The best month to fly between Hong Kong and Jakarta is May and the most expensive month to fly is June. (Average prices, based on 10131 datapoints.)
The best day to arrive at Hong Kong is Saturday and it would be best to avoid Wednesday, as prices are on average 51.22% higher than on Saturday. (Average prices, based on 2367 datapoints.)
The best time to fly is at around 17. (Average prices, based on 12423 datapoints.)