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

Return flights

07 Oct - 18 Oct	Sky Airline
18 Oct - 25 Oct	Sky Airline
14 Oct - 18 Oct	Sky Airline
28 Oct - 09 Nov	Avianca
02 Oct - 11 Oct	Sky Airline
18 Oct - 27 Oct	Sky Airline
28 Oct - 02 Nov	Avianca
11 Oct - 31 Oct	Sky Airline
14 Oct - 11 Nov	Sky Airline
11 Oct - 11 Nov	Sky Airline
04 Oct - 24 Oct	Sky Airline
18 Oct - 30 Oct	Sky Airline
14 Oct - 13 Nov	Sky Airline
14 Oct - 21 Oct	Sky Airline
30 Oct - 06 Nov	Sky Airline
21 Oct - 31 Oct	Sky Airline
20 Oct - 01 Nov	Avianca
31 Oct - 07 Nov	LATAM Airlines Group
24 Oct - 03 Nov	Avianca
24 Oct - 01 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 476€

Return flights