Flights operate between Jeju City (CJU) and Cheongju-si (CJJ).
1 airline operates this route with 17-20 flights daily flights.
Average flight time is 1h 05m - 1h 30m.
Route distance is 230 miles (370 km).
Route Distance
230 miles (370 km)
Average Duration
1h 05m - 1h 30m
Airlines Operating This Route
Korean Air
Flight Frequency
Daily Flights
17-20 flights
Weekly Flights
131
Typical Departure Time Ranges
Earliest Departure
07:30
Latest Departure
16:25
Route Intelligence Dashboard
Overall Connectivity Score
70
GoodRoute Diversity
1
Direct Routes
Korean Air serves 1 destination from CJU
Weekly Frequency
28
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| CJU → Cheongju-si (CJJ) (CJJ) | 28/week | 1h 05m - 1h 30m | 230 km | Moderate |
Flight Schedule & Filters
Korean Air flights from Jeju-si (CJU) to Cheongju-si (CJJ)
Korean Air operates scheduled nonstop flights between Jeju-si (CJU) and Cheongju-si (CJJ). Korean Air operates 17-20 flights daily flights on this route.• Flight Duration: 1h 05m - 1h 30m (average flight time)• Distance: 230 miles (370 km) (air miles between airports)• Daily Flights: 17-20 flights (scheduled departures per day)
Jeju-si (CJU)
KR
Cheongju-si (CJJ)
KR
FLIGHT TIME
1h 05m - 1h 30m
FLIGHT DISTANCE
230 miles (370 km)
1h 10m - 1h 10m
07:30
16:25
230 miles (370 km)
January
1 (Show)
131
Korean Air Terminal Information & Contact
Departure Terminal - Jeju-si (CJU)
Terminal: 1
Phone: 8 222 656 2001
Location: 1, Jeju City, KR
Arrival Terminal - Cheongju-si (CJJ)
Terminal: 1
Phone: 8 222 656 2001
Location: 1, Cheongju, KR
Korean Air Flight Schedule from Jeju-si (CJU) to Cheongju-si (CJJ)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
KE1704 |  Korean Air | 07:30 | 08:40:00 | Airbus A220-300 |
KE1708 | Korean Air | 11:15 | 12:25:00 | Airbus A220-300 |
KE1714 | Korean Air | 14:35 | 15:45:00 | Airbus A220-300 |
KE1722 | Korean Air | 16:25 | 17:35:00 | Boeing 737-900 Passenger |
Korean Air Monthly Flight Calendar
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Things to Do Near CJJ Airport
그랜드 플라자 호텔
5.6 km from airport국립청주박물관
7.6 km from airport로얄모텔
9.6 km from airport종합관광안내소
11.7 km from airport제이앤비무인모텔
13.3 km from airport한국잠사박물관
13.6 km from airportKorean Air Terminal Information
Departure Terminal at Jeju-si (CJU):
• Terminal : Korean Air operates from this terminal
Terminal 1:
• Korean Air Terminal Phone: 8 222 656 2001
Arrival Terminal at Cheongju-si (CJJ):
• Terminal : Korean Air operates from this terminal
Terminal 1:
• Korean Air Terminal Phone: 8 222 656 2001
Weather & Climate at Cheongju-si (CJJ)
13.4°C
Avg Temperature141mm
Avg Rainfall8.4km/h
Avg Wind Speed70%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Best Time to Book Flights to Cheongju-si (CJJ)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Peak Travel Months
Expect higher prices and more crowds during these months. Book early to secure better rates.
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Flight Price Trends for Cheongju-si (CJJ)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Most Expensive Months
Prices are typically highest during these months. Consider booking well in advance or choosing alternative dates.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Best Months to Fly Korean Air to Cheongju-si (CJJ)
Shoulder Season
Transition periods with moderate conditions. Good balance of price and experience.
Challenging Months
These months may have less favorable conditions. Plan accordingly and book early.
Extreme Conditions
These months may have extreme weather or conditions. Travel with caution and proper preparation.
Seasonal Insight
Best travel months: Year-round
Seasonal Travel Calendar
Korean Air Contact Information and Customer Services
Korean Air Address
9th floor of Korean Air Building, 117 Seosomun-Ro (3-41, Seosomun-dong), Chung-gu,
Seoul 400-700, South Korea
Customer Service Phone
+82 22 656 20 01Official Website
koreanair.com/Frequently Asked Questions
How many Korean Air flights operate from Jeju City (CJU) to Cheongju (CJJ)?
Korean Air operates 4 flights from Jeju City (CJU) to Cheongju (CJJ).
What city does Cheongju (CJJ) airport serve?
Cheongju (CJJ) airport serves Cheongju-si, KR.
How long is the Korean Air flight from Jeju City (CJU) to Cheongju (CJJ)?
The flight duration is approximately 1h 05m - 1h 30m.
What is the distance from Jeju City (CJU) to Cheongju (CJJ)?
The distance is 230 miles (370 km).
What aircraft does Korean Air use on this route?
Korean Air uses Airbus A220-300, Boeing 737-900 Passenger on this route.
Which other airlines operate on this route?
5 other airlines operate on this route: Jin Air, Asiana Airlines, Jeju Air and 2 more.
What are the earliest and latest Korean Air flight departure times?
The earliest Korean Air flight departs at 07:30 and the latest departs at 16:25.
View all Korean Air flights to Jeju City (CJU) →
Popular Korean Air routes from Jeju City include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.