Jeju City to Kumamoto (CJU-KMJ): nonstop flights and who flies them

Air Seoul flies nonstop from Jeju City (CJU) to Kumamoto (KMJ) just twice a week. In the timetable below it flies as RS 9285, scheduled at 1h 25m for the 257 miles.

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

Updated .

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2
Flights a week, 4-week average
1h 25m
Scheduled flight time
257 mi
Nonstop distance
Free
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Jeju City to Kumamoto flight schedule

Scheduled nonstop departures for CJU to KMJ starting October 23, 2026, last checked against our schedule feed on October 18, 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 Kumamoto (KMJ)
Date Flight Airline Departs CJU Arrives KMJ Duration Aircraft
RS 9285Air Seoul10:0011:251h 25mAirbus A321
RS 9285Air Seoul13:0014:251h 25mAirbus A321

Showing all 2 scheduled CJU to KMJ departures across 2 days with service, starting October 23, 2026. Later dates are 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 hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure.

See every CJU to KMJ date on the interactive map

Aircraft on the Jeju City to Kumamoto nonstop

Air Seoul flies the Airbus A321 on every departure in the schedule table on this page.

The full CJU to KMJ nonstop schedule

This page carries the full CJU to KMJ nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See the schedule

Who operates each CJU to KMJ nonstop and how often it runs, from 2LNR's schedule data.

Plan on the map

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

Airlines flying Jeju City to Kumamoto nonstop

Carriers operating CJU to KMJ nonstop in the current schedule.

See CJU to KMJ on the interactive map →

Frequently asked questions about CJU to KMJ

How long is the flight from Jeju City (CJU) to Kumamoto (KMJ)?
RS 9285 is scheduled at 1h 25m from Jeju City (CJU) to Kumamoto (KMJ) on every departure in the schedule table on this page. The nonstop covers about 257 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.
Which airlines fly nonstop from CJU to KMJ?
Air Seoul is currently the only airline flying CJU to KMJ nonstop. 2LNR doesn't show award or upgrade space for it on CJU to KMJ, so this page carries the schedule rather than a space claim.
How often does CJU to KMJ operate?
The CJU to KMJ nonstop currently runs twice a week, on Air Seoul. Thin schedules like this change by season, and on Pro an alert will catch anything added.
What time do flights from CJU to KMJ depart?
Scheduled CJU to KMJ nonstops in the next 2 days with service leave between 10:00 and 13:00, local time at Jeju City. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Which flights operate CJU to KMJ nonstop?
Air Seoul flies RS 9285 nonstop from Jeju City (CJU) to Kumamoto (KMJ), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft.
Does 2LNR show upgrade or award space on CJU to KMJ?
Not on this route: 2LNR doesn't show award or upgrade space for Air Seoul on CJU to KMJ. The page carries the full CJU to KMJ nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full CJU to KMJ nonstop schedule

Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro.

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