AirHint found the following cheapest return flights from Sydney (SYD) to Lima (LIM) in September 2025 (see full year).

Return flights

09 Sep - 18 Sep	Qantas
10 Sep - 17 Sep	LATAM Airlines Group
01 Sep - 15 Sep	LATAM Airlines Group
25 Sep - 12 Oct	LATAM Airlines Group
10 Sep - 01 Oct	LATAM Airlines Group
11 Sep - 26 Sep	LATAM Airlines Group
21 Sep - 01 Oct	LATAM Airlines Group
26 Sep - 12 Oct	LATAM Airlines Group
05 Sep - 21 Sep	Qantas
18 Sep - 25 Oct	LATAM Airlines Group
27 Sep - 12 Oct	LATAM Airlines Group
18 Sep - 03 Oct	LATAM Airlines Group
05 Sep - 26 Sep	Delta
01 Sep - 29 Sep	Delta
01 Sep - 26 Sep	Delta

Also check the deals for one-way flights from Sydney to Lima 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 Sydney to Lima in September from 1342€

Return flights