Jeju International Airport (CJU)
Jeju International Airport (CJU) currently has nonstop service to 34 destinations on 21 airlines in our latest departure data. The busiest route is to Seoul (GMP), served by 9 carriers, and the largest operator here is Jin Air with nonstops to 12 destinations. 21 of its routes are international.
Route data as of June 15, 2026, based on a 7-day departures sample.
How CJU is connected
21 international routes in this schedule set
South Korea 13 · China 12 · Japan 3
103-104/day on 9 airlines
Airbus A320 family · Boeing 737 · Airbus A220
CJU route guides with flight times
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
21 airlines fly direct from CJU
Ranked by destinations served, then daily frequency.
Direct flights to 34 cities
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
GMP · Seoul9 airlines · 103-104/day · Boeing 737, Airbus A220
View CJU–GMP route guide →- Jeju Air · Boeing 73724-25/day
- Korean Air · Boeing 73722/day
- EASTAR JET · Boeing 73717-18/day
Quick answers
Where is Jeju International Airport?
Jeju International Airport (CJU / RKPC) is located in Jeju City, South Korea.
What is the IATA code for Jeju International Airport?
The IATA code is CJU. The ICAO code is RKPC.
What is the busiest route from CJU?
The busiest scheduled route from CJU in our current departure data is CJU to GMP (Seoul), with 103-104/day across 9 airlines.
Who is the largest operator at CJU?
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