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

Return flights

12 Aug - 26 Aug	Jetstar
05 Aug - 12 Aug	Jetstar
11 Aug - 18 Aug	Jetstar
04 Aug - 12 Aug	Jetstar
12 Aug - 19 Aug	Jetstar
26 Aug - 01 Sep	Jetstar
05 Aug - 09 Sep	Jetstar
19 Aug - 26 Aug	Jetstar
03 Aug - 12 Aug	Jetstar
28 Aug - 02 Sep	Jetstar
21 Aug - 26 Aug	Jetstar
25 Aug - 29 Aug	Jetstar
07 Aug - 12 Aug	Jetstar
21 Aug - 22 Sep	Jetstar
28 Aug - 06 Sep	Jetstar
18 Aug - 13 Sep	Jetstar
14 Aug - 06 Sep	Jetstar
28 Aug - 04 Sep	Jetstar
22 Aug - 01 Sep	Jetstar
21 Aug - 10 Sep	Jetstar

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 336€

Return flights