Please be aware that Tokyo has multiple airports and that these results are only for Narita International Airport.
The best month to arrive at Tokyo is February and the most expensive month to fly is December. (Average prices, based on 11671 datapoints.)
The best day to arrive at Tokyo is Wednesday and it would be best to avoid Friday, as prices are on average 10.72% higher than on Wednesday. (Average prices, based on 3436 datapoints.)
The cheapest airline flying to Tokyo is Hong Kong Express. They are 85% cheaper than All Nippon Airways. (Average prices, based on 11719 datapoints.)
At Tokyo the most flights depart around 09:00. (Hourly flights, based on 12128 datapoints.)
From Tokyo it is on average the cheapest to fly to Osaka and to Seoul. (Average prices, based on 564 datapoints.)
From Tokyo most of the flights depart to Seoul, second best connected from Tokyo is Osaka. (Daily flights, based on 191 datapoints.)