The best month to fly between Hong Kong and Tokyo is January and the most expensive month to fly is September. (Average prices, based on 736 datapoints.)
The best day to arrive at Hong Kong is Tuesday and it would be best to avoid Friday, as prices are on average 18.62% higher than on Tuesday. (Average prices, based on 1052 datapoints.)
The cheapest airline flying from Hong Kong to Tokyo is Hong Kong Express. They are 79% cheaper than Cathay Pacific. (Average prices, based on 745 datapoints.)
The best time to fly is at around 17. (Average prices, based on 2311 datapoints.)