The best month to fly with Flight JT921 is May and the most expensive month to fly is August. (Average prices, based on 2087 datapoints.)
The best day to arrive at Palembang is Monday and it would be best to avoid Tuesday, as prices are on average 3.43% higher than on Monday. (Average prices, based on 110126095 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 606 datapoints.)