Cheapest return flights from Mexico City to Buenos Aires in October from $662

Best time to book flights for Mexico City (MEX) to Buenos Aires (AEP) flights at AirHint

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

Return flights

05 Oct - 11 Oct Arajet
15 Oct - 29 Oct LATAM Airlines Group
01 Oct - 16 Oct LATAM Airlines Group
02 Oct - 09 Oct LATAM Airlines Group
06 Oct - 16 Oct LATAM Airlines Group
06 Oct - 24 Oct LATAM Airlines Group
07 Oct - 14 Oct LATAM Airlines Group
07 Oct - 15 Oct LATAM Airlines Group
20 Oct - 28 Oct LATAM Airlines Group
15 Oct - 22 Oct LATAM Airlines Group
12 Oct - 17 Nov LATAM Airlines Group
23 Oct - 18 Nov LATAM Airlines Group
31 Oct - 09 Nov LATAM Airlines Group
15 Oct - 01 Nov LATAM Airlines Group
30 Oct - 04 Nov Arajet
27 Oct - 01 Nov Volaris
29 Oct - 07 Nov LATAM Airlines Group
22 Oct - 02 Nov LATAM Airlines Group
26 Oct - 02 Nov LATAM Airlines Group
27 Oct - 15 Nov Aeromexico

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

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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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