Direct flights from Cheongju-si (CJJ)

From Cheongju Airport (CJJ) in South Korea, 9 airlines fly nonstop to 12 destinations, led by Trans World Airlines, Arcus-Air Logistic, and Coyne Aviation. It's enough volume to carry real upgrade and award inventory, though the best seats to Jeju City tend to go quickly. 2LNR monitors confirmed space on each Cheongju-si route so you can act while it's still available.

Data current as of August 17, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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12
Nonstop destinations
9
Airlines serving CJJ
Free
To get started

About Cheongju Airport (CJJ)

Cheongju Airport (CJJ) is the airport serving Cheongju-si, South Korea. Its ICAO code is RKTU. Departure and arrival times at CJJ are local to the Asia/Seoul time zone. Its nonstop network reaches 12 destinations across 6 countries.

Confirmed upgrade & award space on every CJJ 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 Cheongju-si 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 CJJ route, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch a Cheongju-si route and 2LNR notifies you when space appears.

Plan on the map

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

All nonstop destinations from Cheongju-si (CJJ)

These are the city pairs behind flights to and from Cheongju-si: 12 nonstop destinations with active service at Cheongju Airport. Each route links to its confirmed upgrade and award availability.

Explore CJJ routes on the interactive map →

Airlines that fly out of Cheongju-si (CJJ)

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

Alternative airports near Cheongju-si (CJJ)

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 Cheongju-si (CJJ)

How many nonstop destinations does Cheongju Airport (CJJ) serve?
Cheongju Airport has active nonstop service to 12 destinations in 2LNR's schedule data. The busiest markets from CJJ are Jeju City, Osaka, and Fukuoka. The full list, with live upgrade and award availability for each route, is on this page.
Which airlines fly out of Cheongju-si (CJJ)?
The carriers with nonstop service from Cheongju Airport are listed in full on this page, each linked to its own route map. Trans World Airlines, Arcus-Air Logistic, and Coyne Aviation run the most routes from Cheongju-si, in that order. In 2LNR's schedule data that is 9 airlines in total.
How many airlines fly out of CJJ?
2LNR's schedule data currently shows 9 airlines with at least one nonstop route from Cheongju-si (CJJ). 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 CJJ?
Pick any destination on this page, such as Jeju City, to open a calendar of CJJ 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 CJJ?
Yes. Every nonstop route from Cheongju Airport in 2LNR's schedule data is tracked, 12 destinations in total, and what's shown is confirmed availability rather than a forecast. It's free to start.

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