--- title: "Ulsan (USN) to Jeju City (CJU) flights: who flies it" description: "Air Busan and Korean Air fly Ulsan (USN) to Jeju City (CJU) nonstop about 21 times a week, scheduled at 1h 5m to 1h 10m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/usn-cju" url: "https://2lnr.com/routes/usn-cju.md" date_modified: "2026-10-18T05:10:47Z" --- # Ulsan to Jeju City (USN-CJU): nonstop flights and who flies them Air Busan and Korean Air fly nonstop between Ulsan (USN) and Jeju City (CJU), roughly 21 times a week. The timetable below shows the nonstop scheduled at 1h 5m to 1h 10m for the 217 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 24, 2026. See USN to CJU on the interactive map [Get started free](https://2lnr.com/login) 21 Flights a week, 4-week average 1h 5m to 1h 10m Scheduled flight time 217 mi Nonstop distance Free To get started ## Ulsan to Jeju City flight schedule Scheduled nonstop departures for USN to CJU starting October 24, 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 Ulsan (USN) to Jeju City (CJU) | Date | Flight | Airline | Departs USN | Arrives CJU | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, Oct 24 | KE 1595 | Korean Air | 15:00 | 16:10 | 1h 10m | [Airbus A220-300](https://2lnr.com/seatmaps/ke/a220-300.md) | | Sat, Oct 24 | BX 8305 | Air Busan | 17:50 | 19:00 | 1h 10m | Airbus A320 | | Sun, Oct 25 | BX 8157 | Air Busan | 11:15 | 12:20 | 1h 5m | Airbus A320 | | Sun, Oct 25 | KE 1595 | Korean Air | 15:50 | 16:55 | 1h 5m | Airbus A220-300 | | Sun, Oct 25 | BX 8159 | Air Busan | 18:00 | 19:10 | 1h 10m | Airbus A320 | | Mon, Oct 26 | BX 8157 | Air Busan | 11:15 | 12:20 | 1h 5m | Airbus A320 | | Mon, Oct 26 | KE 1595 | Korean Air | 15:50 | 16:55 | 1h 5m | Airbus A220-300 | | Mon, Oct 26 | BX 8159 | Air Busan | 18:00 | 19:10 | 1h 10m | Airbus A320 | | Tue, Oct 27 | BX 8157 | Air Busan | 11:15 | 12:20 | 1h 5m | Airbus A320 | | Tue, Oct 27 | KE 1595 | Korean Air | 15:50 | 16:55 | 1h 5m | Airbus A220-300 | | Tue, Oct 27 | BX 8159 | Air Busan | 18:00 | 19:10 | 1h 10m | Airbus A320 | | Wed, Oct 28 | BX 8157 | Air Busan | 11:15 | 12:20 | 1h 5m | Airbus A320 | | Wed, Oct 28 | KE 1595 | Korean Air | 15:50 | 16:55 | 1h 5m | Airbus A220-300 | | Wed, Oct 28 | BX 8159 | Air Busan | 18:00 | 19:10 | 1h 10m | Airbus A320 | | Thu, Oct 29 | BX 8157 | Air Busan | 11:15 | 12:20 | 1h 5m | Airbus A320 | | Thu, Oct 29 | KE 1595 | Korean Air | 15:50 | 16:55 | 1h 5m | Airbus A220-300 | | Thu, Oct 29 | BX 8159 | Air Busan | 18:00 | 19:10 | 1h 10m | Airbus A320 | | Fri, Oct 30 | BX 8157 | Air Busan | 11:15 | 12:20 | 1h 5m | Airbus A320 | | Fri, Oct 30 | KE 1595 | Korean Air | 15:50 | 16:55 | 1h 5m | Airbus A220-300 | | Fri, Oct 30 | BX 8159 | Air Busan | 18:00 | 19:10 | 1h 10m | Airbus A320 | Showing all 20 scheduled USN to CJU departures across 7 days with service, starting October 24, 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 USN to CJU date on the interactive map ## Aircraft on the Ulsan to Jeju City nonstop In the schedule table on this page, Air Busan flies the Airbus A320, and Korean Air flies the [Airbus A220-300](https://2lnr.com/seatmaps/ke/a220-300.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full USN to CJU nonstop schedule This page carries the full USN 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 USN to CJU nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See USN to CJU on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Ulsan to Jeju City nonstop Carriers operating USN to CJU nonstop in the current schedule. - [Air Busan (BX) route map](https://2lnr.com/routes/airlines/bx.md)\ [The aircraft BX flies](https://2lnr.com/seatmaps/bx.md) - [Korean Air (KE) route map](https://2lnr.com/routes/airlines/ke.md)\ [The aircraft KE flies](https://2lnr.com/seatmaps/ke.md) See USN to CJU on the interactive map → ## Frequently asked questions about USN to CJU **How long is the flight from Ulsan (USN) to Jeju City (CJU)?** Scheduled flight times from Ulsan (USN) to Jeju City (CJU) run from 1h 5m to 1h 10m across the departures in the schedule table on this page. The nonstop covers about 217 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from USN to CJU?** Air Busan and Korean Air fly USN to CJU nonstop. **How many flights a week are there from USN to CJU?** About 21 nonstop flights a week run between Ulsan (USN) and Jeju City (CJU) in the current schedule, operated by Air Busan and Korean Air. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from USN to CJU depart?** Scheduled USN to CJU nonstops in the next 7 days with service leave between 11:15 and 18:00, local time at Ulsan. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate USN to CJU nonstop?** In the schedule table on this page, USN to CJU nonstops fly as BX 8157, BX 8159, and BX 8305 on Air Busan, and KE 1595 on Korean Air. The table lists each departure by date with its times and aircraft. **Where do I find the USN to CJU schedule?** The page carries the full USN to CJU nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [CJU to USN nonstop flights](https://2lnr.com/routes/cju-usn.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Ulsan (USN)](https://2lnr.com/routes/usn.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 Ulsan (USN): - [Pohang (KPO) to Jeju City (CJU)](https://2lnr.com/routes/kpo-cju.md), 28 miles from USN - [Busan (PUS) to Jeju City (CJU)](https://2lnr.com/routes/pus-cju.md), 37 miles from USN - [Daegu (TAE) to Jeju City (CJU)](https://2lnr.com/routes/tae-cju.md), 45 miles from USN - [Chinju (HIN) to Jeju City (CJU)](https://2lnr.com/routes/hin-cju.md), 79 miles from USN - [Yeosu (RSU) to Jeju City (CJU)](https://2lnr.com/routes/rsu-cju.md), 111 miles from USN 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 USN to CJU nonstop schedule Every scheduled departure on this route, with who flies it. [Get started free](https://2lnr.com/login)