AirHint found the following cheapest return flights from Buenos Aires (EZE) to Mexico City (MEX) in September 2025 (see full year).

Return flights

10 Sep - 29 Sep	Arajet
23 Sep - 30 Sep	LATAM Airlines Group
26 Sep - 09 Oct	LATAM Airlines Group
02 Sep - 02 Oct	LATAM Airlines Group
10 Sep - 25 Sep	Arajet
10 Sep - 24 Sep	Arajet
02 Sep - 09 Sep	LATAM Airlines Group
01 Sep - 07 Sep	Arajet
06 Sep - 16 Sep	Arajet
01 Sep - 04 Sep	Arajet
09 Sep - 19 Sep	LATAM Airlines Group
09 Sep - 17 Sep	LATAM Airlines Group
26 Sep - 09 Oct	Aeromexico	direct
02 Sep - 02 Oct	Aeromexico	direct
25 Sep - 31 Oct	Copa
02 Sep - 29 Oct	Copa

Also check the deals for one-way flights from Buenos Aires to Mexico City 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 Buenos Aires to Mexico City in September from $670

Return flights