Cheapest return flights from Chicago to Zurich in December from 762€

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

Return flights

12 Dec - 06 Jan Frontier Airlines
23 Dec - 17 Jan Frontier Airlines
14 Dec - 24 Dec Frontier Airlines
14 Dec - 31 Dec Frontier Airlines
22 Dec - 06 Jan Frontier Airlines
12 Dec - 04 Jan Frontier Airlines
04 Dec - 16 Dec Delta
19 Dec - 30 Dec Frontier Airlines
12 Dec - 27 Dec Delta
20 Dec - 31 Dec Frontier Airlines
22 Dec - 01 Jan Frontier Airlines
29 Dec - 06 Jan Delta
20 Dec - 04 Jan Frontier Airlines
05 Dec - 10 Dec Delta
20 Dec - 06 Jan Frontier Airlines
23 Dec - 28 Dec Delta
23 Dec - 30 Dec Delta
13 Dec - 03 Jan Delta
17 Dec - 03 Jan Delta

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

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