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

Return flights

23 Sep - 30 Sep	AirAsia
24 Sep - 30 Sep	Juneyao Airlines
22 Sep - 30 Sep	Juneyao Airlines
23 Sep - 26 Sep	AirAsia
26 Sep - 01 Oct	AirAsia
25 Sep - 04 Oct	Juneyao Airlines
25 Sep - 03 Oct	Juneyao Airlines
23 Sep - 29 Sep	AirAsia
21 Sep - 25 Sep	Xiamen Airlines
28 Sep - 01 Oct	Scoot	direct
28 Sep - 02 Oct	Scoot	direct
24 Sep - 30 Sep	Peach	direct
24 Sep - 28 Sep	Jeju Air
29 Sep - 01 Oct	Scoot	direct
29 Sep - 03 Oct	Jeju Air
25 Sep - 30 Sep	Vietnam Airlines
25 Sep - 02 Oct	Vietnam Airlines
30 Sep - 07 Oct	Scoot	direct
28 Sep - 07 Oct	Scoot	direct
24 Sep - 28 Sep	Peach	direct

Also check the deals for one-way flights from Singapore 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 Singapore to Osaka in September from 232€

Return flights