Cheapest one-way flights from Seoul to Cheju in September from 8€

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

One-Way flights

29 Sep Eastar Jet direct
09 Sep Air Busan direct
02 Sep T'way Air direct
16 Sep Air Busan direct
10 Sep Jin Air direct
15 Sep Asiana Airlines direct
23 Sep T'way Air direct
01 Sep T'way Air direct
03 Sep Korean Air direct
22 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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