Cheapest one-way flights from Seoul to Cheju in January from $11

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

One-Way flights

20 Jan Air Seoul, Inc direct
27 Jan Air Seoul, Inc direct
26 Jan Air Seoul, Inc direct
21 Jan Eastar Jet direct
28 Jan Jin Air direct
19 Jan Eastar Jet direct
25 Jan Jin Air direct
22 Jan Air Busan direct
24 Jan Jeju Air direct
17 Jan Eastar Jet direct

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

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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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