Route guide

Jeju to Busan (CJU-PUS): Nonstop Upgrade & Award Space

Air Busan, Coyne Aviation, Korean Air, Jin Air, and Arcus-Air Logistic fly nonstop between Jeju (CJU) and Busan (PUS), roughly 210 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 PUS 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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210
Nonstop flights a week
181 mi
Nonstop distance
Free
To get started

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

Airlines flying Jeju to Busan nonstop

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

  • Air Busan
  • Coyne Aviation
  • Korean Air
  • Jin Air
  • Arcus-Air Logistic
See CJU to PUS on the interactive map →

Frequently asked questions about CJU to PUS

How far is Busan from Jeju?
CJU to PUS covers about 181 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 PUS?
Air Busan, Coyne Aviation, Korean Air, Jin Air, and Arcus-Air Logistic fly the route nonstop. 2LNR tracks confirmed upgrade and award space on all five of them.
How many flights a week are there from CJU to PUS?
About 210 nonstop flights a week run between Jeju and Busan in the current schedule, operated by Air Busan, Coyne Aviation, Korean Air, Jin Air, and Arcus-Air Logistic. 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 PUS?
Open the CJU to PUS calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Jeju to Busan route, and 2LNR will notify you when space opens. It's free to start.

Never miss CJU to PUS upgrade or award space

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