Ulsan to Jeju City (USN-CJU): nonstop flights and who flies them

Korean Air and Air Busan fly nonstop between Ulsan (USN) and Jeju City (CJU), roughly 21 times a week. With this many departures on a short sector, premium cabins are small and turn over daily, so upgrade or award space opens and closes within hours. Korean Air and Air Busan fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

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

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21
Nonstop flights a week
217 mi
Nonstop distance
Free
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Ulsan to Jeju City flight schedule

Scheduled nonstop departures for USN to CJU, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Ulsan (USN) to Jeju City (CJU)
Date Flight Airline Departs USN Arrives CJU Duration Aircraft
BX 8301Air Busan11:4012:451h 5m320
KE 1595Korean Air15:0016:101h 10m223
BX 8305Air Busan17:5019:001h 10m320
BX 8301Air Busan11:4012:451h 5m320
KE 1595Korean Air15:0016:101h 10m223
BX 8305Air Busan17:5019:001h 10m320
BX 8301Air Busan11:2012:351h 15m320
KE 1595Korean Air15:0016:101h 10m223
BX 8305Air Busan17:5019:051h 15m320
BX 8301Air Busan11:2012:351h 15m320
KE 1595Korean Air15:0016:101h 10m223
BX 8305Air Busan17:5019:001h 10m320
BX 8301Air Busan11:2012:351h 15m320
KE 1595Korean Air15:0016:101h 10m223
BX 8305Air Busan17:5019:001h 10m320
BX 8301Air Busan11:2012:351h 15m320
KE 1595Korean Air15:0016:101h 10m223
BX 8305Air Busan17:5019:001h 10m320
BX 8301Air Busan11:2012:351h 15m320
KE 1595Korean Air15:0016:101h 10m223
BX 8305Air Busan17:5019:001h 10m320

Showing all 21 scheduled USN to CJU departures across the next 7 days with service. 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 has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every USN to CJU date on the interactive map

The full USN to CJU nonstop schedule

Korean Air and Air Busan fly the route nonstop in 2LNR's schedule data. 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 real availability

Confirmed upgrade and award seats on each USN to CJU departure, checked against live inventory so you know what is open before you book.

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Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

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. 2LNR tracks confirmed upgrade and award space on each of them.

See USN to CJU on the interactive map →

Frequently asked questions about USN to CJU

How far is Jeju City from Ulsan?
USN to CJU covers about 217 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from USN to CJU?
Korean Air and Air Busan fly the route nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the USN to CJU schedule rather than a space claim.
How many flights a week are there from USN to CJU?
About 21 nonstop flights a week run between Ulsan and Jeju City in the current schedule, operated by Korean Air and Air Busan. 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 11:20 and 17:50, local time at Ulsan. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Does 2LNR show upgrade or award space on USN to CJU?
Not on this route: none of Korean Air and Air Busan is a carrier 2LNR reads inventory for. The page carries the full USN to CJU nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full USN to CJU nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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