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

Air Seoul has one Kumamoto (KMJ) to Jeju City (CJU) nonstop scheduled in the coming weeks, according to 2LNR's schedule data.

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

Updated .

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1h 45m
Scheduled flight time
257 mi
Nonstop distance
Free
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Kumamoto to Jeju City flight schedule

Scheduled nonstop departures for KMJ to CJU starting October 21, 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 Kumamoto (KMJ) to Jeju City (CJU)
Date Flight Airline Departs KMJ Arrives CJU Duration Aircraft
RS 9286Air Seoul12:2514:101h 45mAirbus A321

Showing all 1 scheduled KMJ to CJU departures across 1 day with service, starting October 21, 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 KMJ to CJU date on the interactive map

Aircraft on the Kumamoto to Jeju City nonstop

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

The full KMJ to CJU nonstop schedule

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

See the schedule

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

Plan on the map

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

Airlines flying Kumamoto to Jeju City nonstop

Carriers operating KMJ to CJU nonstop in the current schedule.

See KMJ to CJU on the interactive map →

Frequently asked questions about KMJ to CJU

How long is the flight from Kumamoto (KMJ) to Jeju City (CJU)?
RS 9286, the one departure in the schedule table on this page, is scheduled at 1h 45m from Kumamoto (KMJ) to Jeju City (CJU). 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 KMJ to CJU?
Air Seoul is currently the only airline flying KMJ to CJU nonstop. 2LNR doesn't show award or upgrade space for it on KMJ to CJU, so this page carries the schedule rather than a space claim.
How often does KMJ to CJU operate?
2LNR's schedule data shows a single KMJ to CJU nonstop in the coming weeks, on Air Seoul, rather than a weekly service. Thin schedules like this change by season, and on Pro an alert will catch anything added.
What time do flights from KMJ to CJU depart?
On the next day with service, every scheduled KMJ to CJU nonstop leaves at 12:25 local time at Kumamoto. The schedule table on this page lists each departure by date.
Which flights operate KMJ to CJU nonstop?
Air Seoul flies RS 9286 nonstop from Kumamoto (KMJ) to Jeju City (CJU), 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 KMJ to CJU?
Not on this route: 2LNR doesn't show award or upgrade space for Air Seoul on KMJ to CJU. The page carries the full KMJ to CJU nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full KMJ to CJU 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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