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Flights operate between Seoul (GMP) and Jeju-si (CJU).

1 airline operates this route with 85-89 flights daily flights.

Average flight time is 1h 05m - 1h 30m.

Route distance is 281 miles (452 km).

Route Distance

281 miles (452 km)

Average Duration

1h 05m - 1h 30m

Airlines Operating This Route

Korean Air

Flight Frequency

Daily Flights

85-89 flights

Weekly Flights

590

Typical Departure Time Ranges

Earliest Departure

06:40

Latest Departure

19:00

Route Intelligence Dashboard

Overall Connectivity Score

70

Good
Route Diversity

1

Direct Routes

Korean Air serves 1 destination from GMP

Weekly Frequency

133

Weekly Flights

Trend: Stable

Top 1 Most Frequent Routes - Details
RouteWeekly FlightsDurationDistanceReliability
GMPJeju-si (CJU) (CJU)
133/week
1h 05m - 1h 30m281 km
Very Stable
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Flight Schedule & Filters

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Korean Air flights from Gangseo-gu (GMP) to Jeju-si (CJU)

Korean Air operates scheduled nonstop flights between Gangseo-gu (GMP) and Jeju-si (CJU). Korean Air operates 85-89 flights daily flights on this route.Flight Duration: 1h 05m - 1h 30m (average flight time)Distance: 281 miles (452 km) (air miles between airports)Daily Flights: 85-89 flights (scheduled departures per day)

GMP
Gangseo-gu (GMP)

KR

CJU
Jeju-si (CJU)

KR

FLIGHT TIME

1h 05m - 1h 30m

FLIGHT DISTANCE

281 miles (452 km)
Flight time
1h 10m - 1h 15m
Earliest flight
06:40
Last flight
19:00
Distance
281 miles (452 km)
Cheapest month
May
Airlines
1 (Show)
Flights per week
590

Korean Air Terminal Information & Contact

Departure Terminal - Gangseo-gu (GMP)

Terminal: D

Phone: 8 222 656 2001

Location: D, Seoul, KR

Arrival Terminal - Jeju-si (CJU)

Terminal: 1

Phone: 8 222 656 2001

Location: 1, Jeju City, KR

Korean Air Flight Schedule from Gangseo-gu (GMP) to Jeju-si (CJU)

FlightAirlineDepartureArrivalAircraft

KE1019

Korean Air

Korean Air

06:40

07:55:00

Airbus A330-300

KE1027

Korean Air

Korean Air

07:35

08:50:00

Boeing 777-300

KE1033

Korean Air

Korean Air

08:30

09:45:00

Airbus A330-300

KE1043

Korean Air

Korean Air

08:50

10:05:00

Boeing 737-900 Passenger

KE1049

Korean Air

Korean Air

09:00

10:15:00

Boeing 737-900 Passenger

KE1067

Korean Air

Korean Air

09:35

10:50:00

Boeing 737-900 Passenger

KE1065

Korean Air

Korean Air

10:05

11:20:00

Airbus A321neo

KE1083

Korean Air

Korean Air

11:10

12:25:00

Airbus A220-300

KE1085

Korean Air

Korean Air

11:20

12:35:00

Airbus A330-300

KE1097

Korean Air

Korean Air

12:10

13:25:00

Boeing 777-300

KE1105

Korean Air

Korean Air

12:40

13:55:00

Airbus A330-300

KE1117

Korean Air

Korean Air

13:10

14:25:00

Boeing 737-900 Passenger

KE1125

Korean Air

Korean Air

13:55

15:10:00

Airbus A321neo

KE1129

Korean Air

Korean Air

14:05

15:20:00

Airbus A321neo

KE1147

Korean Air

Korean Air

15:40

16:55:00

Airbus A330-300

KE1169

Korean Air

Korean Air

16:40

17:50:00

Boeing 777-300

KE1179

Korean Air

Korean Air

17:15

18:30:00

Airbus A330-300

KE1205

Korean Air

Korean Air

18:45

20:00:00

Airbus A220-300

KE1211

Korean Air

Korean Air

19:00

20:15:00

Boeing 737-900 Passenger

Korean Air Monthly Flight Calendar

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View all 100 flights from Gangseo-gu (GMP) to Jeju-si (CJU) operated by 8 airlines

Korean Air Terminal Information

Departure Terminal at Gangseo-gu (GMP):

• Terminal : Korean Air operates from this terminal

Terminal D:

Korean Air Terminal Phone: 8 222 656 2001

Arrival Terminal at Jeju-si (CJU):

• Terminal : Korean Air operates from this terminal

Terminal 1:

Korean Air Terminal Phone: 8 222 656 2001

Weather & Climate at Jeju-si (CJU)

17.0°C

Avg Temperature

150mm

Avg Rainfall

14.6km/h

Avg Wind Speed

77%

Avg Humidity

Best 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

2025-05
2025-06
2025-07
2025-08
2025-11
2025-12

Expect higher prices and more crowds during these months. Book early to secure better rates.

Recommended Months

2025-10

These months offer the best balance of weather, prices, and availability.

Monthly Booking Recommendations

Recommended - Best Value
Peak - Book Early
Normal

Flight Price Trends for Jeju-si (CJU)

Cheapest Months to Fly

2023-10

Book flights during these months for the best deals and lowest prices.

Most Expensive Months

2023-05
2023-06
2023-07
2023-08
2023-11
2023-12

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

Cheapest - Best Deals
Expensive - Higher Prices
Normal Prices

Best Months to Fly Korean Air to Jeju-si (CJU)

Best Months

2025-10

Optimal conditions for travel with favorable weather, prices, and availability.

Shoulder Season

2025-01
2025-02
2025-03
2025-04
2025-09

Transition periods with moderate conditions. Good balance of price and experience.

Challenging Months

2025-05
2025-06
2025-07
2025-08
2025-11
2025-12

These months may have less favorable conditions. Plan accordingly and book early.

Extreme Conditions

2025-05
2025-07

These months may have extreme weather or conditions. Travel with caution and proper preparation.

Seasonal Insight

Best travel months: 2025-10

Seasonal Travel Calendar

Best - Optimal Conditions
Shoulder - Good Value
Challenging
Extreme - Use Caution

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 01

Official Website

koreanair.com/

Follow Korean Air on Social Media

Instagram

Twitter

YouTube

TripAdvisor

Wikipedia

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Frequently Asked Questions

How many Korean Air flights operate from Seoul (GMP) to Jeju City (CJU)?

Korean Air operates 19 flights from Seoul (GMP) to Jeju City (CJU).

What city does Jeju City (CJU) airport serve?

Jeju City (CJU) airport serves Jeju-si, KR.

How long is the Korean Air flight from Seoul (GMP) to Jeju City (CJU)?

The flight duration is approximately 1h 05m - 1h 30m.

What is the distance from Seoul (GMP) to Jeju City (CJU)?

The distance is 281 miles (452 km).

What aircraft does Korean Air use on this route?

Korean Air uses Airbus A330-300, Boeing 777-300, Boeing 737-900 Passenger and 2 more aircraft types on this route.

Which other airlines operate on this route?

7 other airlines operate on this route: Asiana Airlines, Thai Smile, Jin Air and 4 more.

What are the earliest and latest Korean Air flight departure times?

The earliest Korean Air flight departs at 06:40 and the latest departs at 19:00.

View all Korean Air flights to Seoul (GMP) →

Popular Korean Air routes from Seoul include multiple destinations.

Route data verified regularly by Triposia Travel Research Team.

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