Cheapest one-way flights from Seoul to Cheju in October from $30

Best time to book flights for Seoul (GMP) to Cheju (CJU) flights at AirHint

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

One-Way flights

21 Oct Jin Air direct
20 Oct Jin Air direct
28 Oct Asiana Airlines direct
14 Oct Jin Air direct
27 Oct Asiana Airlines direct
13 Oct Jin Air direct
19 Oct Jin Air direct
12 Oct Jin Air direct
16 Oct Jin Air direct
18 Oct Korean Air 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.

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