The best month to fly with Flight IW1831 is February and the most expensive month to fly is June. (Average prices, based on 3152 datapoints.)
The best day to arrive at Kupang is Sunday and it would be best to avoid Monday, as prices are on average 20.51% higher than on Sunday. (Average prices, based on 1002725 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 576 datapoints.)