The best month to fly between Hong Kong and Taipei is February and the most expensive month to fly is October. (Average prices, based on 319 datapoints.)
The cheapest airline flying from Hong Kong to Taipei is China Airlines. They are 52% cheaper than Cathay Pacific. (Average prices, based on 342 datapoints.)
The best time to fly is at around 14. (Average prices, based on 645 datapoints.)