Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 21:45 and arrives at Singapore Changi Airport at 00:40.
The flighttime is about 1h 55m. The distance travelled ("as the bird flies"): 369 Km. So the average speed is roughly 193 Km.
There is an 1 hour time difference between Jakarta and Singapore
The best month to arrive at Jakarta is February and the most expensive month to fly is September. (Average prices, based on 1820 datapoints.)
The best day to arrive at Jakarta is Saturday and it would be best to avoid Friday, as prices are on average 64.71% higher than on Saturday. (Average prices, based on 548384984 datapoints.)
The best time to book is 50 days before the departure date. You will get, on average, the cheapest price for flight JQ 206. (Average prices, based on 7769 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 4990 datapoints.)
We have a lot more statistics for flights JQ 206 and between Jakarta and Singapore.