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

Return flights

23 Sep - 09 Oct	SWISS
18 Sep - 09 Oct	SWISS
25 Sep - 12 Oct	Delta
25 Sep - 13 Oct	Delta
11 Sep - 21 Sep	Delta
12 Sep - 21 Sep	Delta
15 Sep - 28 Sep	Delta
12 Sep - 25 Sep	Delta
11 Sep - 23 Sep	Delta
18 Sep - 21 Oct	SWISS
20 Sep - 17 Oct	Lufthansa
20 Sep - 09 Oct	Lufthansa
05 Sep - 24 Oct	Delta
20 Sep - 21 Oct	Lufthansa
05 Sep - 20 Sep	Delta
08 Sep - 14 Sep	Delta
08 Sep - 22 Sep	Delta
07 Sep - 14 Sep	Delta
08 Sep - 21 Sep	Delta
22 Sep - 21 Oct	Delta

Also check the deals for one-way flights from Rome 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 Rome to Lima in September from $749

Return flights