이후 1990년 4월 개관하여 리무진버스 운행을 시작하였고 1993년 2월 건설교통부로부터 공항시설로 지정된 뒤 9월부터 여행사업부를 신설하여 여행 업무를 시작하였다.
After that, it opened in April 1990 and started operating a limousine bus. After it was designated as an airport facility by the Ministry of Construction and Transportation in February 1993, a new travel division was established in September to start travel business.