Cheapest one-way flights from Seoul to Cheju in September from 11€

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

One-Way flights

16 Sep Jin Air direct
17 Sep Jin Air direct
09 Sep Jin Air direct
10 Sep Jin Air direct
15 Sep Jin Air direct
03 Sep Jin Air direct
08 Sep Jeju Air direct
02 Sep Eastar Jet direct
23 Sep Jin Air direct
01 Sep Jin Air direct

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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