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 Medan is October and the most expensive month to fly is December. (Average prices, based on 9008 datapoints.)
The best day to arrive at Kuala Lumpur is Wednesday and it would be best to avoid Sunday, as prices are on average 38.02% higher than on Wednesday. (Average prices, based on 9813 datapoints.)
The cheapest airline flying from Kuala Lumpur to Medan is Indonesia AirAsia. They are 48% cheaper than Etihad Airways. (Average prices, based on 9022 datapoints.)
The best time to fly is at around 7. (Average prices, based on 16831 datapoints.)