Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 14:25 and arrives at Seoul Incheon International Airport at 19:15.
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 Monday and it would be best to avoid Friday, as prices are on average 22.72% higher than on Monday. (Average prices, based on 31238303 datapoints.)
We have a lot more statistics for flights GA 418 and between Hong Kong and Seoul.