Flight Gimhae International Airport departs from Busan Gimhae International Airport at 18:30 and arrives at Bangkok Suvarnabhumi Airport at 21:55. The flighttime is about 5h 25m. The distance travelled ("as the bird flies"): 3243 Km. So the average speed is roughly 599 Km. There is an 2 hour time difference between Busan and Bangkok