Please be aware that Seoul has multiple airports and that these results are for all airports serving the city.
The best month to arrive at Seoul is July and the most expensive month to fly is October. (Average prices, based on 1153 datapoints.)
The best day to arrive at Seoul is Wednesday and it would be best to avoid Saturday, as prices are on average 21.91% higher than on Wednesday. (Average prices, based on 3435 datapoints.)
The cheapest airline flying to Seoul is Hong Kong Express. They are 40% cheaper than Air Seoul. (Average prices, based on 1258 datapoints.)
At Seoul the most flights depart around 23:00. (Hourly flights, based on 1457 datapoints.)
From Seoul it is on average the cheapest to fly to Shanghai and to Osaka. (Average prices, based on 2424 datapoints.)
From Seoul most of the flights depart to Tokyo, second best connected from Seoul is Kuala Lumpur. (Daily flights, based on 137 datapoints.)
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