AirHint found the following cheapest return flights from Los Angeles (LAX) to Zurich (ZRH) in September 2025 (see full year).

Return flights

02 Sep - 07 Sep	Norse Atlantic Airways
02 Sep - 09 Sep	Norse Atlantic Airways
18 Sep - 02 Oct	Turkish Airlines
15 Sep - 26 Sep	Condor
10 Sep - 04 Oct	Condor
22 Sep - 12 Oct	Norse Atlantic Airways (UK)
08 Sep - 04 Oct	Condor
23 Sep - 30 Sep	Condor
10 Sep - 24 Sep	Condor
14 Sep - 24 Sep	Condor
08 Sep - 22 Sep	Condor
08 Sep - 23 Sep	Norse Atlantic Airways (UK)
17 Sep - 24 Sep	Condor
07 Sep - 23 Sep	Norse Atlantic Airways (UK)
18 Sep - 11 Oct	Turkish Airlines
17 Sep - 11 Oct	Condor
17 Sep - 02 Oct	Condor
13 Sep - 04 Oct	Alaska Airlines
24 Sep - 01 Oct	United	direct
10 Sep - 04 Oct	SWISS	direct

Also check the deals for one-way flights from Los Angeles to Zurich 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 Los Angeles to Zurich in September from $578

Return flights