The best month to fly with Flight QZ221 is September and the most expensive month to fly is May. (Average prices, based on 313 datapoints.)
The best day to arrive at Penang is Wednesday and it would be best to avoid Saturday, as prices are on average 84.5% higher than on Wednesday. (Average prices, based on 931609 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 296 datapoints.)