Route guide

Jeju to Kunsan (CJU-KUV): Nonstop Upgrade & Award Space

Jin Air flies nonstop between Jeju (CJU) and Kunsan (KUV), roughly 21 times a week. With Jin Air operating this route so often, premium seats still turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every CJU to KUV departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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21
Nonstop flights a week
172 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every CJU to KUV departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Jeju to Kunsan to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

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

Set an alert

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

Airlines flying Jeju to Kunsan nonstop

Carriers operating CJU to KUV nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Jin Air
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Frequently asked questions about CJU to KUV

How far is Kunsan from Jeju?
CJU to KUV covers about 172 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from CJU to KUV?
Jin Air is currently the only airline flying CJU to KUV nonstop. 2LNR tracks confirmed upgrade and award space on every Jin Air departure.
How many flights a week are there from CJU to KUV?
About 21 nonstop flights a week run between Jeju and Kunsan in the current schedule, operated by Jin Air. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on CJU to KUV?
Open the CJU to KUV calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Jeju to Kunsan route, and 2LNR will notify you when space opens. It's free to start.

Never miss CJU to KUV upgrade or award space

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