Cheapest return flights from Chicago to Vienna in December from $786

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

Return flights

29 Dec - 24 Jan Frontier Airlines
11 Dec - 18 Dec Frontier Airlines
09 Dec - 16 Dec Air France
27 Dec - 17 Jan Frontier Airlines
27 Dec - 02 Jan WestJet
15 Dec - 10 Jan Air France
21 Dec - 29 Dec Delta
29 Dec - 04 Jan Delta
24 Dec - 27 Dec Delta

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

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