The best month to fly with Flight SL120 is February and the most expensive month to fly is June. (Average prices, based on 912 datapoints.)
The best day to arrive at Jakarta is Wednesday and it would be best to avoid Tuesday, as prices are on average 13.88% higher than on Wednesday. (Average prices, based on 18176857 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 898 datapoints.)