The best month to fly with Flight AK421 is April and the most expensive month to fly is June. (Average prices, based on 1572 datapoints.)
The best day to arrive at Kuala Lumpur is Sunday and it would be best to avoid Saturday, as prices are on average 43.92% higher than on Sunday. (Average prices, based on 2905239 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 184 datapoints.)