The best month to fly with Flight KE627 is October and the most expensive month to fly is February. (Average prices, based on 284 datapoints.)
The best day to arrive at Seoul is Thursday and it would be best to avoid Wednesday, as prices are on average 16.88% higher than on Thursday. (Average prices, based on 9542296 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 332 datapoints.)