Route guide

Osaka to Jeju (KIX-CJU): Nonstop Upgrade & Award Space

Trans World Airlines flies the KIX to CJU nonstop about 7 times a week. That's enough service to give you a real choice of departures, though premium seats don't sit unclaimed for long. 2LNR watches every KIX to CJU departure for confirmed upgrade and award space and can alert you when a date you're tracking opens up.

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

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7
Nonstop flights a week
504 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every KIX to CJU 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 Osaka to Jeju 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 KIX to CJU 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 KIX to CJU on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Osaka to Jeju nonstop

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

  • Trans World Airlines
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Frequently asked questions about KIX to CJU

How far is Jeju from Osaka?
KIX to CJU covers about 504 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from KIX to CJU?
Trans World Airlines is currently the only airline flying KIX to CJU nonstop. 2LNR tracks confirmed upgrade and award space on every Trans World Airlines departure.
How many flights a week are there from KIX to CJU?
About 7 nonstop flights a week run between Osaka and Jeju in the current schedule, operated by Trans World Airlines. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on KIX to CJU?
Open the KIX to CJU calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Osaka to Jeju route, and 2LNR will notify you when space opens. It's free to start.

Never miss KIX to CJU upgrade or award space

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