Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 12:00 and arrives at Hong Kong Hong Kong International Airport at 16:15.
The flighttime is about 3h 15m. The distance travelled ("as the bird flies"): 1487 Km. So the average speed is roughly 458 Km.
There is an 1 hour time difference between Bangkok and Hong Kong
The best day to arrive at Bangkok is Sunday and it would be best to avoid Monday, as prices are on average 208.26% higher than on Sunday. (Average prices, based on 1468839 datapoints.)
We have a lot more statistics for flights CX 618 and between Bangkok and Hong Kong.