AirHint found the following cheapest return flights from Cheju (CJU) to Osaka (KIX) in September 2025 (see full year).

Return flights

02 Sep - 03 Sep	Jeju Air
02 Sep - 04 Sep	Jeju Air
02 Sep - 10 Sep	Jeju Air
17 Sep - 18 Sep	T'way Air	direct
02 Sep - 30 Sep	Jeju Air
01 Sep - 04 Sep	Jeju Air
10 Sep - 17 Sep	Jeju Air
09 Sep - 16 Sep	Jeju Air
13 Sep - 18 Sep	T'way Air	direct
03 Sep - 06 Sep	Jeju Air
24 Sep - 01 Oct	T'way Air	direct
29 Sep - 06 Oct	T'way Air
27 Sep - 04 Oct	Jeju Air
30 Sep - 03 Oct	T'way Air	direct
27 Sep - 04 Oct	T'way Air	direct
29 Sep - 02 Oct	T'way Air	direct
25 Sep - 02 Oct	T'way Air	direct
28 Sep - 05 Oct	T'way Air	direct
29 Sep - 06 Oct	T'way Air	direct

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

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 September from 119€

Return flights