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

Return flights

14 Sep - 21 Sep	Arajet
24 Sep - 07 Oct	Arajet
20 Sep - 27 Sep	LATAM Airlines Group
15 Sep - 22 Sep	LATAM Airlines Group
17 Sep - 24 Sep	LATAM Airlines Group
12 Sep - 24 Sep	Viva
03 Sep - 24 Sep	Viva
15 Sep - 24 Sep	Viva
18 Sep - 24 Sep	Viva
16 Sep - 24 Sep	Viva
20 Sep - 24 Sep	Viva
29 Sep - 07 Oct	Viva
30 Sep - 07 Oct	Viva
21 Sep - 07 Oct	Viva
28 Sep - 07 Oct	Viva
25 Sep - 07 Oct	Viva
27 Sep - 07 Oct	Viva
18 Sep - 07 Oct	Viva
16 Sep - 07 Oct	Viva
20 Sep - 07 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 $617

Return flights