Cheapest return flights from Mexico City to Buenos Aires in August from $645

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 August 2025 (see full year).

Return flights

05 Aug - 25 Aug Volaris
30 Aug - 06 Sep Viva Aerobus
16 Aug - 23 Aug Volaris
31 Aug - 10 Sep Arajet
19 Aug - 28 Aug Volaris
14 Aug - 19 Aug Arajet
07 Aug - 17 Aug Arajet
19 Aug - 26 Aug Arajet
12 Aug - 19 Aug Avianca
26 Aug - 02 Sep Arajet
15 Aug - 31 Aug LATAM Airlines Group
06 Aug - 15 Aug LATAM Airlines Group
05 Aug - 16 Aug LATAM Airlines Group
30 Aug - 13 Sep LATAM Airlines Group
26 Aug - 03 Sep LATAM Airlines Group
26 Aug - 08 Sep LATAM Airlines Group
27 Aug - 09 Sep LATAM Airlines Group
26 Aug - 09 Sep LATAM Airlines Group
26 Aug - 11 Sep LATAM Airlines Group
31 Aug - 11 Sep LATAM Airlines Group

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

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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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