Cheapest return flights from Chicago to Zurich in September from $456

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

01 Sep - 15 Sep Scandinavian Airlines
15 Sep - 21 Sep Scandinavian Airlines
07 Sep - 13 Sep Scandinavian Airlines
04 Sep - 18 Sep Scandinavian Airlines
14 Sep - 20 Sep Scandinavian Airlines
04 Sep - 13 Sep Scandinavian Airlines
09 Sep - 08 Oct Turkish Airlines
09 Sep - 08 Oct SWISS direct
01 Sep - 08 Sep United direct
11 Sep - 18 Sep United direct
01 Sep - 15 Sep United direct
04 Sep - 18 Sep 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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