AirHint found the following cheapest return flights from Cancun (CUN) to Buenos Aires (AEP) in August 2026 (see full year).

Return flights

08 Aug - 29 Aug	Avianca
21 Aug - 26 Aug	Avianca
23 Aug - 06 Sep	Avianca
01 Aug - 07 Aug	Avianca
26 Aug - 29 Aug	Viva
22 Aug - 29 Aug	Viva
27 Aug - 29 Aug	Viva
19 Aug - 29 Aug	Viva
18 Aug - 29 Aug	Viva
26 Aug - 16 Sep	Viva
26 Aug - 06 Sep	Viva
29 Aug - 16 Sep	Viva
29 Aug - 06 Sep	Viva
22 Aug - 06 Sep	Viva
27 Aug - 16 Sep	Viva
27 Aug - 06 Sep	Viva
21 Aug - 06 Sep	Viva
19 Aug - 06 Sep	Viva
10 Aug - 29 Aug	Viva
11 Aug - 29 Aug	Viva

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 521€

Return flights