Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 10:30 and arrives at Hong Kong Hong Kong International Airport at 14:20.
The flighttime is about 2h 50m. The distance travelled ("as the bird flies"): 1487 Km. So the average speed is roughly 525 Km.
There is an 1 hour time difference between Bangkok and Hong Kong
The best day to arrive at Bangkok is Monday and it would be best to avoid Tuesday, as prices are on average 189.34% higher than on Monday. (Average prices, based on 5100608 datapoints.)
We have a lot more statistics for flights TG 628 and between Bangkok and Hong Kong.
