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

Return flights

15 Oct - 29 Oct	GOL Linhas Aéreas
20 Oct - 29 Oct	LATAM Airlines Group
20 Oct - 28 Oct	LATAM Airlines Group
01 Oct - 22 Oct	LATAM Airlines Group
10 Oct - 30 Oct	LATAM Airlines Group
16 Oct - 06 Nov	LATAM Airlines Group
07 Oct - 14 Oct	Avianca
15 Oct - 30 Oct	Avianca
21 Oct - 13 Nov	Avianca
13 Oct - 24 Oct	Avianca
18 Oct - 08 Nov	Avianca
21 Oct - 05 Nov	Avianca
30 Oct - 23 Nov	Avianca
25 Oct - 08 Nov	Avianca

Also check the deals for one-way flights from Buenos Aires to Mexico City in October.

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 October from $682

Return flights