--- title: "Kumamoto (KMJ) to Jeju City (CJU) flights: who flies it" description: "Air Seoul has one KMJ to CJU nonstop scheduled in the coming weeks, covering 257 miles. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/kmj-cju" url: "https://2lnr.com/routes/kmj-cju.md" date_modified: "2026-10-18T05:10:47Z" --- # 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 October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 22, 2026. See KMJ to CJU on the interactive map [Get started free](https://2lnr.com/login) 1h 45m Scheduled flight time 257 mi Nonstop distance Free To get started ## 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. Scheduled nonstop departures from Kumamoto (KMJ) to Jeju City (CJU) | Date | Flight | Airline | Departs KMJ | Arrives CJU | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, Oct 31 | RS 9286 | Air Seoul | 12:25 | 14:10 | 1h 45m | Airbus 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. - [Air Seoul (RS) route map](https://2lnr.com/routes/airlines/rs.md)\ [The aircraft RS flies](https://2lnr.com/seatmaps/rs.md) 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. Flying the other way? See [CJU to KMJ nonstop flights](https://2lnr.com/routes/cju-kmj.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Kumamoto (KMJ)](https://2lnr.com/routes/kmj.md), or [every route from Jeju City (CJU)](https://2lnr.com/routes/cju.md). Nonstops to Jeju City (CJU) from other airports within 150 miles of Kumamoto (KMJ): - [Fukuoka (FUK) to Jeju City (CJU)](https://2lnr.com/routes/fuk-cju.md), 57 miles from KMJ Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## 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. [Get started free](https://2lnr.com/login)