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 Singapore is February and the most expensive month to fly is June. (Average prices, based on 1488 datapoints.)
The best day to arrive at Kuala Lumpur is Thursday and it would be best to avoid Friday, as prices are on average 77.54% higher than on Thursday. (Average prices, based on 8633 datapoints.)
The cheapest airline flying from Kuala Lumpur to Singapore is Malindo Air. They are 83% cheaper than SAS Scandinavian Airlines. (Average prices, based on 1540 datapoints.)
The best time to fly is at around 6. (Average prices, based on 10005 datapoints.)