Cheapest return flights from Cheju to Seoul in October from $51

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

Return flights

15 Oct - 19 Oct Jeju Air direct
15 Oct - 21 Oct Jeju Air direct
15 Oct - 20 Oct Jeju Air direct
21 Oct - 21 Oct Jeju Air direct
01 Oct - 19 Oct Jeju Air direct
01 Oct - 07 Oct Jeju Air direct
01 Oct - 21 Oct Jeju Air direct
01 Oct - 20 Oct Jeju Air direct
07 Oct - 19 Oct Jeju Air direct
07 Oct - 07 Oct Jeju Air direct
30 Oct - 03 Nov Asiana Airlines direct

Also check the deals for one-way flights from Cheju to Seoul 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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