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

Return flights

21 Aug - 01 Sep	Aeromexico
25 Aug - 03 Sep	Aeromexico
11 Aug - 04 Sep	Aeromexico
15 Aug - 26 Aug	Aeromexico
17 Aug - 26 Aug	Aeromexico
14 Aug - 24 Aug	Aeromexico
09 Aug - 18 Aug	Aeromexico
14 Aug - 22 Aug	Aeromexico
17 Aug - 27 Aug	Aeromexico
25 Aug - 30 Aug	Aeromexico
11 Aug - 18 Aug	Aeromexico
17 Aug - 25 Aug	Aeromexico
16 Aug - 24 Aug	Aeromexico
25 Aug - 01 Sep	Aeromexico
31 Aug - 07 Sep	Aeromexico
08 Aug - 06 Sep	Aeromexico
29 Aug - 12 Sep	Aeromexico
06 Aug - 15 Sep	Avianca
30 Aug - 14 Sep	Avianca

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 $554

Return flights