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

Return flights

22 Sep - 30 Sep	Copa
13 Sep - 24 Sep	Avianca
13 Sep - 20 Sep	Avianca
21 Sep - 28 Sep	Copa
06 Sep - 14 Sep	Copa
21 Sep - 30 Sep	Copa
17 Sep - 28 Sep	Copa
10 Sep - 21 Sep	Copa
10 Sep - 26 Sep	Copa
24 Sep - 28 Sep	Copa
26 Sep - 06 Oct	Copa
26 Sep - 15 Oct	Copa
30 Sep - 30 Oct	Copa
25 Sep - 23 Oct	Copa
17 Sep - 13 Oct	Copa
22 Sep - 04 Oct	Avianca
15 Sep - 06 Oct	Copa
17 Sep - 13 Oct	Delta	direct
26 Sep - 06 Oct	Delta	direct
22 Sep - 04 Oct	Delta	direct

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Lima in September from 457€

Return flights