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 345 datapoints.)
The best day to arrive at Kuala Lumpur is Tuesday and it would be best to avoid Thursday, as prices are on average 52.69% higher than on Tuesday. (Average prices, based on 345 datapoints.)
The cheapest airline flying from Kuala Lumpur to Tokyo is AirAsia X. They are 44% cheaper than All Nippon Airways. (Average prices, based on 348 datapoints.)
The best time to fly is at around 12. (Average prices, based on 679 datapoints.)