The best month to fly with Flight JT838 is October and the most expensive month to fly is August. (Average prices, based on 4143 datapoints.)
The best day to arrive at Surabaya is Saturday and it would be best to avoid Sunday, as prices are on average 5.42% higher than on Saturday. (Average prices, based on 16865855 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 736 datapoints.)