expensive month to fly is July. (Average prices, based on 353 datapoints.)
The best day to arrive at Kuala Lumpur is Wednesday and it would be best to avoid Sunday, as prices are on average 65.86% higher than on Wednesday. (Average prices, based on 353 datapoints.)