Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 05:00 and arrives at Hong Kong Hong Kong International Airport at 09:00.
The flighttime is about 3h 00m. The distance travelled ("as the bird flies"): 1487 Km. So the average speed is roughly 496 Km.
There is an 1 hour time difference between Bangkok and Hong Kong
The best day to arrive at Bangkok is Thursday and it would be best to avoid Sunday, as prices are on average 143.63% higher than on Thursday. (Average prices, based on 1498325 datapoints.)
We have a lot more statistics for flights HX 768 and between Bangkok and Hong Kong.