Cheapest return flights from Washington to Zurich in September from 513€

AirHint found the following cheapest return flights from Washington (IAD) to Zurich (ZRH) in September 2026 (see full year).

Return flights

17 Sep - 24 Sep Turkish Airlines
02 Sep - 23 Sep Turkish Airlines
10 Sep - 18 Sep Turkish Airlines
10 Sep - 21 Sep Turkish Airlines
04 Sep - 14 Sep Turkish Airlines
23 Sep - 30 Sep Aer Lingus
02 Sep - 23 Sep SWISS direct
23 Sep - 30 Sep SWISS direct
10 Sep - 18 Sep SWISS direct
17 Sep - 24 Sep SWISS direct

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

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