Cheapest one-way flights from Seoul to Cheju in January from $26

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

One-Way flights

19 Jan Korean Air direct
15 Jan Asiana Airlines direct
03 Jan Korean Air direct
18 Jan Korean Air direct
10 Jan Korean Air direct
16 Jan Asiana Airlines direct
09 Jan Asiana Airlines direct
01 Jan Korean Air direct

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

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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