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

Return flights

08 Oct - 28 Oct	Avianca
28 Oct - 04 Nov	Avianca
07 Oct - 29 Oct	Avianca
20 Oct - 27 Oct	Avianca
16 Oct - 21 Oct	Avianca
17 Oct - 22 Oct	Avianca
24 Oct - 27 Oct	Avianca
22 Oct - 29 Oct	Avianca
02 Oct - 16 Oct	Avianca
01 Oct - 10 Oct	Avianca
02 Oct - 09 Oct	Avianca
19 Oct - 06 Nov	Avianca
20 Oct - 06 Nov	Avianca
30 Oct - 11 Nov	Avianca
31 Oct - 11 Nov	Avianca
26 Oct - 02 Nov	Avianca
14 Oct - 13 Nov	Copa
29 Oct - 05 Nov	Avianca
25 Oct - 01 Nov	Arajet
11 Oct - 11 Nov	Arajet

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

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 October from 470€

Return flights