| name | Hub | image | date Ceased operations | date Commenced operations | IATA Code | ICAO Code | city Headquarters | administrative division Headquarters | country Headquarters | continent Headquarters | Country | continent | Parent | number of aircrafts | number of destinations | Website |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air Busan | Gimhae International Airport |  | 2007 | BX | ABL | Busan | Busan | South Korea | Asia | South Korea | Asia | KT Kumho Rent A Car | 16 | 14 | Website | |
| Asiana Airlines | Incheon International Airport |  | 17/02/1988 | OZ | AAR | Osoe-dong | Seoul | South Korea | Asia | South Korea | Asia | KT Kumho Rent A Car | 82 | 108 | Website | |
| Korean Air | Incheon International Airport |  | 01/03/1969 | KE | KAL | Gonghang-dong | Seoul | South Korea | Asia | South Korea | Asia | Hanjin | 173 | 133 | Website | |
| Jeju Air | Jeju International Airport |  | 2005 | 7C | JJA | Jeju City | Jeju | South Korea | Asia | South Korea | Asia | South Korea | 15 | 14 | Website | |
| Jin Air | Incheon International Airport |  | 2008 | LJ | JNA | South Korea | Asia | Hanjin | 22 | 15 | Website |