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

Return flights

27 Aug - 06 Sep	Arajet
25 Aug - 29 Aug	Avianca
31 Aug - 29 Sep	Avianca
30 Aug - 07 Sep	Avianca
21 Aug - 25 Aug	Avianca
21 Aug - 28 Aug	Avianca
28 Aug - 06 Sep	Avianca
28 Aug - 07 Sep	Avianca
25 Aug - 01 Sep	Avianca
28 Aug - 04 Sep	Avianca
30 Aug - 06 Sep	Avianca
26 Aug - 02 Sep	Avianca
29 Aug - 06 Sep	Avianca
24 Aug - 28 Aug	Aeromexico
19 Aug - 26 Aug	Copa
25 Aug - 30 Aug	Copa
20 Aug - 27 Aug	Arajet
18 Aug - 27 Aug	Copa
17 Aug - 27 Aug	Arajet
18 Aug - 25 Aug	Copa

Also check the deals for one-way flights from Cancun to Buenos Aires in August.

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 August from 453€

Return flights