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 November and the most expensive month to fly is October. (Average prices, based on 7699 datapoints.)
The best day to arrive at Kuala Lumpur is Thursday and it would be best to avoid Friday, as prices are on average 82.32% higher than on Thursday. (Average prices, based on 8606 datapoints.)
The cheapest airline flying from Kuala Lumpur to Singapore is Malindo Air. They are 94% cheaper than Swiss Int Air Lines. (Average prices, based on 7751 datapoints.)
The best time to fly is at around 6. (Average prices, based on 16632 datapoints.)