Cheapest return flights from Chicago to Zurich in September from $449

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

Return flights

21 Sep - 04 Oct Scandinavian Airlines
10 Sep - 15 Oct Scandinavian Airlines
03 Sep - 17 Sep Scandinavian Airlines
11 Sep - 14 Sep TAP
19 Sep - 26 Sep TAP
03 Sep - 10 Sep Icelandair
07 Sep - 14 Sep Icelandair
10 Sep - 17 Sep Icelandair
03 Sep - 10 Sep United direct
10 Sep - 17 Sep United direct
03 Sep - 17 Sep SWISS direct
10 Sep - 15 Oct SWISS direct
28 Sep - 05 Oct Icelandair
16 Sep - 23 Sep United
25 Sep - 02 Oct United direct
28 Sep - 05 Oct United direct

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

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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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