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

Return flights

06 Oct - 26 Oct	Air Europa
31 Oct - 18 Nov	easyJet
31 Oct - 08 Nov	TAP
05 Oct - 25 Oct	Lufthansa
24 Oct - 14 Nov	LATAM Airlines Group
05 Oct - 26 Oct	LATAM Airlines Group
08 Oct - 15 Oct	LATAM Airlines Group
24 Oct - 26 Oct	LATAM Airlines Group
31 Oct - 28 Nov	Iberia
30 Oct - 14 Nov	Iberia
10 Oct - 17 Oct	easyJet
13 Oct - 30 Oct	LATAM Airlines Group
31 Oct - 29 Nov	Iberia
06 Oct - 16 Nov	LATAM Airlines Group
31 Oct - 22 Nov	Iberia
10 Oct - 25 Oct	easyJet
02 Oct - 20 Oct	LATAM Airlines Group
04 Oct - 12 Oct	LATAM Airlines Group

Also check the deals for one-way flights from Zurich 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 Zurich to Buenos Aires in October from 1043€

Return flights