Jeju Air flights from Seoul to Jeju City (SEL - CJU)
SEL — CJU
14 Oct — 21 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Jeju Air flights from Seoul to Jeju City in 2026
Find detailed information about Jeju Air flights from Seoul to Jeju City. Explore the options provided by Jeju Air to plan your journey from Seoul to Jeju City. Data last updated 14 September 2026.
When is the best time to book a flight to Jeju City with Jeju Air?
The best time to book a flight to Jeju City with Jeju Air is 14 days before departure. On average, fares are higher if you book 77 days before departure.
Which month is the cheapest to fly Economy class from Seoul to Jeju City?
For Economy class flights, the cheapest month to fly this route is March. The most expensive months are August and May.
Weekly Jeju Air flight availability from Seoul to Jeju City
The most Jeju Air flights from SEL to CJU are scheduled on a Friday (27 on average). You will have fewer Jeju Air flight options on Tuesday, which is when the least amount of flights are scheduled (22 on average).
Best time to book a flight from Seoul to Jeju City
Have a flexible travel schedule? Discover the best time to fly to Jeju City from Seoul with our price prediction graph.
SEL-CJU
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
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If Jeju City is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 14 September 2026.
Read reviews and see what other travellers are saying about their experiences with Jeju Air. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Jeju Air for your next flight. Reviews last updated 14 September 2026.
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