Jeju Air Co., Ltd. (Korean: 제주항공; RR: Jeju Hanggong), is the first and largest South Korean low-cost airline. It offers scheduled domestic services, as well as international destinations including China, Japan, Russia, the Mariana Islands, and various Southeast Asian countries. It is also a founding member of the Value Alliance. Jeju Air is named after the Jeju Island.The airline, a member of AK group, has opened a Seoul head office tower hotel at Hongik station of the Seoul Metro, to diversify income. In November 2020, there were approximately 3,100 employees at the airline.