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IATA ICNICAO RKSI

Incheon International Airport

Seoul, Incheon-Gwangyeoksi, South Korea

Incheon International Airport is a large airport serving Seoul, South Korea. Its IATA code is ICN and its ICAO code is RKSI. The airport lies at an elevation of 23 ft (7 m) above sea level. It has 4 runway(s); the longest is 16L/34R, 13,123 ft (4,000 m) long. Local time follows the Asia/Seoul time zone.

Key facts

IATA code
ICN
ICAO code
RKSI
Airport type
Large airport
Elevation
23 ft (7 m)
Coordinates
37.4691, 126.4510
Time zone
Asia/Seoul
Local time now
—
Scheduled service
Yes

Location

GMP — Seoul Gimpo International AirportCJJ — Cheongju International AirportWJU — Wonju Airport / Hoengseong Air Base (K-38/K-46)KUV — Gunsan Airport / Gunsan Air BaseYNY — Yangyang International AirportFNJ — Pyongyang Sunan International AirportWOS — Wonsan Kalma AirportKWJ — Gwangju AirportGMPCJJWJUKUVYNYFNJWOSKWJICN
Natural Earth · 37.4691, 126.4510Open in OpenStreetMap ↗

Runways

RunwayLengthWidthSurfaceLighted
15L/33R12,303 ft · 3,750 m197 ft · 60 mAsphaltYes
15R/33L12,303 ft · 3,750 m197 ft · 60 mAsphaltYes
16L/34R13,123 ft · 4,000 m197 ft · 60 mAsphaltYes
16R/34L12,303 ft · 3,750 m197 ft · 60 mAsphaltYes

Nearest airports

Airports with scheduled service closest to Incheon International Airport, by great-circle distance.

AirportCityDistance
GMP Seoul Gimpo International AirportSeoul, South Korea32 km · 20 mi
CJJ Cheongju International AirportCheongju, South Korea125 km · 78 mi
WJU Wonju Airport / Hoengseong Air Base (K-38/K-46)Wonju, South Korea133 km · 83 mi
KUV Gunsan Airport / Gunsan Air BaseGunsan, South Korea175 km · 109 mi
YNY Yangyang International AirportGonghang-ro, South Korea206 km · 128 mi
FNJ Pyongyang Sunan International AirportPyongyang, North Korea207 km · 129 mi
WOS Wonsan Kalma AirportWonsan, North Korea209 km · 130 mi
KWJ Gwangju AirportGwangju, South Korea263 km · 163 mi

Distances to major hubs

Great-circle distances from ICN. These are geographic distances, not a list of operated flights.

Radio frequencies

Not for navigation. Always use official, current aeronautical publications.

TypeDescriptionMHz
APPSEOUL APP120.800
ATISATIS23.025
CLDCLNC DEL121.000
DEPSEOUL DEP121.350
GNDGND121.400
RMPRAMP CON121.650
TWRTWR118.200

External links

External links come from the source dataset and are not independently verified by FlyingWorld.

Frequently asked questions

What is the airport code of Incheon International Airport?

The IATA code of Incheon International Airport is ICN and its ICAO code is RKSI.

Where is Incheon International Airport located?

Incheon International Airport is in Seoul, Incheon-Gwangyeoksi, South Korea, at 37.4691, 126.4510.

What time zone is Incheon International Airport in?

Incheon International Airport uses the IANA time zone Asia/Seoul. Daylight saving time, where applicable, is applied automatically by the clock on this page.

How long is the longest runway at Incheon International Airport?

The longest runway listed is 16L/34R, 13,123 ft (4,000 m) long.

What is the nearest airport to Incheon International Airport?

The nearest airport with scheduled service in our directory is Seoul Gimpo International Airport (GMP), about 32 km (20 mi) away.

Source: OurAirports (data updated: 9 November 2026). Not for navigation. Always use official, current aeronautical publications.