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

Return flights

02 Dec - 10 Dec	Avianca
01 Dec - 10 Dec	Avianca
03 Dec - 10 Dec	Avianca
04 Dec - 10 Dec	Avianca
01 Dec - 07 Dec	Avianca
01 Dec - 05 Dec	Avianca
02 Dec - 07 Dec	Avianca
10 Dec - 13 Dec	Avianca
08 Dec - 29 Jan	Avianca
10 Dec - 17 Dec	Avianca
05 Dec - 20 Dec	Avianca
08 Dec - 29 Jan	LATAM Airlines Group	direct
10 Dec - 09 Jan	Avianca
25 Dec - 01 Jan	Avianca
25 Dec - 08 Jan	Avianca
30 Dec - 07 Jan	Avianca
21 Dec - 01 Jan	Avianca
22 Dec - 01 Jan	Avianca
29 Dec - 06 Jan	Avianca
16 Dec - 06 Jan	Avianca

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 241€

Return flights