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

Return flights

24 Jan - 31 Jan	Scandinavian Airlines
27 Jan - 01 Feb	TAP
20 Jan - 25 Jan	TAP
27 Jan - 01 Feb	SWISS	direct
20 Jan - 25 Jan	SWISS	direct
01 Jan - 10 Jan	SWISS
01 Jan - 10 Jan	SWISS	direct
24 Jan - 31 Jan	SWISS	direct

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

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 January from $492

Return flights