The best month to fly with Flight IU660 is February and the most expensive month to fly is July. (Average prices, based on 396 datapoints.)
The best day to arrive at Yogyakarta is Wednesday and it would be best to avoid Saturday, as prices are on average 1.74% higher than on Wednesday. (Average prices, based on 1022180 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 386 datapoints.)