Please be aware that Kuala Lumpur and Tokyo has multiple airports and that these results are for all airports serving the city.
The best month to fly between Kuala Lumpur and Tokyo is January and the most expensive month to fly is October. (Average prices, based on 322 datapoints.)
The best day to arrive at Kuala Lumpur is Tuesday and it would be best to avoid Thursday, as prices are on average 67.56% higher than on Tuesday. (Average prices, based on 221 datapoints.)
The cheapest airline flying from Kuala Lumpur to Tokyo is AirAsia X. They are 64% cheaper than MasWings. (Average prices, based on 326 datapoints.)
The best time to fly is at around 12. (Average prices, based on 603 datapoints.)