Cheapest one-way flights from Seoul to Cheju in October from $29

AirHint found the following cheapest one-way flights from Seoul (GMP) to Cheju (CJU) in October 2025 (see full year).

One-Way flights

20 Oct Jin Air direct
15 Oct Jin Air direct
22 Oct Jin Air direct
14 Oct Jin Air direct
21 Oct Jin Air direct
13 Oct Jin Air direct
27 Oct Asiana Airlines direct
28 Oct Asiana Airlines direct
29 Oct Asiana Airlines direct
19 Oct Asiana Airlines direct

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

Skyscanner

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.

Book a cheap hotel in Cheju

Cheap car rent in Cheju

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