The best month to fly with Flight IW1238 is October and the most expensive month to fly is December. (Average prices, based on 697 datapoints.)
The best day to arrive at Pekanbaru is Monday and it would be best to avoid Saturday, as prices are on average 3.17% higher than on Monday. (Average prices, based on 5557539 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 440 datapoints.)