Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 00:50 and arrives at Seoul Incheon International Airport at 05:30.
The flighttime is about 3h 40m. The distance travelled ("as the bird flies"): 1621 Km. So the average speed is roughly 442 Km.
There is an 1 hour time difference between Hong Kong and Seoul
The best month to arrive at Hong Kong is February and the most expensive month to fly is December. (Average prices, based on 19335 datapoints.)
We have a lot more statistics for flights RS 9662 and between Hong Kong and Seoul.