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

Return flights

09 Dec - 16 Dec	jetBlue
29 Dec - 24 Jan	Icelandair
05 Dec - 20 Dec	Icelandair
15 Dec - 31 Dec	jetBlue
06 Dec - 27 Dec	Air Canada
29 Dec - 05 Jan	Air Canada
22 Dec - 17 Jan	jetBlue
16 Dec - 27 Dec	jetBlue
18 Dec - 28 Dec	jetBlue
18 Dec - 25 Dec	Air Canada
24 Dec - 31 Dec	TAP
27 Dec - 03 Jan	Air Canada
18 Dec - 10 Jan	jetBlue
05 Dec - 27 Dec	Icelandair
23 Dec - 03 Jan	Air Canada
03 Dec - 27 Dec	Icelandair
22 Dec - 03 Jan	Air Canada
21 Dec - 04 Jan	Air Canada
22 Dec - 04 Jan	Air Canada
20 Dec - 03 Jan	Air Canada

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

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 December from $728

Return flights