AirHint found the following cheapest one-way flights from Seoul (ICN) to Cheju (CJU) in April 2026 (see full year).
One-Way flights
| 15 Apr | Tigerair Taiwan | ||
| 28 Apr | Jeju Air | ||
| 14 Apr | Parata Air | ||
| 21 Apr | Eastar Jet | ||
| 22 Apr | Eastar Jet | ||
| 18 Apr | Scoot | ||
| 20 Apr | Eastar Jet | ||
| 10 Apr | Jin Air | ||
| 17 Apr | Jeju Air | ||
| 23 Apr | Tigerair Taiwan |
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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