Flight Incheon International Airport departs from Seoul Incheon International Airport at 09:00 and arrives at Hong Kong Hong Kong International Airport at 11:50.
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 Seoul and Hong Kong
The best month to arrive at Seoul is February and the most expensive month to fly is April. (Average prices, based on 3765 datapoints.)
The best day to arrive at Seoul is Wednesday and it would be best to avoid Sunday, as prices are on average 19.17% higher than on Wednesday. (Average prices, based on 18282305 datapoints.)
We have a lot more statistics for flights MH 721 and between Seoul and Hong Kong.
THB
