Jejudo and before the year as Cheju-do, is the largest island off the coast of the Korean When Korea was annexed by Japan in , Jeju then became known as Saishū, which is the Japanese reading of the hanja for Jeju. Location : East Asia. The LP guide to S. Korea mentions that there are direct flights between Jeju -do and four cities in Japan, but doesn't name these cities, nor the. Find low-price flights from Jeju Island to Japan with no booking fees! Compare deals and schedules for the top airlines flying to and from Japan. Very small deposits of calcite are common in lava tube caves, and are more significantly developed as speleothems in Duck Creek cave in Utah, USA. The Korean War The flight to Fukuoka is usually the cheapest option. Home Search forums Jump to forum. Three directly next to the bus parking area are You-cheong, Oh-cheon, and Nam-san.