Flights operate between Cheongju (CJJ) and Jeju-si (CJU).
1 airline operates this route with 19-22 flights daily flights.
Average flight time is 1h 05m - 1h 15m.
Route distance is 230 miles (370 km).
Route Distance
230 miles (370 km)
Average Duration
1h 05m - 1h 15m
Airlines Operating This Route
T´Way Air
Flight Frequency
Daily Flights
19-22 flights
Weekly Flights
143
Typical Departure Time Ranges
Earliest Departure
07:55
Latest Departure
19:55
Route Intelligence Dashboard
Overall Connectivity Score
70
GoodRoute Diversity
1
Direct Routes
T´Way Air serves 1 destination from CJJ
Weekly Frequency
35
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| CJJ → Jeju-si (CJU) (CJU) | 35/week | 1h 05m - 1h 15m | 230 km | Very Stable |
Flight Schedule & Filters
T´Way Air flights from Cheongju-si (CJJ) to Jeju-si (CJU)
T´Way Air operates scheduled nonstop flights between Cheongju-si (CJJ) and Jeju-si (CJU). T´Way Air operates 19-22 flights daily flights on this route.• Flight Duration: 1h 05m - 1h 15m (average flight time)• Distance: 230 miles (370 km) (air miles between airports)• Daily Flights: 19-22 flights (scheduled departures per day)
Cheongju-si (CJJ)
KR
Jeju-si (CJU)
KR
FLIGHT TIME
1h 05m - 1h 15m
FLIGHT DISTANCE
230 miles (370 km)
1h 10m - 1h 10m
07:55
19:55
230 miles (370 km)
January
1 (Show)
143
T´Way Air Terminal Information & Contact
Departure Terminal - Cheongju-si (CJJ)
Terminal: 1
Phone: 8 222 656 2001
Location: 1, Cheongju, KR
Arrival Terminal - Jeju-si (CJU)
Terminal: 1
Phone: 82 2 2669 1166
Location: 1, Jeju City, KR
T´Way Air Flight Schedule from Cheongju-si (CJJ) to Jeju-si (CJU)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
TW841 |  T´Way Air | 07:55 | 09:05:00 | Boeing 737 Passenger |
TW835 | T´Way Air | 09:10 | 10:20:00 | Boeing 737 Passenger |
TW837 | T´Way Air | 13:00 | 14:10:00 | Boeing 737 Passenger |
TW839 | T´Way Air | 16:55 | 18:05:00 | Boeing 737 Passenger |
TW845 | T´Way Air | 19:55 | 21:05:00 | Boeing 737 Passenger |
T´Way Air Monthly Flight Calendar
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T´Way Air Terminal Information
Departure Terminal at Cheongju-si (CJJ):
Arrival Terminal at Jeju-si (CJU):
Weather & Climate at Jeju-si (CJU)
17.0°C
Avg Temperature150mm
Avg Rainfall14.6km/h
Avg Wind Speed77%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Best Time to Book Flights to Jeju-si (CJU)
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 Jeju-si (CJU)
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 T´Way Air to Jeju-si (CJU)
Best Months
Optimal conditions for travel with favorable weather, prices, and availability.
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: 2025-10
Seasonal Travel Calendar
T´Way Air Contact Information and Customer Services
T´Way Air Address
Hong-geun Jeong/Registration No.: 101-81-94800, Online Retailer Registration No.: 2013-Seoul Seongdong 3rd Fl., Intl. Cargo Terminal, 210, Haneul-gil
Gangseo-gu 169, Korea - South
Official Website
twayair.com/app/mainFrequently Asked Questions
How many T´Way Air flights operate from Cheongju (CJJ) to Jeju City (CJU)?
T´Way Air operates 5 flights from Cheongju (CJJ) to Jeju City (CJU).
What city does Jeju City (CJU) airport serve?
Jeju City (CJU) airport serves Jeju-si, KR.
How long is the T´Way Air flight from Cheongju (CJJ) to Jeju City (CJU)?
The flight duration is approximately 1h 05m - 1h 15m.
What is the distance from Cheongju (CJJ) to Jeju City (CJU)?
The distance is 230 miles (370 km).
What aircraft does T´Way Air use on this route?
T´Way Air uses Boeing 737 Passenger on this route.
Which other airlines operate on this route?
5 other airlines operate on this route: Eastar Jet, Korean Air, Asiana Airlines and 2 more.
What are the earliest and latest T´Way Air flight departure times?
The earliest T´Way Air flight departs at 07:55 and the latest departs at 19:55.
View all T´Way Air flights to Cheongju (CJJ) →
Popular T´Way Air routes from Cheongju include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.