Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 08:10 and arrives at Hong Kong Hong Kong International Airport at 12:10.
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 Friday and it would be best to avoid Wednesday, as prices are on average 66.67% higher than on Friday. (Average prices, based on 1467407 datapoints.)
We have a lot more statistics for flights CX 700 and between Bangkok and Hong Kong.