The best month to fly with Flight IW1238 is March and the most expensive month to fly is September. (Average prices, based on 739 datapoints.)
The best day to arrive at Pekanbaru is Tuesday and it would be best to avoid Saturday, as prices are on average 3.16% higher than on Tuesday. (Average prices, based on 5670157 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 445 datapoints.)