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

Return flights

02 Dec - 09 Dec	Avianca
05 Dec - 14 Dec	Avianca
03 Dec - 13 Dec	Avianca
02 Dec - 10 Dec	Avianca
13 Dec - 24 Dec	Arajet
01 Dec - 06 Dec	Avianca
01 Dec - 05 Dec	Avianca
07 Dec - 14 Dec	Avianca
03 Dec - 10 Dec	Aeromexico	direct
02 Dec - 09 Dec	Aeromexico	direct
10 Dec - 29 Jan	Avianca
20 Dec - 01 Jan	Copa
28 Dec - 01 Jan	Avianca
31 Dec - 09 Jan	Avianca
16 Dec - 16 Jan	Avianca
25 Dec - 01 Jan	Aeromexico
25 Dec - 11 Jan	Aeromexico
31 Dec - 07 Jan	Copa
27 Dec - 01 Jan	Avianca
25 Dec - 02 Jan	Copa

Also check the deals for one-way flights from Mexico City to Lima in December.

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 Mexico City to Lima in December from $296

Return flights