Flight Incheon International Airport departs from Seoul Incheon International Airport at 20:50 and arrives at Hong Kong Hong Kong International Airport at 23:30.
The flighttime is about 3h 40m. The distance travelled ("as the bird flies"): 1621 Km. So the average speed is roughly 442 Km.
There is an 1 hour time difference between Seoul and Hong Kong
The best day to arrive at Seoul is Sunday and it would be best to avoid Thursday, as prices are on average 289.86% higher than on Sunday. (Average prices, based on 21271837 datapoints.)
We have a lot more statistics for flights OZ 9291 and between Seoul and Hong Kong.