--- title: "Cheongju-si to Jeju City flights: who flies CJJ-CJU" description: "Asiana Airlines, Korean Air, Jeju Air and 2 more airlines fly nonstop from CJJ to CJU, about 118 flights a week. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/cjj-cju" url: "https://2lnr.com/routes/cjj-cju.md" date_modified: "2026-10-18T05:10:47Z" --- # Cheongju-si to Jeju City (CJJ-CJU): nonstop flights and who flies them Asiana Airlines, Korean Air, Jeju Air, Jin Air, and Eastar Jet fly nonstop between Cheongju-si (CJJ) and Jeju City (CJU), roughly 118 times a week. The timetable below shows the nonstop scheduled at 1h 10m to 1h 15m for the 229 miles. 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 CJJ to CJU on the interactive map [Get started free](https://2lnr.com/login) 118 Flights a week, 4-week average 1h 10m to 1h 15m Scheduled flight time 229 mi Nonstop distance Free To get started ## Cheongju-si to Jeju City flight schedule Scheduled nonstop departures for CJJ to CJU starting October 22, 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 Cheongju-si (CJJ) to Jeju City (CJU) | Date | Flight | Airline | Departs CJJ | Arrives CJU | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | LJ 481 | Jin Air | 06:10 | 07:25 | 1h 15m | Boeing 737-900 | | Thu, Oct 22 | KE 1709 | Korean Air | 11:10 | 12:25 | 1h 15m | [Boeing 737-900](https://2lnr.com/seatmaps/ke/737-900.md) | | Thu, Oct 22 | LJ 403 | Jin Air | 12:40 | 13:50 | 1h 10m | Boeing 737-900 | | Thu, Oct 22 | OZ 8233 | Asiana Airlines | 12:55 | 14:05 | 1h 10m | [Airbus A321](https://2lnr.com/seatmaps/oz/a321.md) | | Thu, Oct 22 | KE 1717 | Korean Air | 14:05 | 15:15 | 1h 10m | [Airbus A220-300](https://2lnr.com/seatmaps/ke/a220-300.md) | | Thu, Oct 22 | LJ 405 | Jin Air | 14:10 | 15:20 | 1h 10m | Boeing 737-900 | | Thu, Oct 22 | LJ 407 | Jin Air | 16:25 | 17:35 | 1h 10m | Boeing 737-900 | | Thu, Oct 22 | OZ 8235 | Asiana Airlines | 17:10 | 18:20 | 1h 10m | Airbus A321 | | Thu, Oct 22 | KE 1725 | Korean Air | 17:20 | 18:30 | 1h 10m | Airbus A220-300 | | Thu, Oct 22 | 7C 225 | Jeju Air | 18:55 | 20:10 | 1h 15m | Boeing 737-800 | | Thu, Oct 22 | 7C 227 | Jeju Air | 19:15 | 20:25 | 1h 10m | Boeing 737-800 | | Thu, Oct 22 | LJ 409 | Jin Air | 19:25 | 20:35 | 1h 10m | Boeing 737-900 | | Thu, Oct 22 | ZE 715 | Eastar Jet | 20:30 | 21:40 | 1h 10m | Boeing 737-800 | | Thu, Oct 22 | OZ 8239 | Asiana Airlines | 21:10 | 22:20 | 1h 10m | Airbus A321 | | Fri, Oct 23 | LJ 481 | Jin Air | 06:10 | 07:20 | 1h 10m | Boeing 737-900 | | Fri, Oct 23 | ZE 711 | Eastar Jet | 07:40 | 08:50 | 1h 10m | Boeing 737-800 | | Fri, Oct 23 | KE 1707 | Korean Air | 09:25 | 10:40 | 1h 15m | Airbus A220-300 | | Fri, Oct 23 | 7C 211 | Jeju Air | 09:55 | 11:05 | 1h 10m | Boeing 737-800 | | Fri, Oct 23 | 7C 213 | Jeju Air | 11:15 | 12:25 | 1h 10m | Boeing 737-800 | | Fri, Oct 23 | LJ 401 | Jin Air | 11:25 | 12:40 | 1h 15m | Airbus A321 | | Fri, Oct 23 | LJ 403 | Jin Air | 12:25 | 13:35 | 1h 10m | Boeing 777-200 | | Fri, Oct 23 | OZ 8233 | Asiana Airlines | 12:55 | 14:05 | 1h 10m | Airbus A321 | | Fri, Oct 23 | KE 1717 | Korean Air | 14:05 | 15:15 | 1h 10m | Airbus A220-300 | | Fri, Oct 23 | LJ 405 | Jin Air | 14:10 | 15:20 | 1h 10m | Boeing 737-900 | | Fri, Oct 23 | LJ 407 | Jin Air | 16:25 | 17:35 | 1h 10m | Boeing 737-900 | | Fri, Oct 23 | OZ 8235 | Asiana Airlines | 17:10 | 18:20 | 1h 10m | Airbus A321 | | Fri, Oct 23 | KE 1725 | Korean Air | 17:20 | 18:30 | 1h 10m | Airbus A220-300 | | Fri, Oct 23 | 7C 225 | Jeju Air | 18:55 | 20:10 | 1h 15m | Boeing 737-800 | | Fri, Oct 23 | 7C 227 | Jeju Air | 19:15 | 20:25 | 1h 10m | Boeing 737-800 | | Fri, Oct 23 | LJ 409 | Jin Air | 19:25 | 20:35 | 1h 10m | Boeing 737-900 | | Fri, Oct 23 | ZE 715 | Eastar Jet | 20:30 | 21:40 | 1h 10m | Boeing 737-800 | | Fri, Oct 23 | OZ 8239 | Asiana Airlines | 21:10 | 22:20 | 1h 10m | Airbus A321 | | Fri, Oct 23 | LJ 417 | Jin Air | 21:15 | 22:25 | 1h 10m | Boeing 777-200 | | Sat, Oct 24 | LJ 481 | Jin Air | 06:10 | 07:20 | 1h 10m | Boeing 737-900 | | Sat, Oct 24 | ZE 711 | Eastar Jet | 07:40 | 08:50 | 1h 10m | Boeing 737-800 | | Sat, Oct 24 | KE 1707 | Korean Air | 09:25 | 10:40 | 1h 15m | Airbus A220-300 | | Sat, Oct 24 | 7C 211 | Jeju Air | 09:55 | 11:05 | 1h 10m | Boeing 737-800 | | Sat, Oct 24 | KE 1709 | Korean Air | 11:10 | 12:25 | 1h 15m | Boeing 737-900 | | Sat, Oct 24 | 7C 213 | Jeju Air | 11:15 | 12:25 | 1h 10m | Boeing 737-800 | | Sat, Oct 24 | LJ 401 | Jin Air | 11:25 | 12:40 | 1h 15m | Airbus A321 | Showing the first 40 of 119 scheduled CJJ to CJU departures across 7 days with service, starting October 22, 2026. 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 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 CJJ to CJU date on the interactive map ## Aircraft on the Cheongju-si to Jeju City nonstop In the schedule table on this page, Jin Air flies the Boeing 737-900, the Airbus A321, and the Boeing 777-200. Korean Air flies the [Airbus A220-300](https://2lnr.com/seatmaps/ke/a220-300.md) and the [Boeing 737-900](https://2lnr.com/seatmaps/ke/737-900.md). Jeju Air flies the Boeing 737-800. Asiana Airlines flies the [Airbus A321](https://2lnr.com/seatmaps/oz/a321.md). Eastar Jet flies the Boeing 737-800. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full CJJ to CJU nonstop schedule This page carries the full CJJ 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 CJJ to CJU nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See CJJ to CJU on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Cheongju-si to Jeju City nonstop Carriers operating CJJ to CJU nonstop in the current schedule. - [Asiana Airlines (OZ) route map](https://2lnr.com/routes/airlines/oz.md)\ [The aircraft OZ flies](https://2lnr.com/seatmaps/oz.md) - [Korean Air (KE) route map](https://2lnr.com/routes/airlines/ke.md)\ [The aircraft KE flies](https://2lnr.com/seatmaps/ke.md) - [Jeju Air (7C) route map](https://2lnr.com/routes/airlines/7c.md)\ [The aircraft 7C flies](https://2lnr.com/seatmaps/7c.md) - [Jin Air (LJ) route map](https://2lnr.com/routes/airlines/lj.md)\ [The aircraft LJ flies](https://2lnr.com/seatmaps/lj.md) - [Eastar Jet (ZE) route map](https://2lnr.com/routes/airlines/ze.md)\ [The aircraft ZE flies](https://2lnr.com/seatmaps/ze.md) See CJJ to CJU on the interactive map → ## Frequently asked questions about CJJ to CJU **How long is the flight from Cheongju-si (CJJ) to Jeju City (CJU)?** Scheduled flight times from Cheongju-si (CJJ) to Jeju City (CJU) run from 1h 10m to 1h 15m across the departures in the schedule table on this page. The nonstop covers about 229 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from CJJ to CJU?** Asiana Airlines, Korean Air, Jeju Air, Jin Air, and Eastar Jet fly CJJ to CJU nonstop. **How many flights a week are there from CJJ to CJU?** About 118 nonstop flights a week run between Cheongju-si (CJJ) and Jeju City (CJU) in the current schedule, operated by Asiana Airlines, Korean Air, Jeju Air, Jin Air, and Eastar Jet. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from CJJ to CJU depart?** Scheduled CJJ to CJU nonstops in the next 7 days with service leave between 06:10 and 21:15, local time at Cheongju-si. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate CJJ to CJU nonstop?** The schedule table on this page lists 20 flight numbers for CJJ to CJU nonstops, including LJ 403, LJ 405, LJ 407, and LJ 481 on Jin Air; KE 1709 and KE 1717 on Korean Air; and OZ 8233 and OZ 8235 on Asiana Airlines. The table lists each departure by date with its times and aircraft. **Where do I find the CJJ to CJU schedule?** The page carries the full CJJ to CJU nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [CJU to CJJ nonstop flights](https://2lnr.com/routes/cju-cjj.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Cheongju-si (CJJ)](https://2lnr.com/routes/cjj.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 Cheongju-si (CJJ): - [Wonju (WJU) to Jeju City (CJU)](https://2lnr.com/routes/wju-cju.md), 56 miles from CJJ - [Gunsan (KUV) to Jeju City (CJU)](https://2lnr.com/routes/kuv-cju.md), 65 miles from CJJ - [Seoul (GMP) to Jeju City (CJU)](https://2lnr.com/routes/gmp-cju.md), 70 miles from CJJ - [Seoul (ICN) to Jeju City (CJU)](https://2lnr.com/routes/icn-cju.md), 78 miles from CJJ - [Daegu (TAE) to Jeju City (CJU)](https://2lnr.com/routes/tae-cju.md), 86 miles from CJJ 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 CJJ to CJU nonstop schedule Every scheduled departure on this route, with who flies it. [Get started free](https://2lnr.com/login)