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

Return flights

02 Mar - 09 Mar	TAP
09 Mar - 16 Mar	TAP
16 Mar - 25 Mar	TAP
08 Mar - 17 Mar	TAP
10 Mar - 17 Mar	TAP
24 Mar - 02 Apr	Aer Lingus
21 Mar - 12 Apr	Scandinavian Airlines
08 Mar - 17 Mar	SWISS	direct
10 Mar - 17 Mar	SWISS	direct
24 Mar - 02 Apr	SWISS	direct
22 Mar - 27 Mar	TAP
24 Mar - 04 Apr	Frontier Airlines
14 Mar - 22 Mar	British Airways
11 Mar - 13 Mar	Lufthansa
29 Mar - 05 Apr	Austrian Airlines
24 Mar - 04 Apr	SWISS	direct
27 Mar - 05 Apr	Frontier Airlines
21 Mar - 12 Apr	SWISS	direct
27 Mar - 04 Apr	Frontier Airlines
28 Mar - 04 Apr	SWISS	direct

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

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 March from 404€

Return flights