The Jeju City to Cheongju route connects Jeju International Airport (CJU) in KR with Cheongju International Airport/Cheongju Air Base (K-59/G-513) (CJJ) in KR. This short-haul flight covers approximately 229 miles (369 km) with a typical flight time of 44m. This route is served by 7 airlines: Korean Air, Jin Air, Eastarjet and others. AirportRoutes has tracked 29 unique flight numbers on this route.
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The Jeju City (CJU) → Cheongju (CJJ) air route links South Korea’s resort island with the inland Chungcheong region over 229 miles (369 km). Flights are typically short—about 1 hour to 1 hour 15 minutes gate-to-gate—making it a time-saving alternative to ferries plus overland transfers. Travelers choose this route to move quickly from Jeju’s beaches and volcanic landscapes to Cheongju’s museums, historic sites, and convenient access to central Korea. It’s also popular for domestic business trips and weekend breaks, since Cheongju Airport serves the broader area around Cheongju and nearby cities. With frequent schedules during peak seasons, the route supports flexible itineraries and easy connections to regional attractions beyond the capital area.
Book early for weekends and school holidays, when fares rise; one-way tickets often range from KRW 40,000–120,000 (about USD 30–90) depending on season and baggage. Low-cost carriers may charge separately for checked bags, so confirm allowances before purchase. At CJU, arrive earlier during peak Jeju travel periods—security lines can be long—while CJJ is smaller and usually faster to navigate. Expect light turbulence at times due to coastal winds, and pack a layer since cabin temperatures vary. Use mobile boarding passes where available, and consider morning flights for better on-time performance. From CJJ, pre-plan ground transport (taxi, bus, or rental car) if arriving late, as options can thin out.
Cheongju blends modern city energy with cultural depth. Start at Cheongju National Museum for regional history, then visit Sangdangsanseong Fortress for panoramic views and walking trails. Art lovers should explore the Cheongju Craft Biennale venues (seasonal) and local galleries, reflecting the city’s strong craft identity. For a relaxed neighborhood stroll, head to central districts around downtown markets and café streets. Food is a highlight: try bibimbap, hearty kalguksu (knife-cut noodles), and market snacks, paired with local specialties depending on season. Cheongju also works well as a base for day trips across Chungcheong, offering a less-crowded alternative to bigger hubs while still delivering museums, fortress scenery, and lively local dining.
The best months are April–June and September–November, when skies are clearer and temperatures are mild for exploring Cheongju. Summer (July–August) can be hot and humid with monsoon rain, while winter brings colder conditions and occasional snow. Peak pricing usually aligns with Jeju vacation demand—school breaks, long weekends, and major holidays—when fares can jump to KRW 90,000–120,000 (USD 65–90). Off-peak months often see better deals around KRW 40,000–70,000 (USD 30–50). Check dates around local festivals and craft events in Cheongju, which can tighten availability.
RKPCCJUCheongju International Airport/Cheongju Air Base (K-59/G-513)
RKTUCJJ7
Operators29
Tracked Flights229
Miles44m
Flight Duration
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 64 | 20% |
|
| Tuesday | 36 | 11% |
|
| Wednesday | 52 | 16% |
|
| Thursday | 50 | 16% |
|
| Friday | 52 | 16% |
|
| Saturday | 37 | 12% |
|
| Sunday | 30 | 9% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
Aero K
EOK
/ RF
|
A320 | 21:25 9:25 PM (Representative) |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active | |
|
Asiana
AAR
/ OZ
|
A321 | 19:00 7:00 PM (Representative) |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active | |
|
Eastarjet
ESR
/ ZE
|
B738 | 07:50 7:50 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active | |
|
Jeju Air
JJA
/ 7C
|
B738 | 08:10 8:10 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active | |
|
Jin Air
JNA
/ LJ
|
B739 | 14:25 2:25 PM (Representative) |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active | |
|
Korean Air
KAL
/ KE
|
BCS3 | 07:20 7:20 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active | |
|
Tway Air
TWB
/ TW
|
|
737 | 21:50 9:50 PM (Representative) |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active |
Time Information
Times are shown in the departure airport's local timezone (RKPC - Asia/Seoul).