The best month to fly with Flight JT3973 is March and the most expensive month to fly is June. (Average prices, based on 22669 datapoints.)
The best day to arrive at Surabaya is Thursday and it would be best to avoid Saturday, as prices are on average 7.26% higher than on Thursday. (Average prices, based on 43812154 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 140 datapoints.)