Cheapest return flights from Seoul to Cheju in January from $283

AirHint found the following cheapest return flights from Seoul (ICN) to Cheju (CJU) in January 2026 (see full year).

Return flights

12 Jan - 19 Jan China Eastern
12 Jan - 14 Jan China Eastern
14 Jan - 16 Jan Shandong Airlines
11 Jan - 14 Jan China Eastern
07 Jan - 08 Jan China Southern
01 Jan - 05 Jan China Eastern
06 Jan - 09 Jan China Eastern
20 Jan - 27 Jan HK Express
14 Jan - 19 Jan China Eastern
07 Jan - 12 Jan Shanghai Airlines

Also check the deals for one-way 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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