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

Return flights

21 Jul - 25 Aug	Icelandair
25 Jul - 18 Aug	ITA Airways
31 Jul - 20 Aug	United	direct
21 Jul - 25 Aug	SWISS	direct
21 Jul - 30 Jul	Icelandair
22 Jul - 30 Jul	TAP
20 Jul - 29 Jul	ITA Airways
21 Jul - 03 Aug	Icelandair
24 Jul - 04 Aug	TAP
17 Jul - 29 Jul	Scandinavian Airlines
24 Jul - 03 Aug	ITA Airways
20 Jul - 29 Jul	SWISS	direct
22 Jul - 30 Jul	SWISS	direct
21 Jul - 30 Jul	SWISS	direct
25 Jul - 18 Aug	United	direct
21 Jul - 03 Aug	SWISS	direct
24 Jul - 03 Aug	United	direct
16 Jul - 28 Jul	SWISS	direct
17 Jul - 29 Jul	SWISS	direct
19 Jul - 26 Jul	SWISS	direct

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

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.

Book a cheap hotel in Zurich

Cheap car rent in Zurich

Cheapest return flights from Washington to Zurich in July from $691

Return flights