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

Return flights

05 Sep - 19 Sep	LATAM Airlines Group
22 Sep - 27 Sep	LATAM Airlines Group
02 Sep - 28 Oct	LATAM Airlines Group
17 Sep - 15 Oct	LATAM Airlines Group
01 Sep - 26 Sep	LATAM Airlines Group
13 Sep - 04 Oct	LATAM Airlines Group
10 Sep - 10 Sep	LATAM Airlines Group
16 Sep - 28 Sep	Delta
18 Sep - 10 Oct	Delta
12 Sep - 29 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 $1512

Return flights