The best month to fly with Flight GA319 is February and the most expensive month to fly is September. (Average prices, based on 1850 datapoints.)
The best day to arrive at Surabaya is Wednesday and it would be best to avoid Sunday, as prices are on average 22.93% higher than on Wednesday. (Average prices, based on 564733894 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 928 datapoints.)