Cheapest return flights from Chicago to Zurich in September from 413€

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

Return flights

30 Sep - 25 Oct Scandinavian Airlines
29 Sep - 25 Oct Scandinavian Airlines
16 Sep - 23 Sep Scandinavian Airlines
16 Sep - 22 Sep Scandinavian Airlines
22 Sep - 25 Sep Scandinavian Airlines
03 Sep - 17 Sep Turkish Airlines
05 Sep - 19 Sep Scandinavian Airlines
10 Sep - 17 Sep Icelandair
15 Sep - 29 Sep Turkish Airlines
24 Sep - 01 Oct Icelandair
02 Sep - 15 Sep Aer Lingus
26 Sep - 18 Oct Turkish Airlines
01 Sep - 15 Sep Turkish Airlines
07 Sep - 10 Sep Scandinavian Airlines
10 Sep - 04 Oct Turkish Airlines
28 Sep - 05 Oct Icelandair
24 Sep - 01 Oct United direct
30 Sep - 25 Oct SWISS direct
28 Sep - 05 Oct United direct
29 Sep - 25 Oct SWISS 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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