Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 07:20 and arrives at Seoul Incheon International Airport at 18:30.The flight has a short stop at Beijing.
The flighttime is about 10h 10m. The distance travelled ("as the bird flies"): 1621 Km. So the average speed is roughly 159 Km.
There is an 1 hour time difference between Hong Kong and Seoul