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 November and the most expensive month to fly is April. (Average prices, based on 1421 datapoints.)
The best day to arrive at Tokyo is Tuesday and it would be best to avoid Saturday, as prices are on average 16.57% higher than on Tuesday. (Average prices, based on 5933 datapoints.)
The cheapest airline flying to Tokyo is Hong Kong Express. They are 85% cheaper than All Nippon Airways. (Average prices, based on 1475 datapoints.)
At Tokyo the most flights depart around 12:00. (Hourly flights, based on 1824 datapoints.)
From Tokyo it is on average the cheapest to fly to Ho Chi Minh City and to Seoul. (Average prices, based on 515 datapoints.)
From Tokyo most of the flights depart to Seoul, second best connected from Tokyo is Osaka. (Daily flights, based on 154 datapoints.)