AirHint found the following cheapest one-way flights from Seoul (ICN) to Cheju (CJU) in June 2026 (see full year).
One-Way flights
| 29 Jun | Korean Air | ||
| 30 Jun | Korean Air | ||
| 06 Jun | T'way Air | ||
| 13 Jun | Singapore Airlines | ||
| 09 Jun | Singapore Airlines | ||
| 03 Jun | Singapore Airlines | ||
| 02 Jun | Singapore Airlines |
Also check the deals for return flights from Seoul to Cheju in June.
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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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