AirportMiles

Airports in South Korea

15 airports with scheduled flights, busiest first.

South Korea has 15 airports with scheduled passenger flights and an IATA code, 8 of them large. The busiest are Incheon International Airport (ICN, 74.1 million passengers, Korea Airports Corporation, 2025), Jeju International Airport (CJU, 29.7 million passengers, Wikidata, 2022) and Seoul Gimpo International Airport (GMP, 23.0 million passengers, Korea Airports Corporation, 2025). Seoul has more than one airport; a city code (SEL for Seoul) stands for all of a city's airports on tickets and in flight searches.

Code Airport
ICNIncheon International Airport
CJUJeju International Airport
GMPSeoul Gimpo International Airport
PUSGimhae International Airport
CJJCheongju International Airport/Cheongju Air Base (K-59/G-513)
TAEDaegu International Airport
KWJGwangju Airport
RSUYeosu Airport
USNUlsan Airport
KUVGunsan Airport / Gunsan Air Base
HINSacheon Airport / Sacheon Air Base
KPOPohang Airport (G-815/K-3)
WJUWonju Airport / Hoengseong Air Base (K-38/K-46)
YNYYangyang International Airport
MWXMuan International Airport

Cities with more than one airport

Busiest routes

Route Distance Passengers
ICN – NRT1,260 km 2,519,026 (6 mo)
ICN – KIX862 km 2,313,960 (6 mo)
FUK – ICN563 km 1,708,245 (6 mo)
HKG – ICN2,067 km 1,316,010 (6 mo)
ICN – TPE1,460 km 1,184,972 (6 mo)
ICN – PVG821 km 1,111,272 (6 mo)
BKK – ICN3,665 km 950,069 (6 mo)
DAD – ICN2,976 km 941,076 (6 mo)
ICN – SIN4,614 km 900,158 (6 mo)
ICN – TAO580 km 797,360 (6 mo)
ICN – PUS338 km 214,422 (6 mo)
GUM – PUS2,883 km 90,464
ICN – TAE263 km 25,463 (6 mo)
CJU – ICN439 km 5,071 (6 mo)
PUS – SPN2,784 km 1,113
ATL – PUS11,635 km 516
DTW – PUS10,828 km 262
PUS – SEA8,440 km 262
BOS – PUS11,182 km 241

Questions

South Korea has 15 airports with scheduled passenger flights and an IATA code, 8 of them large airports (OurAirports, 14 October 2026). Airfields without airline service are not counted.