The best month to fly with Flight JT128 is October and the most expensive month to fly is May. (Average prices, based on 254 datapoints.)
The best day to arrive at Jakarta is Wednesday and it would be best to avoid Saturday, as prices are on average 7.89% higher than on Wednesday. (Average prices, based on 17980435 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 250 datapoints.)