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 March. (Average prices, based on 502 datapoints.)
The best day to arrive at Tokyo is Tuesday and it would be best to avoid Saturday, as prices are on average 17.97% higher than on Tuesday. (Average prices, based on 4030 datapoints.)
The cheapest airline flying to Tokyo is Tway Airlines. They are 56% cheaper than Korean Air. (Average prices, based on 606 datapoints.)
At Tokyo the most flights depart around 09:00. (Hourly flights, based on 838 datapoints.)
From Tokyo it is on average the cheapest to fly to Seoul and to Taipei. (Average prices, based on 850 datapoints.)
From Tokyo most of the flights depart to Seoul, second best connected from Tokyo is Hong Kong. (Daily flights, based on 133 datapoints.)