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

Return flights

08 Jan - 11 Jan	T'way Air
20 Jan - 24 Jan	Jeju Air
17 Jan - 21 Jan	Eastar Jet
19 Jan - 26 Jan	Korean Air
13 Jan - 17 Jan	T'way Air	direct
05 Jan - 08 Jan	T'way Air	direct
05 Jan - 14 Jan	T'way Air	direct
09 Jan - 11 Jan	Spring Airlines
09 Jan - 17 Jan	T'way Air	direct
24 Jan - 30 Jan	Eastar Jet

Also check the deals for one-way flights from Cheju to Osaka in January.

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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Cheapest return flights from Cheju to Osaka in January from $208

Return flights