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. How much is the extra baggage charge? When can I start check-in on the day of my flight?