Cheapest one-way flights from Seoul to Cheju in September from 9€

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

One-Way flights

15 Sep Eastar Jet direct
01 Sep Eastar Jet direct
02 Sep Eastar Jet direct
14 Sep Eastar Jet direct
07 Sep Eastar Jet direct
30 Sep Eastar Jet direct
09 Sep Eastar Jet direct
29 Sep Eastar Jet direct
16 Sep Eastar Jet direct
08 Sep Eastar Jet 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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