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

Return flights

20 Aug - 27 Aug	ANA
18 Aug - 21 Aug	ANA
22 Aug - 24 Aug	ANA
26 Aug - 29 Aug	ANA
22 Aug - 26 Aug	ANA
20 Aug - 24 Aug	ANA
27 Aug - 31 Aug	ANA
20 Aug - 23 Aug	ANA
16 Aug - 22 Aug	ANA
16 Aug - 23 Aug	ANA
27 Aug - 01 Sep	ANA
29 Aug - 01 Sep	ANA
25 Aug - 02 Sep	Japan Airlines
31 Aug - 03 Sep	Japan Airlines
31 Aug - 04 Sep	Japan Airlines
31 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 496€

Return flights