AirHint found the following cheapest return flights from Mexico City (MEX) to Buenos Aires (AEP) in July 2026 (see full year).

Return flights

23 Jul - 29 Jul	LATAM Airlines Group
25 Jul - 02 Aug	Arajet
23 Jul - 30 Jul	LATAM Airlines Group
24 Jul - 31 Jul	Avianca
29 Jul - 19 Aug	Avianca
29 Jul - 22 Aug	Avianca
13 Jul - 24 Jul	Avianca
26 Jul - 02 Aug	Volaris
19 Jul - 01 Aug	LATAM Airlines Group
17 Jul - 01 Aug	LATAM Airlines Group
17 Jul - 31 Jul	LATAM Airlines Group
29 Jul - 06 Aug	LATAM Airlines Group
15 Jul - 29 Jul	LATAM Airlines Group
16 Jul - 01 Aug	LATAM Airlines Group
19 Jul - 29 Jul	Avianca
18 Jul - 31 Jul	Avianca
19 Jul - 30 Jul	Avianca
28 Jul - 05 Aug	Avianca
08 Jul - 14 Jul	Avianca
22 Jul - 02 Aug	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 701€

Return flights