AirHint found the following cheapest one-way flights from Seoul (ICN) to Cheju (CJU) in May 2026 (see full year).
One-Way flights
| 17 May | Spring Airlines | ||
| 10 May | Jeju Air | ||
| 07 May | Eastar Jet | ||
| 09 May | Shandong Airlines | ||
| 02 May | HK Express | ||
| 12 May | Jin Air | ||
| 30 May | Scoot | ||
| 08 May | Shandong Airlines | ||
| 19 May | Eastar Jet | ||
| 06 May | Jin Air |
Also check the deals for return flights from Seoul to Cheju in May.
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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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