Flight Incheon International Airport departs from Seoul Incheon International Airport at 12:05 and arrives at Osaka Kansai International Airport at 14:00.
The flighttime is about 1h 55m. The distance travelled ("as the bird flies"): 1002 Km. So the average speed is roughly 523 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 Thursday, as prices are on average 113.03% higher than on Saturday. (Average prices, based on 1915182 datapoints.)
We have a lot more statistics for flights TW 283 and between Seoul and Osaka.