| Location | ICAO | IATA | Operator | Airport name |
| Civil airports |
| Seoul/Incheon | RKSI | ICN | Incheon International Airport Corporation | Incheon International Airport |
| Seoul/Gimpo | RKSS | GMP | Korea Airports Corporation | Gimpo International Airport |
| Jeju | RKPC | CJU | Korea Airports Corporation | Jeju International Airport |
| Muan | RKJB | MWX | Korea Airports Corporation | Muan International Airport |
| Ulsan | RKPU | USN | Korea Airports Corporation | Ulsan Airport |
| Yangyang | RKNY | YNY | Korea Airports Corporation | Yangyang International Airport |
| Yeosu | RKJY | RSU | Korea Airports Corporation | Yeosu Airport |
| Military/civil dual-use airports |
| Busan | RKPK | PUS | Korea Airports Corporation,
Republic of Korea Air Force | Gimhae International Airport |
| Cheongju | RKTU | CJJ | Korea Airports Corporation,
Republic of Korea Air Force | Cheongju International Airport |
| Daegu | RKTN | TAE | Korea Airports Corporation,
Republic of Korea Air Force | Daegu International Airport |
| Gunsan | RKJK | KUV | Korea Airports Corporation,
Republic of Korea Air Force,
United States Air Force (USAFK) | Gunsan Airport |
| Gwangju | RKJJ | KWJ | Korea Airports Corporation,
Republic of Korea Air Force | Gwangju Airport |
| Pohang | RKTH | KPO | Korea Airports Corporation,
Republic of Korea Navy | Pohang Gyeongju Airport |
| Sacheon | RKPS | HIN | Korea Airports Corporation,
Republic of Korea Air Force | Sacheon Airport |
| Wonju/Hoengseong | RKNW | WJU | Korea Airports Corporation,
Republic of Korea Air Force | Wonju Airport |
| Civil airfields |
| Jeju/Seogwipo | RKPD | JDG | Korean Air | Jeongseok Airport (Jungseok Airport) |
| Taean | RKTA | | Hanseo University | Hanseo University Taean Airfield |
| Uljin | RKTL | UJN | Busan Regional Aviation Administration,
Korea Aerospace University,
Korea Aviation College | Uljin Airfield |
| Military airport |
| Seoul/Seongnam | RKSM | SSN | Republic of Korea Air Force | Seoul Air Base |
| Military airbases |
| Chungju | RKTI | | Republic of Korea Air Force | Jungwon Air Base |
| Cheongju/Korea Air Force Academy | RKTE | | Republic of Korea Air Force | Seongmu Air Base |
| Gangneung | RKNN | KAG | Republic of Korea Air Force | Gangneung Air Base |
| Goyang | RKRS | | Republic of Korea Army,
Korea Aerospace University | Susaek Air Base |
| Jeonju | RKJU | CHN | Republic of Korea Army | Jeonju Air Base |
| Jinhae | RKPE | CHF | Republic of Korea Navy | Jinhae Air Base |
| Mokpo | RKJM | MPK | Republic of Korea Navy | Mokpo Air Base |
| Pyeongtaek | RKSG | | United States Army (USFK) | Camp Humphreys |
| Pyeongtaek/Osan | RKSO | OSN | United States Air Force (USAFK) | Osan Air Base |
| Seosan | RKTP | HMY[1] | Republic of Korea Air Force | Seosan Air Base |
| Sokcho | RKND | SHO | Republic of Korea Army | Sokcho Air Base |
| Suwon | RKSW | SWU | Republic of Korea Air Force | Suwon Air Base |
| Yecheon | RKTY | YEC | Republic of Korea Air Force | Yecheon Air Base |
| Promulgated construction plans |
| Jeju/Seogwipo | | | Korea Airports Corporation | Jeju Second International Airport (not decided yet) |
| Sinan/Heuksando | | | Korea Airports Corporation | Heuksando Airport |
| Ulleung | | | Korea Airports Corporation | Ulleung Airport |
| Defunct |
| Seoul | | | | Yeouido Airport |
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