At Gimhae Airport, the 24-hour small-car maximum in P1/P2 is KRW 10,000 Monday–Thursday and KRW 15,000 Friday–Sunday and public holidays. P3 has respective caps of KRW 7,000 and KRW 10,000.
The base charge is KRW 900 for 30 minutes plus KRW 300 per ten minutes. Exit is free within ten minutes at P1/P2 and within 20 minutes at P3. P3 may fill up on weekends or during busy seasons, so check alternatives and their rates before leaving.