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 Tuesday and it would be best to avoid Monday, as prices are on average 46.21% higher than on Tuesday. (Average prices, based on 1025380 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 107 datapoints.)
We have a lot more statistics for flights HX 768 and between Bangkok and Hong Kong.