Air Seoul (RS) is a Korean airline based in Seoul. The airline operates to six cities in Japan the three cities in Southeast Asia with its hub at Incheon International Airport (ICN). The airline operates only international flights with no domestic services. Air Seoul offers full service in comparison to low-cost airlines in Korea, including larger seats, greater weight allowance for baggage and inflight entertainment. The airline operates three Airbus A321-200 in an Economy only configuration and plans to introduce two more in 2017.