The best month to fly with Flight JT1981 is June and the most expensive month to fly is May. (Average prices, based on 3832 datapoints.)
The best day to arrive at Surabaya is Tuesday and it would be best to avoid Sunday, as prices are on average 25.67% higher than on Tuesday. (Average prices, based on 14077585 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 121 datapoints.)