Cheapest return flights from Chicago to Zurich in September from $546

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

Return flights

10 Sep - 24 Sep Turkish Airlines
09 Sep - 23 Sep Scandinavian Airlines
10 Sep - 17 Sep Turkish Airlines
16 Sep - 07 Oct Aer Lingus
16 Sep - 08 Oct American Airlines
28 Sep - 12 Oct Turkish Airlines
27 Sep - 03 Oct Scandinavian Airlines
18 Sep - 02 Oct Aer Lingus
11 Sep - 25 Sep Aer Lingus
24 Sep - 01 Oct Icelandair
16 Sep - 30 Sep British Airways
24 Sep - 18 Oct Turkish Airlines
09 Sep - 29 Sep Condor
25 Sep - 18 Oct Scandinavian Airlines
04 Sep - 18 Sep Icelandair
02 Sep - 14 Sep Icelandair
26 Sep - 03 Oct Icelandair
07 Sep - 21 Sep Frontier Airlines
21 Sep - 28 Sep TAP
26 Sep - 18 Oct TAP

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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