Cheapest one-way flights from Seoul to Cheju in October from 25€

AirHint found the following cheapest one-way flights from Seoul (GMP) to Cheju (CJU) in October 2026 (see full year).

One-Way flights

13 Oct Asiana Airlines direct
07 Oct Korean Air direct
03 Oct Korean Air direct
08 Oct Korean Air direct

Also check the deals for return flights from Seoul to Cheju in October.

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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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