Cheapest return flights from Mexico City to Buenos Aires in July from $661

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 July 2025 (see full year).

Return flights

01 Jul - 15 Jul LATAM Airlines Group
01 Jul - 31 Jul LATAM Airlines Group
16 Jul - 31 Jul LATAM Airlines Group
17 Jul - 31 Jul LATAM Airlines Group
30 Jul - 13 Aug LATAM Airlines Group
11 Jul - 27 Jul LATAM Airlines Group
16 Jul - 23 Jul LATAM Airlines Group
07 Jul - 17 Aug Avianca
07 Jul - 13 Jul LATAM Airlines Group
27 Jul - 18 Aug LATAM Airlines Group
11 Jul - 22 Jul LATAM Airlines Group
07 Jul - 14 Jul LATAM Airlines Group
21 Jul - 31 Jul LATAM Airlines Group
29 Jul - 05 Aug LATAM Airlines Group
30 Jul - 06 Aug LATAM Airlines Group
28 Jul - 06 Aug LATAM Airlines Group
11 Jul - 01 Aug Copa
24 Jul - 04 Aug Arajet
26 Jul - 04 Aug LATAM Airlines Group
31 Jul - 03 Aug Avianca

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

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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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