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

Return flights

01 Dec - 16 Dec	SWISS	direct
03 Dec - 10 Dec	United	direct
16 Dec - 23 Dec	SWISS	direct
08 Dec - 15 Dec	United	direct
25 Dec - 08 Jan	Scandinavian Airlines
23 Dec - 30 Dec	United
13 Dec - 20 Dec	United	direct
25 Dec - 08 Jan	SWISS	direct
18 Dec - 25 Dec	United	direct
17 Dec - 24 Dec	Air Canada
20 Dec - 31 Dec	British Airways
22 Dec - 05 Jan	British Airways
17 Dec - 05 Jan	British Airways
17 Dec - 05 Jan	SWISS	direct
25 Dec - 04 Jan	Scandinavian Airlines
22 Dec - 05 Jan	SWISS	direct
20 Dec - 03 Jan	British Airways
18 Dec - 03 Jan	British Airways
25 Dec - 04 Jan	SWISS	direct

Also check the deals for one-way flights from San Francisco 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 San Francisco to Zurich in December from 545€

Return flights