ICN Airport Code, Incheon International Airport
ICN is the IATA airport code for Incheon International Airport, one of the world's busiest airports, serving Seoul, South Korea. Pilots and air traffic control use its ICAO code, RKSI.
What airport is ICN?
ICN is the IATA airport code for Incheon International Airport, in Seoul, South Korea. The same airport has the ICAO code RKSI.
It ranks among the busiest airports in the world by scheduled connections, sitting at number 14 in our dataset. Its ICAO code RKSI begins with R, the prefix ICAO assigns to East Asia.
| IATA airport code | ICN |
|---|---|
| ICAO airport code | RKSI |
| Airport | Incheon International Airport |
| City | Seoul |
| Country | South Korea |
| Main airlines | KE, OZ, 7C |
| Runways | 4 |
Airport data comes from OurAirports (public domain), regenerated here on . How we build this · Data and sources.
Where is ICN airport located?
Incheon International Airport (ICN) is in Seoul, South Korea, at coordinates 37.4691, 126.451.
It lies in the northern and eastern hemispheres, at 37.47° N, 126.45° E. It is close to sea level at 23 ft (7 m), typical of a coastal or low-lying airport.
Runways at ICN
It has 4 runways. The longest is 13,123 ft (4.00 km), designated 16L/34R.
Which airlines fly to ICN?
The open route dataset lists KE (Korean Air), OZ (Asiana Airlines), 7C (Jeju Air), CZ (China Southern Airlines), LJ (Jin Air), CA (Air China) as operating carriers on nonstop routes touching Incheon International Airport.
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Where the ICN code comes from
ICN is INCheon, the coastal city west of Seoul where Korea built its 2001 mega-airport on reclaimed land between two islands. Seoul's older Gimpo kept GMP and the domestic traffic, while ICN took the international hub role for Korean Air and Asiana, plus the SEL metropolitan legacy of the capital.
Curious why codes look the way they do? Read how airport codes work.
Frequently asked questions
What is the IATA code for Incheon International Airport?
The IATA code for Incheon International Airport in Seoul is ICN. It is the three-letter code on tickets, baggage tags and departure boards.
What is the 3-letter code for Seoul?
The 3-letter IATA code for Incheon International Airport in Seoul is ICN.
What is the ICAO code for Incheon International Airport?
The ICAO code for Incheon International Airport is RKSI. Pilots and air traffic control use it, while airlines and booking systems use the IATA code ICN.
What is the difference between ICN and RKSI?
ICN is the IATA code used for tickets and baggage. RKSI is the ICAO code used by pilots and air traffic control for the same airport, Incheon International Airport.
Read more about Incheon International Airport on Wikipedia →
Nearby and related airports
Other airports in Seoul and South Korea and the wider region:
Popular routes from ICN
Distance and typical flight time from Incheon International Airport to other airports it connects with:
All 2 Seoul airports · All airports in South Korea · Busiest airports worldwide · ICN as JSON