Cheapest return flights from Chicago to Zurich in September from $496

Best time to book flights for Chicago (ORD) to Zurich (ZRH) flights at AirHint

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

Return flights

23 Sep - 30 Sep Scandinavian Airlines
10 Sep - 24 Sep Aer Lingus
07 Sep - 21 Sep Scandinavian Airlines
07 Sep - 14 Sep Icelandair
02 Sep - 09 Sep United direct
10 Sep - 24 Sep SWISS direct
17 Sep - 24 Sep Icelandair
23 Sep - 30 Sep United direct
07 Sep - 14 Sep United direct
22 Sep - 29 Sep United
27 Sep - 04 Oct United

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

Skyscanner

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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