Cheapest return flights from Austin to Zurich in December from 478€

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

Return flights

02 Dec - 07 Dec United
11 Dec - 20 Dec Frontier Airlines
19 Dec - 10 Jan Spirit Airlines
17 Dec - 23 Dec United
22 Dec - 27 Dec Spirit Airlines
14 Dec - 03 Jan Frontier Airlines
28 Dec - 04 Jan Frontier Airlines
20 Dec - 31 Dec Frontier Airlines
20 Dec - 03 Jan Frontier Airlines

Also check the deals for one-way flights from Austin to Zurich in December.

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