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

Return flights

22 Oct - 31 Oct	Avianca
28 Oct - 04 Nov	Avianca
29 Oct - 17 Nov	Avianca
27 Oct - 21 Nov	Avianca
30 Oct - 10 Nov	Avianca
30 Oct - 11 Nov	Avianca
27 Oct - 29 Nov	Avianca
27 Oct - 01 Nov	Avianca
20 Oct - 31 Oct	Avianca
01 Oct - 08 Oct	Avianca
24 Oct - 31 Oct	Avianca
01 Oct - 22 Oct	Avianca
01 Oct - 31 Oct	Avianca
20 Oct - 28 Oct	Avianca
20 Oct - 09 Nov	Avianca
20 Oct - 03 Nov	Avianca
21 Oct - 02 Nov	Avianca
08 Oct - 30 Oct	Avianca
13 Oct - 19 Oct	Vueling Airlines
06 Oct - 20 Oct	Avianca

Also check the deals for one-way flights from Paris 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 Paris to Buenos Aires in October from 806€

Return flights