Flight Changi Airport departs from Singapore Changi Airport at 20:00 and arrives at Jakarta Soekarno–Hatta International Airport at 21:05.
The flighttime is about 2h 05m. The distance travelled ("as the bird flies"): 369 Km. So the average speed is roughly 177 Km.
There is an 1 hour time difference between Singapore and Jakarta
The best month to arrive at Singapore is February and the most expensive month to fly is July. (Average prices, based on 5387 datapoints.)
The best day to arrive at Singapore is Thursday and it would be best to avoid Sunday, as prices are on average 36.48% higher than on Thursday. (Average prices, based on 287241373 datapoints.)
The best time to book is 43 days before the departure date. You will get, on average, the cheapest price for flight JQ 205. (Average prices, based on 4427 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 4977 datapoints.)
We have a lot more statistics for flights JQ 205 and between Singapore and Jakarta.