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

Return flights

25 Aug - 07 Sep	Jetstar
27 Aug - 01 Sep	Jetstar
29 Aug - 14 Sep	Jetstar
21 Aug - 26 Aug	Jetstar
31 Aug - 06 Sep	Virgin Australia
28 Aug - 29 Aug	Jetstar
21 Aug - 25 Aug	Indonesia AirAsia
29 Aug - 31 Aug	Virgin Australia
24 Aug - 30 Aug	Virgin Australia
29 Aug - 12 Sep	Jetstar
24 Aug - 31 Aug	Virgin Australia
22 Aug - 12 Sep	Jetstar
21 Aug - 06 Sep	Jetstar
27 Aug - 05 Sep	Jetstar
20 Aug - 30 Aug	Qantas
23 Aug - 30 Aug	Qantas
29 Aug - 12 Sep	Singapore Airlines	direct
27 Aug - 05 Sep	Singapore Airlines	direct
21 Aug - 26 Aug	Singapore Airlines	direct
23 Aug - 24 Aug	Indonesia AirAsia

Also check the deals for one-way flights from Adelaide 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 Adelaide to Singapore in August from $430

Return flights