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

Return flights

14 Aug - 28 Aug	Sky Airline
25 Aug - 01 Sep	Avianca
15 Aug - 25 Aug	Sky Airline
14 Aug - 24 Aug	Avianca
28 Aug - 31 Aug	Avianca
25 Aug - 03 Sep	Avianca
29 Aug - 01 Sep	Sky Airline
21 Aug - 01 Sep	Avianca
15 Aug - 18 Aug	Sky Airline
15 Aug - 15 Sep	Sky Airline
31 Aug - 06 Sep	Sky Airline
17 Aug - 26 Aug	Sky Airline
10 Aug - 10 Sep	Arajet
15 Aug - 26 Aug	Sky Airline
14 Aug - 22 Aug	Sky Airline
10 Aug - 13 Sep	Sky Airline
24 Aug - 03 Sep	Sky Airline
14 Aug - 10 Sep	Sky Airline
15 Aug - 27 Aug	Sky Airline
17 Aug - 27 Aug	Sky Airline

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 $604

Return flights