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

Return flights

24 Sep - 30 Sep	Copa
24 Sep - 28 Sep	Copa
26 Sep - 01 Oct	LATAM Airlines Group
30 Sep - 04 Oct	LATAM Airlines Group
30 Sep - 07 Oct	Sky Airline
30 Sep - 14 Oct	Sky Airline
19 Sep - 27 Sep	Copa
20 Sep - 28 Sep	Copa
19 Sep - 23 Sep	Copa
25 Sep - 01 Oct	Copa
29 Sep - 08 Oct	Copa
19 Sep - 26 Sep	Copa
21 Sep - 29 Sep	Copa
22 Sep - 29 Sep	Copa
29 Sep - 07 Oct	LATAM Airlines Group
28 Sep - 05 Oct	LATAM Airlines Group
19 Sep - 21 Oct	Avianca
29 Sep - 13 Oct	Copa
20 Sep - 27 Sep	Copa
19 Sep - 28 Sep	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 $607

Return flights