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

Return flights

21 Oct - 11 Nov	Air Canada
30 Oct - 11 Nov	Air Canada
06 Oct - 24 Oct	Avianca
07 Oct - 24 Oct	Avianca
06 Oct - 23 Oct	Avianca
08 Oct - 22 Oct	Avianca
08 Oct - 21 Oct	Avianca
01 Oct - 08 Oct	Avianca
01 Oct - 15 Oct	Avianca
22 Oct - 31 Oct	Avianca
06 Oct - 22 Oct	Avianca
27 Oct - 09 Nov	Avianca
06 Oct - 06 Nov	Avianca
08 Oct - 06 Nov	Avianca
29 Oct - 15 Nov	Avianca
27 Oct - 30 Nov	Avianca
31 Oct - 30 Nov	Avianca
24 Oct - 02 Nov	Avianca
16 Oct - 02 Nov	Air Canada
04 Oct - 19 Oct	Ryanair

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 $1051

Return flights