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

Return flights

25 Oct - 20 Nov	Delta
22 Oct - 24 Nov	Delta
31 Oct - 17 Nov	Air Canada
31 Oct - 11 Nov	Delta
31 Oct - 14 Nov	Air Canada
07 Oct - 23 Oct	Air Canada
08 Oct - 15 Oct	Delta
13 Oct - 20 Oct	LATAM Airlines Group
14 Oct - 23 Oct	Delta
24 Oct - 31 Oct	Delta
06 Oct - 20 Oct	Delta
10 Oct - 26 Oct	Delta
17 Oct - 27 Oct	Delta
07 Oct - 14 Oct	LATAM Airlines Group
03 Oct - 24 Oct	Delta
11 Oct - 02 Nov	Air Europa

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 803€

Return flights