Cheapest return flights from Washington (IAD) to Zurich (ZRH), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
23 Sep 30 Sep Scandinavian Airlines
07 Sep 11 Sep Scandinavian Airlines
20 Sep 28 Sep Scandinavian Airlines
22 Sep 28 Sep Icelandair
11 Sep 21 Sep Aer Lingus
23 Sep 30 Sep SWISS
Direct Flight
03 Sep 07 Sep Aer Lingus
03 Sep 13 Sep Aer Lingus
22 Sep 28 Sep SWISS
Direct Flight
30 Sep 04 Oct SWISS
Direct Flight
02 Sep 11 Sep SWISS
Direct Flight
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deals for one-way flights from Washington to Zurich in September.

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Updated Jul 5, 2026.

About these fares

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