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

Return flights

10 Jul - 13 Aug	Avianca
01 Jul - 31 Jul	Copa
08 Jul - 04 Aug	Copa
04 Jul - 31 Aug	Copa
10 Jul - 06 Aug	Copa
23 Jul - 23 Aug	Avianca
08 Jul - 20 Aug	Copa
09 Jul - 18 Aug	Copa
11 Jul - 23 Aug	Copa
11 Jul - 20 Aug	Copa
15 Jul - 06 Aug	Avianca
11 Jul - 26 Jul	Avianca
23 Jul - 30 Jul	Avianca
09 Jul - 16 Jul	Arajet
17 Jul - 28 Jul	Avianca
17 Jul - 31 Jul	Avianca
16 Jul - 30 Jul	Avianca
21 Jul - 30 Jul	Avianca
09 Jul - 15 Jul	Arajet
22 Jul - 29 Jul	Avianca

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 $575

Return flights