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 October. (Average prices, based on 1542 datapoints.)
The best day to arrive at Tokyo is Monday and it would be best to avoid Thursday, as prices are on average 46.07% higher than on Monday. (Average prices, based on 1780 datapoints.)
The cheapest airline flying to Tokyo is Air Do. They are 85% cheaper than Singapore Airlines. (Average prices, based on 1631 datapoints.)
At Tokyo the most flights depart around 14:00. (Hourly flights, based on 2199 datapoints.)
From Tokyo it is on average the cheapest to fly to Osaka and to Osaka. (Average prices, based on 588 datapoints.)
From Tokyo most of the flights depart to Fukuoka, second best connected from Tokyo is Kuala Lumpur. (Daily flights, based on 340 datapoints.)