Cheapest return flights from Philadelphia to Zurich in December from 393€

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

Return flights

03 Dec - 10 Dec Delta
03 Dec - 08 Dec British Airways
29 Dec - 16 Jan United
29 Dec - 24 Jan Air Canada
15 Dec - 10 Jan Frontier Airlines
15 Dec - 17 Jan Air Canada
15 Dec - 18 Jan Air Canada
26 Dec - 31 Dec Air Canada
18 Dec - 10 Jan Air Canada
27 Dec - 01 Jan Frontier Airlines
28 Dec - 03 Jan Frontier Airlines

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

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