Cheapest one-way flights from Seoul to Cheju in September from 161€

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

One-Way flights

10 Sep Spring Airlines
08 Sep Spring Airlines
20 Sep Spring Airlines
09 Sep Eastar Jet
13 Sep Eastar Jet
27 Sep Asiana Airlines

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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