Cheapest return flights from Chicago to Copenhagen in December from $543

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

Return flights

31 Dec - 16 Jan Delta
30 Dec - 15 Jan Delta
31 Dec - 15 Jan Delta
29 Dec - 15 Jan Frontier Airlines
11 Dec - 18 Dec Southwest Airlines
04 Dec - 18 Dec Southwest Airlines
12 Dec - 18 Dec Southwest Airlines
07 Dec - 11 Dec Air France
01 Dec - 15 Dec Air France

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

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