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

Return flights

15 Sep - 10 Oct	LATAM Airlines Group
26 Sep - 09 Oct	LATAM Airlines Group
25 Sep - 08 Oct	Sky Airline
05 Sep - 26 Sep	JetSmart
25 Sep - 26 Sep	JetSmart
18 Sep - 26 Sep	JetSmart
22 Sep - 08 Oct	LATAM Airlines Group
26 Sep - 05 Oct	LATAM Airlines Group	direct
01 Sep - 05 Sep	JetSmart
26 Sep - 10 Oct	JetSmart
04 Sep - 05 Sep	JetSmart
07 Sep - 26 Sep	JetSmart
25 Sep - 05 Oct	JetSmart
27 Sep - 10 Oct	JetSmart
18 Sep - 05 Oct	JetSmart
01 Sep - 04 Sep	JetSmart
09 Sep - 26 Sep	JetSmart
27 Sep - 05 Oct	JetSmart
11 Sep - 26 Sep	JetSmart
15 Sep - 26 Sep	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 $311

Return flights