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

Return flights

15 Sep - 22 Sep	Avianca
04 Sep - 11 Sep	Avianca
05 Sep - 11 Sep	Avianca
05 Sep - 12 Sep	Avianca
04 Sep - 12 Sep	Avianca
01 Sep - 04 Sep	Avianca
24 Sep - 28 Sep	Copa
29 Sep - 06 Oct	Copa
11 Sep - 16 Sep	Avianca
01 Sep - 10 Sep	Avianca
07 Sep - 14 Sep	Avianca

Also check the deals for one-way flights from Guatemala City 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 Guatemala City to Lima in September from 314€

Return flights