South Korea has 15 civilian airports. Direct flights from Japan serve Incheon, Gimpo, Gimhae, Jeju, Daegu, Cheongju, Muan, and Yangyang (as of October 2025).
A compiled list of all airports, domestic routes, and airlines in South Korea. Useful for airport conquest and riding every domestic route.
South Korean Airports (15)
| Name | Korean | IATA | Type | Domestic Destinations |
|---|---|---|---|---|
| Incheon | 인천 | ICN | International | Gimhae, Muan, Daegu |
| Gimpo | 김포 | GMP | International | Many |
| Yangyang | 양양 | YNY | International | Jeju, Yeosu |
| Muan | 무안 | MWX | International | Incheon, Gimpo, Jeju, Ulsan |
| Jeju | 제주 | CJU | International | Many |
| Daegu | 대구 | TAE | International | Incheon, Jeju |
| Cheongju | 청주 | CJJ | International | Jeju |
| Gimhae | 김해 | PUS | International | Incheon, Gimpo, Jeju |
| Ulsan | 울산 | USN | Domestic | Gimpo, Jeju, Muan |
| Yeosu | 여수 | RSU | Domestic | Gimpo, Jeju, Yangyang |
| Gwangju | 광주 | KWJ | Domestic | Gimpo, Jeju |
| Gunsan | 군산 | KUV | Domestic | Jeju |
| Wonju | 원주 | WJU | Domestic | Jeju |
| Pohang | 포항 | KPO | Domestic | Gimpo, Jeju |
| Sacheon | 사천 | HIN | Domestic | Gimpo, Jeju |
Most airports have routes to Jeju and Gimpo. Jeju is South Korea’s largest tourist destination; Gimpo is Seoul’s domestic flight hub.
Domestic Route Map
South Korean Airlines (12)
| Name | Korean | IATA | Notes |
|---|---|---|---|
| Korean Air | 대한항공 | KE | FSC |
| Asiana Airlines | 아시아나항공 | OZ | FSC |
| Air Premia | 에어프레미아 | YP | |
| Jeju Air | 제주항공 | 7C | LCC |
| Jin Air | 진에어 | LJ | LCC |
| Air Busan | 에어부산 | BX | LCC |
| Eastar Jet | 이스타항공 | ZE | LCC |
| T’way Air | 티웨이항공 | TW | LCC |
| Air Seoul | 에어서울 | RS | LCC |
| Fly Gangwon | 플라이강원 | 4V | |
| Aero K | 에어로케이항공 | RF | |
| Hi Air | 하이에어 | 4H |
Korean Air and Asiana Airlines are full-service carriers. The rest are LCCs or small regional airlines.