Flight Incheon International Airport departs from Seoul Incheon International Airport at 10:35 and arrives at Tokyo Narita International Airport at 13:00.
The flighttime is about 2h 25m. The distance travelled ("as the bird flies"): 1555 Km. So the average speed is roughly 643 Km.
The best day to arrive at Seoul is Wednesday and it would be best to avoid Sunday, as prices are on average 180.7% higher than on Wednesday. (Average prices, based on 6737215 datapoints.)
We have a lot more statistics for flights 7C 1103 and between Seoul and Tokyo.
