The best month to fly with Flight JT128 is October and the most expensive month to fly is May. (Average prices, based on 341 datapoints.)
The best day to arrive at Jakarta is Wednesday and it would be best to avoid Saturday, as prices are on average 11.23% higher than on Wednesday. (Average prices, based on 21592482 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 336 datapoints.)