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

Return flights

27 Jul - 04 Aug	Arajet
27 Jul - 02 Aug	Arajet
27 Jul - 10 Aug	Arajet
27 Jul - 03 Aug	Arajet
27 Jul - 31 Jul	Arajet
28 Jul - 11 Aug	Copa
28 Jul - 12 Aug	Copa
28 Jul - 04 Aug	Copa
29 Jul - 26 Aug	Arajet
29 Jul - 06 Aug	Arajet
29 Jul - 05 Aug	Arajet
27 Jul - 31 Jul	Aerolineas Argentinas	direct

Also check the deals for one-way flights from Cancun 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 Cancun to Buenos Aires in July from 528€

Return flights