Jeju City to Cheongju-si (CJU-CJJ): nonstop flights and who flies them

Korean Air, Coyne Aviation, Asiana Airlines, Jin Air, and Arcus-Air Logistic fly nonstop between Jeju City (CJU) and Cheongju-si (CJJ), roughly 124 times a week. With this many departures on a short sector, premium cabins are small and turn over daily, so upgrade or award space opens and closes within hours. Korean Air, Coyne Aviation, Asiana Airlines, Jin Air, and Arcus-Air Logistic fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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124
Nonstop flights a week
229 mi
Nonstop distance
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Jeju City to Cheongju-si flight schedule

Scheduled nonstop departures for CJU to CJJ, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Jeju City (CJU) to Cheongju-si (CJJ)
Date Flight Airline Departs CJU Arrives CJJ Duration Aircraft
KE 1704Korean Air07:2008:301h 10m223
ZE 712Arcus-Air Logistic07:5009:001h 10m738
7C 212Coyne Aviation08:1009:201h 10m738
LJ 402Jin Air09:2510:351h 10m738
7C 214Coyne Aviation09:3010:401h 10m738
LJ 404Jin Air10:4011:551h 15m739
OZ 8232Asiana Airlines11:1012:201h 10m321
KE 1712Korean Air12:1513:251h 10m223
LJ 406Jin Air12:2513:351h 10m739
LJ 408Jin Air14:2515:351h 10m739
KE 1722Korean Air14:5016:051h 15m223
OZ 8234Asiana Airlines15:1016:201h 10m321
7C 226Coyne Aviation17:1018:201h 10m738
7C 228Coyne Aviation17:3018:401h 10m738
LJ 410Jin Air17:3518:451h 10m739
OZ 8238Asiana Airlines19:0020:101h 10m321
OZ 8236Asiana Airlines19:5021:001h 10m321
ZE 716Arcus-Air Logistic21:2522:451h 20m738
KE 1704Korean Air07:2008:301h 10m223
ZE 712Arcus-Air Logistic07:5009:001h 10m738
7C 212Coyne Aviation08:1009:201h 10m738
KE 1708Korean Air09:1010:201h 10m739
LJ 402Jin Air09:2510:351h 10m738
7C 214Coyne Aviation09:3010:401h 10m738
LJ 404Jin Air10:4011:551h 15m739
OZ 8232Asiana Airlines11:1012:201h 10m321
KE 1712Korean Air12:1513:251h 10m223
LJ 406Jin Air12:2513:351h 10m739
LJ 408Jin Air14:2515:351h 10m739
KE 1722Korean Air14:5016:051h 15m223
OZ 8234Asiana Airlines15:1016:201h 10m321
7C 226Coyne Aviation17:1018:201h 10m738
7C 228Coyne Aviation17:3018:401h 10m738
LJ 410Jin Air17:3518:451h 10m739
OZ 8238Asiana Airlines19:0020:101h 10m321
OZ 8236Asiana Airlines19:5021:001h 10m321
ZE 716Arcus-Air Logistic21:2522:451h 20m738
KE 1704Korean Air07:2008:301h 10m223
ZE 712Arcus-Air Logistic07:5009:001h 10m738
7C 212Coyne Aviation08:1009:201h 10m738

Showing the first 40 of 127 scheduled CJU to CJJ departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every CJU to CJJ date on the interactive map

The full CJU to CJJ nonstop schedule

Korean Air, Coyne Aviation, Asiana Airlines, Jin Air, and Arcus-Air Logistic fly the route nonstop in 2LNR's schedule data. This page carries the full CJU to CJJ nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

Confirmed upgrade and award seats on each CJU to CJJ departure, checked against live inventory so you know what is open before you book.

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Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See CJU to CJJ on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Jeju City to Cheongju-si nonstop

Carriers operating CJU to CJJ nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See CJU to CJJ on the interactive map →

Frequently asked questions about CJU to CJJ

How far is Cheongju-si from Jeju City?
CJU to CJJ covers about 229 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from CJU to CJJ?
Korean Air, Coyne Aviation, Asiana Airlines, Jin Air, and Arcus-Air Logistic fly the route nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the CJU to CJJ schedule rather than a space claim.
How many flights a week are there from CJU to CJJ?
About 124 nonstop flights a week run between Jeju City and Cheongju-si in the current schedule, operated by Korean Air, Coyne Aviation, Asiana Airlines, Jin Air, and Arcus-Air Logistic. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from CJU to CJJ depart?
Scheduled CJU to CJJ nonstops in the next 7 days with service leave between 07:20 and 21:25, local time at Jeju City. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Does 2LNR show upgrade or award space on CJU to CJJ?
Not on this route: none of Korean Air, Coyne Aviation, Asiana Airlines, Jin Air, and Arcus-Air Logistic is a carrier 2LNR reads inventory for. The page carries the full CJU to CJJ nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full CJU to CJJ nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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