Cheapest return flights from Seoul to Cheju in September from 17€

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

Return flights

23 Sep - 25 Sep Eastar Jet direct
23 Sep - 24 Sep T'way Air direct
22 Sep - 25 Sep T'way Air direct
24 Sep - 25 Sep T'way Air direct
22 Sep - 24 Sep T'way Air direct
23 Sep - 01 Oct T'way Air direct
23 Sep - 30 Sep Eastar Jet direct
22 Sep - 01 Oct T'way Air direct
24 Sep - 30 Sep T'way Air direct
30 Sep - 01 Oct Eastar Jet direct
29 Sep - 01 Oct T'way Air direct
22 Sep - 30 Sep Eastar Jet direct
29 Sep - 30 Sep T'way Air direct
24 Sep - 02 Oct T'way Air direct
23 Sep - 02 Oct T'way Air direct
22 Sep - 02 Oct T'way Air direct
29 Sep - 02 Oct T'way Air direct
30 Sep - 02 Oct Eastar Jet direct
30 Sep - 30 Sep Eastar Jet direct
25 Sep - 01 Oct Eastar Jet direct

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

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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