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

Return flights

07 Jul - 09 Jul	LATAM Airlines Group
12 Jul - 02 Aug	Arajet
08 Jul - 31 Aug	Viva
09 Jul - 31 Aug	Viva
22 Jul - 30 Jul	Arajet
10 Jul - 02 Aug	Avianca
09 Jul - 31 Jul	Avianca
07 Jul - 18 Aug	Avianca
07 Jul - 29 Jul	Avianca
23 Jul - 29 Jul	Avianca
23 Jul - 07 Aug	Avianca
10 Jul - 09 Aug	Arajet
16 Jul - 31 Aug	Arajet
09 Jul - 30 Jul	Avianca
22 Jul - 02 Aug	Avianca
22 Jul - 28 Jul	Avianca
13 Jul - 29 Jul	Avianca
22 Jul - 06 Aug	Avianca
05 Jul - 31 Jul	Avianca
04 Jul - 31 Jul	Avianca

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

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 Mexico City to Buenos Aires in July from 448€

Return flights