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

Return flights

29 Dec - 23 Jan	Scandinavian Airlines
08 Dec - 12 Dec	Scandinavian Airlines
26 Dec - 17 Jan	Scandinavian Airlines
24 Dec - 17 Jan	Scandinavian Airlines
27 Dec - 18 Jan	Scandinavian Airlines
09 Dec - 03 Jan	Frontier Airlines
26 Dec - 04 Jan	TAP
23 Dec - 17 Jan	Hawaiian Airlines
11 Dec - 10 Jan	Frontier Airlines
11 Dec - 25 Dec	Condor
11 Dec - 14 Dec	Air Canada
25 Dec - 08 Jan	Scandinavian Airlines
14 Dec - 03 Jan	Hawaiian Airlines
11 Dec - 18 Dec	ITA Airways
13 Dec - 22 Dec	Frontier Airlines
03 Dec - 27 Dec	TAP
11 Dec - 12 Dec	Air Canada
19 Dec - 24 Dec	TAP
26 Dec - 30 Dec	Scandinavian Airlines
23 Dec - 29 Dec	Aer Lingus

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 $512

Return flights