The best month to fly with Flight JT1921 is February and the most expensive month to fly is September. (Average prices, based on 2598 datapoints.)
The best day to arrive at Kupang is Saturday and it would be best to avoid Thursday, as prices are on average 35.68% higher than on Saturday. (Average prices, based on 1438047 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 466 datapoints.)