Cheapest return flights from Mexico City to Buenos Aires in July from $724

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

23 Jul - 01 Aug Avianca
05 Jul - 13 Jul LATAM Airlines Group
19 Jul - 28 Jul LATAM Airlines Group
15 Jul - 22 Jul Volaris
16 Jul - 26 Jul LATAM Airlines Group
16 Jul - 27 Jul LATAM Airlines Group
16 Jul - 28 Jul LATAM Airlines Group
15 Jul - 24 Jul LATAM Airlines Group
04 Jul - 11 Jul LATAM Airlines Group
07 Jul - 31 Jul LATAM Airlines Group
15 Jul - 27 Jul LATAM Airlines Group
23 Jul - 12 Aug LATAM Airlines Group
17 Jul - 02 Aug LATAM Airlines Group
20 Jul - 05 Aug LATAM Airlines Group
20 Jul - 02 Aug LATAM Airlines Group
22 Jul - 02 Aug LATAM Airlines Group
15 Jul - 05 Aug LATAM Airlines Group
05 Jul - 03 Aug LATAM Airlines Group
05 Jul - 02 Aug LATAM Airlines Group
27 Jul - 09 Aug Arajet

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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