Please be aware that Tokyo has multiple airports and that these results are only for Haneda Airport.
The best month to arrive at Tokyo is November and the most expensive month to fly is June. (Average prices, based on 3434 datapoints.)
The best day to arrive at Tokyo is Saturday and it would be best to avoid Friday, as prices are on average 35.99% higher than on Saturday. (Average prices, based on 3327 datapoints.)
The cheapest airline flying to Tokyo is Brussels Airlines. They are 58% cheaper than Japan Airlines. (Average prices, based on 3630 datapoints.)
At Tokyo the most flights depart around 14:00. (Hourly flights, based on 3992 datapoints.)
From Tokyo it is on average the cheapest to fly to Osaka and to Osaka. (Average prices, based on 2263 datapoints.)
From Tokyo most of the flights depart to Kuala Lumpur, second best connected from Tokyo is Chitose. (Daily flights, based on 212 datapoints.)