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

Return flights

31 Jan - 05 Feb	T'way Air	direct
31 Jan - 07 Feb	T'way Air
31 Jan - 07 Feb	T'way Air	direct
31 Jan - 04 Feb	Jeju Air
31 Jan - 03 Feb	Jeju Air
31 Jan - 01 Feb	Jeju Air
31 Jan - 04 Feb	T'way Air	direct
31 Jan - 03 Feb	T'way Air	direct
31 Jan - 01 Feb	T'way Air	direct

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 $278

Return flights