Cheapest return flights from Chicago to Vienna in December from 651€

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

Return flights

29 Dec - 15 Jan Icelandair
30 Dec - 18 Jan Lufthansa
28 Dec - 15 Jan Scandinavian Airlines
26 Dec - 14 Jan Frontier Airlines
26 Dec - 11 Jan Frontier Airlines
27 Dec - 10 Jan LOT
24 Dec - 09 Jan LOT
24 Dec - 07 Jan SWISS
27 Dec - 07 Jan LOT
27 Dec - 08 Jan LOT
25 Dec - 30 Dec LOT
24 Dec - 31 Dec SWISS
24 Dec - 31 Dec Austrian Airlines direct

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

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