Flight Incheon International Airport departs from Seoul Incheon International Airport at 06:50 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 12:30.
The flighttime is about 6h 40m. The distance travelled ("as the bird flies"): 3061 Km. So the average speed is roughly 459 Km.
There is an 1 hour time difference between Seoul and Kuala Lumpur
The best day to arrive at Seoul is Thursday and it would be best to avoid Sunday, as prices are on average 369.67% higher than on Thursday. (Average prices, based on 856492 datapoints.)
We have a lot more statistics for flights OD 821 and between Seoul and Kuala Lumpur.
