The best month to fly with Flight JT3800 is September and the most expensive month to fly is July. (Average prices, based on 2952 datapoints.)
The best day to arrive at Surabaya is Wednesday and it would be best to avoid Saturday, as prices are on average 53.65% higher than on Wednesday. (Average prices, based on 94350303 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 115 datapoints.)