Cheapest return flights from San Francisco to Vienna in December from $795

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

Return flights

29 Dec - 12 Jan Frontier Airlines
11 Dec - 25 Dec ITA Airways
23 Dec - 09 Jan Austrian Airlines
13 Dec - 19 Dec Scandinavian Airlines
23 Dec - 26 Dec Air Canada
26 Dec - 01 Jan Austrian Airlines
21 Dec - 05 Jan Frontier Airlines
24 Dec - 03 Jan KLM
18 Dec - 30 Dec Alaska Airlines
26 Dec - 03 Jan Austrian Airlines
19 Dec - 28 Dec Alaska Airlines

Also check the deals for one-way flights from San Francisco to Vienna in December.

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