Cheapest one-way flights from Seoul to Cheju in October from $26

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

One-Way flights

26 Oct Asiana Airlines direct
27 Oct Asiana Airlines direct
25 Oct Asiana Airlines direct
20 Oct Asiana Airlines direct
13 Oct Asiana Airlines direct
11 Oct Asiana Airlines direct
18 Oct Asiana Airlines direct
24 Oct Korean Air direct
01 Oct Korean Air direct
23 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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