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

Return flights

11 Sep - 21 Sep	Arajet
07 Sep - 21 Sep	Arajet
03 Sep - 12 Sep	Arajet
18 Sep - 30 Sep	Arajet
28 Sep - 05 Oct	Arajet
01 Sep - 10 Sep	LATAM Airlines Group
17 Sep - 29 Sep	LATAM Airlines Group
03 Sep - 10 Sep	LATAM Airlines Group
02 Sep - 09 Sep	Viva
02 Sep - 06 Sep	Viva
02 Sep - 07 Sep	Viva
29 Sep - 19 Oct	Viva
28 Sep - 19 Oct	Viva
30 Sep - 19 Oct	Viva
27 Sep - 18 Oct	Viva
29 Sep - 18 Oct	Viva
28 Sep - 18 Oct	Viva
30 Sep - 18 Oct	Viva
27 Sep - 17 Oct	Viva
27 Sep - 13 Oct	Viva

Also check the deals for one-way flights from Cancun to Buenos Aires 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 Cancun to Buenos Aires in September from $691

Return flights