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

Return flights

03 Sep - 08 Sep	LATAM Airlines Group
11 Sep - 18 Sep	Sky Airline
15 Sep - 01 Oct	LATAM Airlines Group
25 Sep - 30 Sep	Sky Airline
04 Sep - 09 Sep	Sky Airline
27 Sep - 01 Oct	Sky Airline
27 Sep - 02 Oct	Sky Airline
25 Sep - 10 Oct	Sky Airline
08 Sep - 15 Sep	Sky Airline
04 Sep - 18 Sep	JetSmart
04 Sep - 11 Sep	JetSmart
18 Sep - 22 Sep	Sky Airline
28 Sep - 02 Oct	Sky Airline
27 Sep - 10 Oct	JetSmart
06 Sep - 11 Sep	Sky Airline
27 Sep - 16 Oct	JetSmart
27 Sep - 28 Sep	JetSmart
28 Sep - 10 Oct	JetSmart
28 Sep - 01 Oct	JetSmart
27 Sep - 15 Oct	JetSmart

Also check the deals for one-way flights from Lima to Mendoza 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 Lima to Mendoza in September from 259€

Return flights