Flight Incheon International Airport departs from Seoul Incheon International Airport at 19:30 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 01:10.
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 Monday and it would be best to avoid Saturday, as prices are on average 81.6% higher than on Monday. (Average prices, based on 749573 datapoints.)
We have a lot more statistics for flights D7 507 and between Seoul and Kuala Lumpur.