Flight Incheon International Airport departs from Seoul Incheon International Airport at 22:35 and arrives at Singapore Changi Airport at 06:15.The flight has a short stop at Taipei.
The flighttime is about 8h 40m. The distance travelled ("as the bird flies"): 2923 Km. So the average speed is roughly 337 Km.
There is an 1 hour time difference between Seoul and Singapore
The best day to arrive at Seoul is Saturday and it would be best to avoid Sunday, as prices are on average 551.52% higher than on Saturday. (Average prices, based on 689377 datapoints.)
We have a lot more statistics for flights TR 897 and between Seoul and Singapore.