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

Return flights

04 Sep - 12 Sep	Arajet
05 Sep - 12 Sep	Avianca
10 Sep - 17 Sep	Avianca
03 Sep - 10 Sep	Avianca
02 Sep - 09 Sep	Avianca
20 Sep - 24 Sep	Avianca
08 Sep - 16 Sep	Avianca
18 Sep - 25 Sep	Avianca
15 Sep - 23 Sep	Avianca
24 Sep - 01 Oct	Avianca
23 Sep - 01 Oct	Avianca
11 Sep - 16 Sep	Avianca
30 Sep - 09 Oct	Avianca
26 Sep - 02 Oct	Copa
25 Sep - 03 Oct	Avianca
18 Sep - 02 Oct	Copa
26 Sep - 07 Oct	Volaris	direct
23 Sep - 01 Oct	Aeromexico	direct
24 Sep - 01 Oct	Aeromexico	direct
26 Sep - 10 Oct	Aeromexico	direct

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

Book a cheap hotel in Lima

Cheap car rent in Lima

Cheapest return flights from Mexico City to Lima in September from $272

Return flights