Jeju to Yeosu (CJU-RSU): Nonstop Upgrade & Award Space
Asiana Airlines, Korean Air, and Jin Air fly nonstop between Jeju (CJU) and Yeosu (RSU), roughly 28 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every CJU to RSU 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.
Confirmed upgrade & award space on every CJU to RSU 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 Yeosu 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 RSU 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 RSU on the interactive route map, with schedules, connections, and route statistics.
Airlines flying Jeju to Yeosu nonstop
Carriers operating CJU to RSU nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.
- Asiana Airlines
- Korean Air
- Jin Air
Frequently asked questions about CJU to RSU
How far is Yeosu from Jeju?
Which airlines fly nonstop from CJU to RSU?
How many flights a week are there from CJU to RSU?
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