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
Thai Smile
Flight Frequency
Daily Flights
85-89 flights
Weekly Flights
590
Typical Departure Time Ranges
Earliest Departure
06:05
Latest Departure
06:05
Route Intelligence Dashboard
Overall Connectivity Score
35
ModerateRoute Diversity
1
Direct Routes
Thai Smile serves 1 destination from GMP
Weekly Frequency
7
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| GMP → Jeju-si (CJU) (CJU) | 7/week | 1h 05m - 1h 30m | 281 km | Seasonal |
Flight Schedule & Filters
Thai Smile flights from Gangseo-gu (GMP) to Jeju-si (CJU)
Thai Smile operates scheduled nonstop flights between Gangseo-gu (GMP) and Jeju-si (CJU). Thai Smile 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)
Gangseo-gu (GMP)
KR
Jeju-si (CJU)
KR
FLIGHT TIME
1h 05m - 1h 30m
FLIGHT DISTANCE
281 miles (452 km)
1h 15m - 1h 15m
06:05
06:05
281 miles (452 km)
May
1 (Show)
590
Thai Smile 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: 82 2 2669 1166
Location: 1, Jeju City, KR
Thai Smile Flight Schedule from Gangseo-gu (GMP) to Jeju-si (CJU)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WE6501 |  Thai Smile | 06:05 | 07:20:00 | Airbus A320 |
Thai Smile Monthly Flight Calendar
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Thai Smile Terminal Information
Departure Terminal at Gangseo-gu (GMP):
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 Thai Smile 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
Frequently Asked Questions
How many Thai Smile flights operate from Seoul (GMP) to Jeju City (CJU)?
Thai Smile operates 1 flight 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 Thai Smile 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 Thai Smile use on this route?
Thai Smile uses Airbus A320 on this route.
Which other airlines operate on this route?
7 other airlines operate on this route: Asiana Airlines, Jin Air, T´Way Air and 4 more.
What is the cheapest month to fly Thai Smile from Seoul (GMP) to Jeju City (CJU)?
May is typically the cheapest month to fly Thai Smile on this route.
View all Thai Smile flights to Seoul (GMP) →
Popular Thai Smile routes from Seoul include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.