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

Return flights

06 Sep - 14 Sep	Sky Airline
26 Sep - 09 Oct	JetSmart
12 Sep - 26 Sep	JetSmart
05 Sep - 12 Sep	Sky Airline
18 Sep - 27 Sep	LATAM Airlines Group
19 Sep - 30 Sep	LATAM Airlines Group
26 Sep - 30 Sep	JetSmart
01 Sep - 09 Sep	JetSmart
28 Sep - 07 Oct	JetSmart
30 Sep - 07 Oct	JetSmart
16 Sep - 16 Oct	JetSmart
03 Sep - 11 Sep	JetSmart
09 Sep - 11 Oct	Aerolineas Argentinas
03 Sep - 10 Sep	JetSmart
19 Sep - 02 Oct	Sky Airline
06 Sep - 21 Sep	Sky Airline
28 Sep - 05 Oct	JetSmart
27 Sep - 08 Oct	Sky Airline
21 Sep - 02 Oct	Sky Airline
24 Sep - 05 Oct	Aerolineas Argentinas

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 502€

Return flights