AirHint found the following cheapest one-way flights from Seoul (ICN) to Cheju (CJU) in August 2026 (see full year).
One-Way flights
| 07 Aug | Jeju Air | direct | |
| 27 Aug | Air Busan | ||
| 18 Aug | Peach | ||
| 12 Aug | Jeju Air | ||
| 29 Aug | Eastar Jet | ||
| 24 Aug | Air Busan | ||
| 06 Aug | Spring Airlines | ||
| 30 Aug | Spring Airlines | ||
| 10 Aug | Peach | ||
| 09 Aug | Jeju Air |
Also check the deals for return flights from Seoul to Cheju in August.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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