The best month to fly with Flight GA138 is November and the most expensive month to fly is June. (Average prices, based on 1270 datapoints.)
The best day to arrive at Jakarta is Wednesday and it would be best to avoid Saturday, as prices are on average 80.38% higher than on Wednesday. (Average prices, based on 122501521 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 317 datapoints.)