The best month to fly with Flight IW1931 is February and the most expensive month to fly is May. (Average prices, based on 259 datapoints.)
The best day to arrive at Kupang is Friday and it would be best to avoid Thursday, as prices are on average 29.53% higher than on Friday. (Average prices, based on 907284 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 152 datapoints.)