Most flights into Seoul arrive in the larger sized Incheon Airport which is situated about 60km away from downtown Seoul, but some arrive into Gimpo Airport which is located closer to the city (close to 20km away). Each the bus community and Subway / Metro community in Seoul is productive https://judahfuf1m.blog5.net/84970219/the-basic-principles-of-seoul-gangnam-퍼펙트가라오케-nightlife-place