Flight Incheon International Airport departs from Seoul Incheon International Airport at 13:25 and arrives at Hong Kong Hong Kong International Airport at 16:20.
The flighttime is about 3h 55m. The distance travelled ("as the bird flies"): 1621 Km. So the average speed is roughly 414 Km.
There is an 1 hour time difference between Seoul and Hong Kong
The best month to arrive at Seoul is August and the most expensive month to fly is April. (Average prices, based on 4632 datapoints.)
The best day to arrive at Seoul is Tuesday and it would be best to avoid Saturday, as prices are on average 11.35% higher than on Tuesday. (Average prices, based on 17882909 datapoints.)
We have a lot more statistics for flights GA 175 and between Seoul and Hong Kong.