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

Return flights

21 Oct - 27 Oct	Arajet
15 Oct - 20 Oct	Arajet
22 Oct - 29 Oct	Avianca
20 Oct - 27 Oct	Avianca
21 Oct - 28 Oct	Avianca
07 Oct - 29 Oct	Avianca
09 Oct - 16 Oct	Avianca
06 Oct - 27 Oct	Avianca
09 Oct - 23 Oct	Avianca
16 Oct - 20 Oct	Avianca
30 Oct - 07 Nov	Arajet
28 Oct - 14 Nov	Copa
31 Oct - 08 Nov	Arajet
25 Oct - 03 Nov	Arajet
29 Oct - 05 Nov	Avianca
26 Oct - 06 Nov	Avianca
26 Oct - 04 Nov	Avianca
26 Oct - 02 Nov	Avianca
19 Oct - 01 Nov	Aeromexico
30 Oct - 06 Nov	Avianca

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 448€

Return flights