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

15 Sep Jeju Air direct
14 Sep Jeju Air direct
09 Sep Jeju Air direct
07 Sep Jeju Air direct
21 Sep Jeju Air direct
22 Sep Jeju Air direct
02 Sep Parata Air direct
13 Sep Parata Air direct
20 Sep Jeju Air direct
17 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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