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

Return flights

05 Sep - 26 Sep	Delta
05 Sep - 08 Sep	Delta
18 Sep - 24 Oct	British Airways
01 Sep - 15 Oct	Air France
29 Sep - 06 Oct	Delta
13 Sep - 30 Sep	British Airways
08 Sep - 13 Sep	Delta
03 Sep - 07 Sep	Ethiopian Airlines
01 Sep - 09 Sep	Air France
30 Sep - 26 Oct	LATAM Airlines Group
30 Sep - 07 Oct	LATAM Airlines Group
01 Sep - 07 Sep	Air France
26 Sep - 12 Oct	TAP
28 Sep - 26 Oct	British Airways
26 Sep - 11 Oct	Delta
19 Sep - 17 Oct	Air France
27 Sep - 05 Oct	Ethiopian Airlines
12 Sep - 22 Sep	SWISS
28 Sep - 28 Sep	Air France
01 Sep - 10 Sep	Lufthansa

Also check the deals for one-way flights from Zurich to Buenos Aires in September.

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 September from $907

Return flights