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

23 Sep Eastar Jet direct
22 Sep T'way Air direct
24 Sep T'way Air direct
30 Sep Eastar Jet direct
29 Sep T'way Air direct
25 Sep Eastar Jet direct
28 Sep Jeju Air direct
27 Sep Jeju Air direct
26 Sep Jeju 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.

Book a cheap hotel in Cheju

Cheap car rent in Cheju

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