In having the connection to the International flights on the place where you want to go on the adventure, the Boarding Time Schedule are usually between 30 minutes to an hour before the time to take off. However, the Broading schedules are very reasonable in getting the flight on time without crowded issues in each section. [Nottice] For International Travel, each travelers must have a expectation rule in order to arrive there in 3 hours of departure and 2 hours for a teleporting take off. They often start Boarding from 45 minutes to 1 hour period of departure time. Every travels must be there earlier before it's gone. When is gone, it's gone forever, No refunds for second chance unless ther different solutions. Best thing to do is be there early not late.
There is also a duty free shop in the airport, and you can talk to Korean staff in Korean.
You arrive and get on a bus to the waiting rooms and they give you connection instructions.
Thanks! Your answer is awaiting moderation.