Please be aware that Seoul has multiple airports and that these results are for all airports serving the city.
The best month to fly between Seoul and Hong Kong is March and the most expensive month to fly is April. (Average prices, based on 363 datapoints.)
The best day to arrive at Seoul is Wednesday and it would be best to avoid Thursday, as prices are on average 35.22% higher than on Wednesday. (Average prices, based on 363 datapoints.)
