Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 20:35 and arrives at Jakarta Soekarno–Hatta International Airport at 00:10.
The flighttime is about 3h 35m. The distance travelled ("as the bird flies"): 830 Km. So the average speed is roughly 232 Km.
The best day to arrive at Bangkok is Tuesday and it would be best to avoid Thursday, as prices are on average 16.51% higher than on Tuesday. (Average prices, based on 18124981 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 164 datapoints.)
We have a lot more statistics for flights PG 4305 and between Bangkok and Jakarta.
