AirHint found the following cheapest return flights from Osaka (ITM) to Jakarta (CGK) in September 2025 (see full year).

Return flights

03 Sep - 09 Sep	Japan Airlines
15 Sep - 29 Sep	Malaysia Airlines
12 Sep - 16 Sep	Japan Airlines
03 Sep - 13 Sep	Japan Airlines
04 Sep - 12 Sep	Japan Airlines
10 Sep - 14 Sep	Japan Airlines
10 Sep - 24 Sep	Japan Airlines
12 Sep - 15 Sep	Japan Airlines
10 Sep - 15 Sep	Japan Airlines
11 Sep - 23 Sep	Japan Airlines
29 Sep - 06 Oct	Japan Airlines

Also check the deals for one-way flights from Osaka to Jakarta 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 Osaka to Jakarta in September from $694

Return flights