Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 22:00 and arrives at Hong Kong Hong Kong International Airport at 02:05.
The flighttime is about 3h 05m. The distance travelled ("as the bird flies"): 1487 Km. So the average speed is roughly 482 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 Wednesday, as prices are on average 268.9% higher than on Monday. (Average prices, based on 5100169 datapoints.)
We have a lot more statistics for flights HX 766 and between Bangkok and Hong Kong.
