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

Return flights

25 Dec - 17 Jan	Scandinavian Airlines
24 Dec - 11 Jan	jetBlue
23 Dec - 17 Jan	Air Canada
26 Dec - 17 Jan	British Airways
15 Dec - 22 Dec	Air Canada
06 Dec - 27 Dec	Air Canada
01 Dec - 27 Dec	Air Canada
22 Dec - 08 Jan	Scandinavian Airlines
21 Dec - 10 Jan	jetBlue
20 Dec - 10 Jan	jetBlue
11 Dec - 03 Jan	jetBlue
04 Dec - 17 Dec	TAP
07 Dec - 24 Dec	TAP
09 Dec - 13 Dec	TAP
19 Dec - 10 Jan	Icelandair
07 Dec - 27 Dec	TAP
04 Dec - 27 Dec	TAP
27 Dec - 07 Jan	TAP
23 Dec - 27 Dec	TAP

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 $553

Return flights