The best month to fly with Flight IW1831 is April and the most expensive month to fly is March. (Average prices, based on 844 datapoints.)
The best day to arrive at Kupang is Friday and it would be best to avoid Saturday, as prices are on average 9.16% higher than on Friday. (Average prices, based on 2075927 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 631 datapoints.)