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

Return flights

02 Sep - 05 Sep	Japan Airlines
10 Sep - 15 Sep	ANA
01 Sep - 03 Sep	Malaysia Airlines
13 Sep - 16 Sep	Malaysia Airlines
26 Sep - 29 Sep	Malaysia Airlines
13 Sep - 17 Sep	Malaysia Airlines
04 Sep - 09 Sep	Malaysia Airlines
06 Sep - 08 Sep	Malaysia Airlines
25 Sep - 28 Sep	Malaysia Airlines
05 Sep - 08 Sep	Malaysia Airlines
25 Sep - 02 Oct	ANA
30 Sep - 02 Oct	ANA
30 Sep - 03 Oct	Japan Airlines
29 Sep - 03 Oct	Japan Airlines
29 Sep - 02 Oct	Japan Airlines
29 Sep - 06 Oct	ANA
28 Sep - 06 Oct	ANA

Also check the deals for one-way flights from Osaka to Singapore 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 Singapore in September from 516€

Return flights