Please be aware that Tokyo and Kuala Lumpur has multiple airports and that these results are for all airports serving the city.
The best month to fly between Tokyo and Kuala Lumpur is May and the most expensive month to fly is August. (Average prices, based on 510 datapoints.)
The best day to arrive at Tokyo is Saturday and it would be best to avoid Tuesday, as prices are on average 43.45% higher than on Saturday. (Average prices, based on 469 datapoints.)
The cheapest airline flying from Tokyo to Kuala Lumpur is AirAsia X. They are 87% cheaper than All Nippon Airways. (Average prices, based on 518 datapoints.)
The best time to fly is at around 21. (Average prices, based on 621 datapoints.)