Direct flights from Jeju City (CJU)

From Jeju International Airport (CJU) in South Korea, 19 airlines fly nonstop to 31 destinations, led by Jin Air, Korean Air, and Coyne Aviation. It's enough volume to carry real upgrade and award inventory, though the best seats to Seoul tend to go quickly. 2LNR monitors confirmed space on each Jeju City route so you can act while it's still available.

Data current as of August 11, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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31
Nonstop destinations
19
Airlines serving CJU
Free
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About Jeju International Airport (CJU)

Jeju International Airport (CJU) is the airport serving Jeju City, KR-49, South Korea. Its ICAO code is RKPC. Departure and arrival times at CJU are local to the Asia/Seoul time zone. Its nonstop network reaches 31 destinations across 7 countries.

Confirmed upgrade & award space on every CJU route

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across more than 25 airlines, segment by segment, date by date. Pick any Jeju City destination below to open a calendar of departures with real availability, or watch a route and get alerted when space opens.

See real availability

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

Set an alert

Premium inventory turns over fast. Watch a Jeju City route and 2LNR notifies you when space appears.

Plan on the map

Explore every CJU nonstop on the interactive route map, with connections and route statistics.

All nonstop destinations from Jeju City (CJU)

These are the city pairs behind flights to and from Jeju City: 31 nonstop destinations with active service at Jeju International Airport. Each route links to its confirmed upgrade and award availability.

Explore CJU routes on the interactive map →

Airlines that fly out of Jeju City (CJU)

The carriers with nonstop service from Jeju International Airport, ordered by how many destinations each one reaches. Each links to that airline's full route map.

Alternative airports near Jeju City (CJU)

Nearby airports with nonstop service of their own, closest first. Distances are great-circle between the two airports' coordinates, not driving time, so check the ground connection before you treat one as a substitute.

South Korea flights by airport

Frequently asked questions about Jeju City (CJU)

How many nonstop destinations does Jeju International Airport (CJU) serve?
Jeju International Airport has active nonstop service to 31 destinations in 2LNR's schedule data. The busiest markets from CJU are Seoul, Busan, and Cheongju-si. The full list, with live upgrade and award availability for each route, is on this page.
Which airlines fly out of Jeju City (CJU)?
The carriers with nonstop service from Jeju International Airport are listed in full on this page, each linked to its own route map. Jin Air, Korean Air, and Coyne Aviation run the most routes from Jeju City, in that order. In 2LNR's schedule data that is 19 airlines in total.
How many airlines fly out of CJU?
2LNR's schedule data currently shows 19 airlines with at least one nonstop route from Jeju City (CJU). That figure counts the carrier operating the flight rather than every carrier that sells a seat on it, so a codeshare marketed by a partner is not counted twice, and it moves with the season.
How do I check upgrade or award availability from CJU?
Pick any destination on this page, such as Seoul, to open a calendar of CJU departures with confirmed upgrade and award space, date by date. You can also set an alert so 2LNR notifies you when space opens on a route you care about.
Does 2LNR track flights from CJU?
Yes. Every nonstop route from Jeju International Airport in 2LNR's schedule data is tracked, 31 destinations in total, and what's shown is confirmed availability rather than a forecast. It's free to start.

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