Cheapest return flights from Seoul to Cheju in October from $49

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

Return flights

13 Oct - 16 Oct Jeju Air direct
28 Oct - 18 Nov Eastar Jet direct
29 Oct - 18 Nov Eastar Jet direct
29 Oct - 19 Nov Eastar Jet direct
13 Oct - 15 Oct Jin Air direct
13 Oct - 29 Oct Jin Air direct
13 Oct - 30 Oct Jin Air direct
13 Oct - 28 Oct Jin Air direct
27 Oct - 05 Nov Eastar Jet direct
20 Oct - 22 Oct Jin Air direct
27 Oct - 29 Oct Eastar Jet direct
13 Oct - 20 Oct Jin Air direct
14 Oct - 29 Oct T'way Air direct
14 Oct - 30 Oct T'way Air direct
20 Oct - 05 Nov Jin Air direct
28 Oct - 12 Nov Eastar Jet direct
28 Oct - 05 Nov Eastar Jet direct
27 Oct - 12 Nov Eastar Jet direct
14 Oct - 04 Nov T'way Air direct
29 Oct - 12 Nov Eastar Jet direct

Also check the deals for one-way 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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