Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 02:05 and arrives at Seoul Incheon International Airport at 06:35.
The flighttime is about 3h 30m. The distance travelled ("as the bird flies"): 1621 Km. So the average speed is roughly 463 Km.
There is an 1 hour time difference between Hong Kong and Seoul
The best day to arrive at Hong Kong is Friday and it would be best to avoid Saturday, as prices are on average 112.94% higher than on Friday. (Average prices, based on 33426110 datapoints.)
We have a lot more statistics for flights KE 5070 and between Hong Kong and Seoul.