The best month to fly with Flight JT542 is September and the most expensive month to fly is July. (Average prices, based on 2952 datapoints.)
The best day to arrive at Surabaya is Monday and it would be best to avoid Sunday, as prices are on average 7.76% higher than on Monday. (Average prices, based on 93462832 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 682 datapoints.)