Am I able to check in at the Seoul Station City Airport? June 09, 2023 01:42 Updated Yes it is possible. Please see more information on the home page[Service > Airport Service > Airport counter information]. Related articles Which terminal is Jin Air at Incheon ? How early to check in at the airport? I want to know the location of the Jin Air check-in counters. Is it free to check in a baggage? Can I carry a hairspray on board?