The contributors of Flight-Report published 19 reviews on 6 airlines on the route Seoul - Gimpo (GMP) → Jeju City - Jeju (CJU). The airline with the best average rating is Korean Air with 8.0/10. The average flight time is 1 hours and 39 minutes.
Airlines on this route are:
Frequent travelers recommend "Asiana Lounge (Domestic)" at GMP for comfort and meals/catering.