Cheapest one-way GMP–CJU flights, September

AirHint found the following cheapest one-way flights from Seoul (GMP) to Cheju (CJU) in September 2026 (see full year).

One-Way flights

09 Sep Jeju Air direct
15 Sep Jeju Air direct
08 Sep Jeju Air direct
21 Sep Jeju Air direct
22 Sep Jeju Air direct
07 Sep Jeju Air direct
01 Sep Parata Air direct
29 Sep Jeju Air direct
30 Sep Jeju Air direct
06 Sep Parata Air direct

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

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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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