Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 13:50 and arrives at Seoul Incheon International Airport at 20:35.The flight has a short stop at Taipei.
The flighttime is about 5h 45m. The distance travelled ("as the bird flies"): 1621 Km. So the average speed is roughly 282 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.)
The best day to arrive at Hong Kong is Monday and it would be best to avoid Tuesday, as prices are on average 22.05% higher than on Monday. (Average prices, based on 30236408 datapoints.)
We have a lot more statistics for flights CX 420 and between Hong Kong and Seoul.