The best month to fly with Flight JT839 is September and the most expensive month to fly is December. (Average prices, based on 8550 datapoints.)
The best day to arrive at Pontianak is Saturday and it would be best to avoid Friday, as prices are on average 10.19% higher than on Saturday. (Average prices, based on 11204375 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 896 datapoints.)