Seoul Airlines (에어서울; Air Seoul) is a low-cost airline in Korea, founded in 2015, is a subsidiary of the company, mainly engaged in air passenger and cargo business, the hub airport for Incheon International Airport, navigating to Tokyo, Osaka, Nagasaki, Hong Kong, Macau and other cities. The official website of Seoul Airlines is available in simplified Chinese and other languages, providing online ticketing and online check-in functions.