Cheapest one-way flights from Seoul to Cheju in September from 165€

Best time to book flights for Seoul (ICN) to Cheju (CJU) flights at AirHint

AirHint found the following cheapest one-way flights from Seoul (ICN) to Cheju (CJU) in September 2025 (see full year).

One-Way flights

17 Sep China Southern
10 Sep China Southern
09 Sep China Southern
08 Sep China Southern
02 Sep China Southern
26 Sep Spring Airlines
30 Sep Jeju Air
27 Sep Asiana Airlines
12 Sep Scoot Tigerair
22 Sep Jeju Air

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

Skyscanner

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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