The best month to fly with Flight JT1811 is February and the most expensive month to fly is July. (Average prices, based on 570 datapoints.)
The best day to arrive at Surabaya is Friday and it would be best to avoid Tuesday, as prices are on average 24.25% higher than on Friday. (Average prices, based on 13950084 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 362 datapoints.)