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

Return flights

01 Sep - 06 Sep	Jetstar	direct
02 Sep - 09 Sep	Jetstar	direct
13 Sep - 17 Sep	Jetstar	direct
03 Sep - 17 Sep	Jetstar	direct
01 Sep - 07 Sep	Jetstar	direct
07 Sep - 11 Sep	Jetstar	direct
14 Sep - 24 Sep	Jetstar	direct
13 Sep - 20 Sep	Jetstar	direct
07 Sep - 20 Sep	Jetstar	direct
04 Sep - 07 Sep	Jetstar	direct
30 Sep - 07 Oct	Jetstar	direct
30 Sep - 03 Oct	Jetstar	direct
25 Sep - 02 Oct	Jetstar	direct
29 Sep - 05 Oct	Virgin Australia	direct
29 Sep - 04 Oct	Jetstar	direct
26 Sep - 04 Oct	Virgin Australia	direct

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

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 Perth to Adelaide in September from $207

Return flights