Flight Incheon International Airport departs from Seoul Incheon International Airport at 13:55 and arrives at Fukuoka Fukuoka Airport at 15:25.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 518 Km. So the average speed is roughly 345 Km.
The best day to arrive at Seoul is Thursday and it would be best to avoid Saturday, as prices are on average 375.39% higher than on Thursday. (Average prices, based on 677744 datapoints.)
We have a lot more statistics for flights KE 789 and between Seoul and Fukuoka.
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