Jeju Airport Guesthouse Green Day is a hostel near Jeju Airport and Dongmun Market. Breakfast runs from 7 to 9 a.m. with bread, juice, milk, rice and soup, and guests wash their own dishes. The first-floor living room has board games and comic books, the airport is a comfortable 20 minutes away by bus, and a free public parking lot sits behind the building. Rooms are small and the beds are on the hard side.