The best month to fly with Flight JT128 is October and the most expensive month to fly is May. (Average prices, based on 887 datapoints.)
The best day to arrive at Jakarta is Tuesday and it would be best to avoid Thursday, as prices are on average 5.62% higher than on Tuesday. (Average prices, based on 12472073 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 147 datapoints.)