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
Eastar Jet
Flight Frequency
Daily Flights
19-22 flights
Weekly Flights
143
Typical Departure Time Ranges
Earliest Departure
06:50
Latest Departure
19:35
Route Intelligence Dashboard
Overall Connectivity Score
70
GoodRoute Diversity
1
Direct Routes
Eastar Jet serves 1 destination from CJJ
Weekly Frequency
21
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| CJJ → Jeju-si (CJU) (CJU) | 21/week | 1h 05m - 1h 15m | 230 km | Moderate |
Flight Schedule & Filters
Eastar Jet flights from Cheongju-si (CJJ) to Jeju-si (CJU)
Eastar Jet operates scheduled nonstop flights between Cheongju-si (CJJ) and Jeju-si (CJU). Eastar Jet 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 15m
06:50
19:35
230 miles (370 km)
January
1 (Show)
143
Eastar Jet 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: 8686693000
Location: 1, Jeju City, KR
Eastar Jet Flight Schedule from Cheongju-si (CJJ) to Jeju-si (CJU)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
ZE711 |  Eastar Jet | 06:50 | 08:00:00 | Boeing 737-800 Passenger |
ZE713 | Eastar Jet | 10:35 | 11:50:00 | Boeing 737-800 Passenger |
ZE715 | Eastar Jet | 19:35 | 20:45:00 | Boeing 737-800 Passenger |
Eastar Jet Monthly Flight Calendar
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Eastar Jet Terminal Information
Departure Terminal at Cheongju-si (CJJ):
Arrival Terminal at Jeju-si (CJU):
Terminal 1:
• Eastar Jet Terminal Phone: 8686693000
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 Eastar Jet 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
Eastar Jet Contact Information and Customer Services
Eastar Jet Address
2nd Floor, Yangseo Building, 534-9 Banghwa-dong, angseo-gu
Gangseo-gu, Seoul 7500, South Korea
Official Website
eastarjet.com/Frequently Asked Questions
How many Eastar Jet flights operate from Cheongju (CJJ) to Jeju City (CJU)?
Eastar Jet operates 3 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 Eastar Jet 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 Eastar Jet use on this route?
Eastar Jet uses Boeing 737-800 Passenger on this route.
Which other airlines operate on this route?
5 other airlines operate on this route: T´Way Air, Korean Air, Asiana Airlines and 2 more.
What are the earliest and latest Eastar Jet flight departure times?
The earliest Eastar Jet flight departs at 06:50 and the latest departs at 19:35.
View all Eastar Jet flights to Cheongju (CJJ) →
Popular Eastar Jet routes from Cheongju include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.