The best month to fly with Flight JT6121 is September and the most expensive month to fly is February. (Average prices, based on 829 datapoints.)
The best day to arrive at Jakarta is Friday and it would be best to avoid Monday, as prices are on average 17.93% higher than on Friday. (Average prices, based on 229322674 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 101 datapoints.)