Sichuan Airlines Seoul Office The office, which is situated in the center of Seoul, offers a variety of services, such as ticketing, airline reservations, customer service, and help with visa formalities. Sichuan Airlines flies directly from Seoul to a number of Chinese cities, such as Hangzhou and Chengdu. The Seoul office guarantees a seamless and convenient travel experience for passengers, whether they are planning a business or pleasure trip. Their committed staff is available to answer questions and guarantee a hassle-free trip.