The best month to fly with Flight SL1973 is February and the most expensive month to fly is July. (Average prices, based on 570 datapoints.)
The best day to arrive at Surabaya is Wednesday and it would be best to avoid Friday, as prices are on average 15.25% higher than on Wednesday. (Average prices, based on 13951527 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 244 datapoints.)