AirHint found the following cheapest one-way flights from Seoul (ICN) to Cheju (CJU) in April 2026 (see full year).
One-Way flights
| 22 Apr | Jeju Air | ||
| 08 Apr | Jeju Air | ||
| 13 Apr | T'way Air | ||
| 07 Apr | Eastar Jet | ||
| 23 Apr | China Southern | ||
| 04 Apr | Eastar Jet | ||
| 19 Apr | Jin Air | ||
| 14 Apr | Jin Air | ||
| 24 Apr | Scoot | ||
| 17 Apr | Scoot |
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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