The best month to fly with Flight IU3902 is July and the most expensive month to fly is June. (Average prices, based on 1291 datapoints.)
The best day to arrive at Jakarta is Thursday and it would be best to avoid Sunday, as prices are on average 28.47% higher than on Thursday. (Average prices, based on 168183489 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 148 datapoints.)