Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 14:55 and arrives at Seoul Incheon International Airport at 19:45.
The flighttime is about 3h 50m. The distance travelled ("as the bird flies"): 1621 Km. So the average speed is roughly 423 Km.
There is an 1 hour time difference between Hong Kong and Seoul
The best day to arrive at Hong Kong is Wednesday and it would be best to avoid Saturday, as prices are on average 193.92% higher than on Wednesday. (Average prices, based on 33377268 datapoints.)
We have a lot more statistics for flights HX 622 and between Hong Kong and Seoul.
