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

Return flights

29 Aug - 06 Sep	Arajet
29 Aug - 07 Sep	Arajet
25 Aug - 31 Aug	Arajet
25 Aug - 27 Aug	Arajet
28 Aug - 04 Sep	Copa
26 Aug - 03 Sep	Copa
31 Aug - 23 Sep	Avianca
23 Aug - 30 Aug	Avianca
26 Aug - 30 Aug	Avianca
21 Aug - 27 Aug	Avianca
24 Aug - 10 Sep	Avianca
28 Aug - 12 Sep	Copa
28 Aug - 11 Sep	Copa
21 Aug - 24 Aug	Avianca
29 Aug - 11 Sep	Copa
22 Aug - 29 Aug	Avianca
24 Aug - 25 Aug	Avianca
19 Aug - 25 Aug	LATAM Airlines Group
20 Aug - 26 Aug	Copa
31 Aug - 23 Sep	Aeromexico	direct

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

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 Lima to Mexico City in August from $405

Return flights