Cheapest return flights from Seattle to Vienna in December from $511

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

Return flights

09 Dec - 15 Dec Austrian Airlines
11 Dec - 15 Dec United
12 Dec - 17 Dec Lufthansa
29 Dec - 04 Jan Austrian Airlines
23 Dec - 29 Dec Air Canada
23 Dec - 30 Dec Air Canada
22 Dec - 30 Dec Air Canada
20 Dec - 10 Jan Scandinavian Airlines
19 Dec - 10 Jan Sun Country Airlines
21 Dec - 28 Dec Scandinavian Airlines

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

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