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

Return flights

26 Aug - 02 Sep	ANA
29 Aug - 31 Aug	ANA
19 Aug - 26 Aug	ANA
19 Aug - 24 Aug	ANA
26 Aug - 29 Aug	ANA
22 Aug - 26 Aug	ANA
01 Aug - 08 Aug	ANA
23 Aug - 27 Aug	ANA
28 Aug - 30 Aug	ANA
16 Aug - 20 Aug	ANA
29 Aug - 03 Sep	ANA
28 Aug - 03 Sep	ANA
30 Aug - 04 Sep	ANA
23 Aug - 25 Aug	ANA
30 Aug - 01 Sep	ANA
27 Aug - 01 Sep	ANA
30 Aug - 03 Sep	ANA
30 Aug - 05 Sep	Japan Airlines
31 Aug - 05 Sep	Japan Airlines
24 Aug - 06 Sep	Japan Airlines

Also check the deals for one-way flights from Osaka to Singapore in August.

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 August from $428

Return flights