The best month to fly between Hong Kong and Tokyo is January and the most expensive month to fly is November. (Average prices, based on 599 datapoints.)
The best day to arrive at Hong Kong is Monday and it would be best to avoid Tuesday, as prices are on average 26.07% higher than on Monday. (Average prices, based on 599 datapoints.)
The cheapest airline flying from Hong Kong to Tokyo is Hong Kong Express. They are 75% cheaper than Cathay Pacific. (Average prices, based on 611 datapoints.)
The best time to fly is at around 11. (Average prices, based on 991 datapoints.)