Cheapest return flights from Adelaide to Singapore in September from $442

Best time to book flights for Adelaide (ADL) to Singapore (SIN) flights at AirHint

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

Return flights

07 Sep - 14 Sep Jetstar
05 Sep - 23 Oct Jetstar
05 Sep - 12 Sep Jetstar
05 Sep - 12 Sep Singapore Airlines direct
07 Sep - 14 Sep Singapore Airlines direct
20 Sep - 20 Sep Qantas
28 Sep - 06 Oct Jetstar
26 Sep - 07 Oct Jetstar
26 Sep - 07 Oct Singapore Airlines direct
26 Sep - 11 Oct Singapore Airlines direct
20 Sep - 20 Sep Singapore Airlines direct

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

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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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