Seoul’s closest major airport near Hongdae Music Show Theatre is Gimpo Intl. Airport (GMP), approximately 6 mi to the west. Alternatively, you can touch down at Incheon Intl. Airport (ICN), which is roughly 25 mi west of Hongdae Music Show Theatre. For a hassle-free way to get around Seoul, check to see if there are car rentals available at these airports or surrounding areas.