Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 18:35 and arrives at Kaohsiung International Airport at 22:55.
The flighttime is about 3h 20m. The distance travelled ("as the bird flies"): 2200 Km. So the average speed is roughly 660 Km.
There is an 1 hour time difference between Bangkok and Kaohsiung
INR
