AirHint found the following cheapest one-way flights from Seoul (ICN) to Cheju (CJU) in April 2026 (see full year).
One-Way flights
| 21 Apr | Spring Airlines | ||
| 29 Apr | Peach | ||
| 04 Apr | Shandong Airlines | ||
| 08 Apr | T'way Air | ||
| 01 Apr | T'way Air | ||
| 02 Apr | Asiana Airlines | ||
| 17 Apr | Scoot | ||
| 07 Apr | Scoot | ||
| 27 Apr | Scoot | ||
| 25 Apr | Singapore Airlines |
Also check the deals for return flights from Seoul to Cheju in April.
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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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