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 5856 datapoints.)
The best day to arrive at Tokyo is Saturday and it would be best to avoid Friday, as prices are on average 24.89% higher than on Saturday. (Average prices, based on 3591 datapoints.)
The cheapest airline flying to Tokyo is Skymark Airlines. They are 63% cheaper than Japan Airlines. (Average prices, based on 6116 datapoints.)
At Tokyo the most flights depart around 14:00. (Hourly flights, based on 6514 datapoints.)
From Tokyo it is on average the cheapest to fly to Kobe and to Osaka. (Average prices, based on 756 datapoints.)
From Tokyo most of the flights depart to Osaka, second best connected from Tokyo is Kagoshima. (Daily flights, based on 182 datapoints.)