Air Busan Co., Ltd., operating as Air Busan is a low-cost airline based in Busanjin-gu, Busan, South Korea. It is a subsidiary of Asiana Airlines. The airline began its operation in 2007 as Busan International Airlines Company ; it launched service in October 2008.

Asiana Airlines Inc. is a South Korean airline headquartered in Seoul. In 2019, it accounted for 25% of South Korea's international aviation market and 20% of its domestic market. It maintains its international hub at Incheon International Airport in Seoul and Gimhae International Airport in Busan, and its domestic hub at Gimpo International Airport in Seoul. It is a full-service airline and a member of Star Alliance.