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

Return flights

10 Sep - 17 Sep	Scandinavian Airlines
12 Sep - 26 Sep	Scandinavian Airlines
23 Sep - 30 Sep	Scandinavian Airlines
22 Sep - 21 Oct	Scandinavian Airlines
09 Sep - 23 Sep	Spirit Airlines
21 Sep - 30 Sep	Spirit Airlines
04 Sep - 11 Sep	United
07 Sep - 14 Sep	United
01 Sep - 08 Sep	United
28 Sep - 05 Oct	United
18 Sep - 25 Sep	United
13 Sep - 20 Sep	United

Also check the deals for one-way flights from Atlanta 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 Atlanta to Zurich in September from $488

Return flights