Cheapest return flights from Washington to Zurich in September from $655

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

Return flights

03 Sep - 08 Sep jetBlue
06 Sep - 09 Sep Scandinavian Airlines
03 Sep - 07 Sep jetBlue
27 Sep - 05 Oct jetBlue
14 Sep - 28 Sep Delta
12 Sep - 21 Sep Delta
14 Sep - 08 Oct Icelandair
10 Sep - 18 Sep Icelandair
22 Sep - 06 Oct Icelandair
14 Sep - 30 Sep TAP

Also check the deals for one-way flights from Washington 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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