Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 01:40 and arrives at Busan Gimhae International Airport at 08:40.
The flighttime is about 5h 00m. The distance travelled ("as the bird flies"): 3243 Km. So the average speed is roughly 649 Km.
There is an 2 hour time difference between Bangkok and Busan
