Cheapest one-way flights from Seoul to Cheju in September from 23€

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

One-Way flights

07 Sep Korean Air direct
02 Sep Asiana Airlines direct
10 Sep Asiana Airlines direct
25 Sep Korean 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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