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

Return flights

20 Sep - 01 Oct	Spirit Airlines
18 Sep - 25 Sep	Spirit Airlines
24 Sep - 29 Sep	Spirit Airlines
16 Sep - 22 Sep	Spirit Airlines
18 Sep - 25 Sep	LATAM Airlines Group	direct
20 Sep - 01 Oct	LATAM Airlines Group	direct
24 Sep - 29 Sep	LATAM Airlines Group	direct

Also check the deals for one-way flights from Atlanta 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.

Book a cheap hotel in Lima

Cheap car rent in Lima

Cheapest return flights from Atlanta to Lima in September from $495

Return flights