Please be aware that Seoul has multiple airports and that these results are only for Gimpo International airport.
The best month to arrive at Seoul is April and the most expensive month to fly is August. (Average prices, based on 500 datapoints.)
The best day to arrive at Seoul is Tuesday and it would be best to avoid Sunday, as prices are on average 178.05% higher than on Tuesday. (Average prices, based on 390 datapoints.)
The cheapest airline flying to Seoul is Tway Airlines. They are 96% cheaper than All Nippon Airways. (Average prices, based on 526 datapoints.)
At Seoul the most flights depart around 08:00. (Hourly flights, based on 590 datapoints.)
From Seoul it is on average the cheapest to fly to Shanghai and to Osaka. (Average prices, based on 461 datapoints.)
