Flight Incheon International Airport departs from Seoul Incheon International Airport at 10:40 and arrives at Adelaide Adelaide Airport at 20:35.The flight has a short stop at Hong Kong. The flighttime is about 9h 25m. The distance travelled ("as the bird flies"): 5353 Km. So the average speed is roughly 568 Km. There is an 0.5 hour time difference between Seoul and Adelaide