Flight Incheon International Airport departs from Seoul Incheon International Airport at 09:35 and arrives at Osaka Kansai International Airport at 11:20.
The flighttime is about 1h 45m. The distance travelled ("as the bird flies"): 1002 Km. So the average speed is roughly 573 Km.
The best month to arrive at Seoul is July and the most expensive month to fly is December. (Average prices, based on 21480 datapoints.)
The best day to arrive at Seoul is Saturday and it would be best to avoid Wednesday, as prices are on average 173.82% higher than on Saturday. (Average prices, based on 1913848 datapoints.)
We have a lot more statistics for flights KE 723 and between Seoul and Osaka.
USD