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

Return flights

18 Nov - 13 Dec	Aer Lingus
19 Nov - 13 Dec	Aer Lingus
30 Nov - 04 Dec	TAP
30 Nov - 20 Dec	Turkish Airlines
28 Nov - 01 Dec	TAP
25 Nov - 20 Dec	Aer Lingus
27 Nov - 01 Dec	Frontier Airlines
24 Nov - 20 Dec	Aer Lingus
27 Nov - 20 Dec	Frontier Airlines
26 Nov - 20 Dec	Aer Lingus
25 Nov - 28 Nov	TAP
20 Nov - 27 Nov	Frontier Airlines
22 Nov - 28 Nov	Frontier Airlines
25 Nov - 28 Nov	SWISS	direct
22 Nov - 28 Nov	SWISS	direct
20 Nov - 27 Nov	SWISS	direct

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

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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Cheapest return flights from Washington to Zurich in November from 605€

Return flights