Cheapest one-way flights from Cheju to Seoul in September from $22

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

One-Way flights

22 Sep Jeju Air direct
09 Sep Jeju Air direct
29 Sep Jeju Air direct
02 Sep Jeju Air direct
15 Sep Asiana Airlines direct
17 Sep Asiana Airlines direct
10 Sep Asiana Airlines direct
19 Sep Jeju Air direct
07 Sep Jeju Air direct
14 Sep Jeju Air direct

Also check the deals for return flights from Cheju to Seoul 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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