The best month to fly with Flight JT128 is October and the most expensive month to fly is May. (Average prices, based on 290 datapoints.)
The best day to arrive at Jakarta is Wednesday and it would be best to avoid Saturday, as prices are on average 12.87% higher than on Wednesday. (Average prices, based on 19269185 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 284 datapoints.)