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

Return flights

04 Sep - 29 Oct	SWISS
07 Sep - 17 Sep	Delta
05 Sep - 19 Sep	Delta
05 Sep - 21 Sep	Delta
06 Sep - 20 Sep	Delta
03 Sep - 17 Sep	Delta
06 Sep - 17 Sep	Delta
08 Sep - 17 Sep	Delta
05 Sep - 20 Sep	Delta
17 Sep - 28 Sep	Delta
05 Sep - 15 Sep	Delta
20 Sep - 13 Oct	Delta
18 Sep - 19 Oct	SWISS
20 Sep - 12 Oct	Delta
20 Sep - 14 Oct	Delta
26 Sep - 19 Oct	Delta
16 Sep - 11 Oct	Delta
21 Sep - 14 Oct	Lufthansa
21 Sep - 13 Oct	Lufthansa
20 Sep - 31 Oct	Lufthansa

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 657€

Return flights