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

Return flights

31 Jul - 11 Aug	Jetstar
28 Jul - 07 Aug	Jetstar
27 Jul - 10 Aug	Jetstar
31 Jul - 16 Aug	Jetstar
31 Jul - 10 Aug	Jetstar
27 Jul - 03 Aug	Jetstar
26 Jul - 23 Aug	Jetstar
25 Jul - 31 Jul	Jetstar
24 Jul - 08 Aug	Jetstar
29 Jul - 01 Aug	Jetstar
22 Jul - 28 Jul	Jetstar
24 Jul - 28 Jul	Jetstar
17 Jul - 24 Jul	Jetstar
26 Jul - 29 Jul	Jetstar
09 Jul - 12 Aug	Jetstar
19 Jul - 26 Jul	Indonesia AirAsia
16 Jul - 30 Jul	Jetstar
18 Jul - 27 Jul	Jetstar
21 Jul - 25 Jul	Jetstar
08 Jul - 28 Jul	Indonesia AirAsia

Also check the deals for one-way flights from Adelaide to Singapore in July.

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 July from $409

Return flights