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

Return flights

29 Sep - 06 Oct	Aeromexico
03 Sep - 23 Sep	Aeromexico
25 Sep - 17 Oct	Avianca
02 Sep - 11 Sep	Avianca
18 Sep - 28 Sep	Copa
15 Sep - 29 Sep	Copa
01 Sep - 15 Sep	Copa
06 Sep - 21 Sep	Copa
06 Sep - 13 Sep	Copa
01 Sep - 13 Sep	Copa
06 Sep - 08 Sep	Copa
12 Sep - 25 Sep	Copa
25 Sep - 01 Oct	Copa
20 Sep - 04 Oct	Copa
16 Sep - 16 Oct	Copa
29 Sep - 13 Oct	Copa
27 Sep - 14 Oct	Copa
29 Sep - 14 Oct	Copa
27 Sep - 04 Oct	Copa
20 Sep - 02 Oct	Copa

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

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 Buenos Aires to Cancun in September from 499€

Return flights