Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 13:00 and arrives at Seoul Incheon International Airport at 17:35.
The flighttime is about 3h 35m. The distance travelled ("as the bird flies"): 1621 Km. So the average speed is roughly 452 Km.
There is an 1 hour time difference between Hong Kong and Seoul
The best day to arrive at Hong Kong is Thursday and it would be best to avoid Sunday, as prices are on average 151.39% higher than on Thursday. (Average prices, based on 33607080 datapoints.)
We have a lot more statistics for flights OZ 722 and between Hong Kong and Seoul.