The best month to fly with Flight IW1979 is June and the most expensive month to fly is May. (Average prices, based on 3832 datapoints.)
The best day to arrive at Surabaya is Thursday and it would be best to avoid Friday, as prices are on average 6.43% higher than on Thursday. (Average prices, based on 14020380 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 327 datapoints.)