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

AirHint found the following cheapest return flights from Chicago (MDW) to Copenhagen (CPH) in January 2026 (see full year).

Return flights

13 Jan - 20 Jan Delta
27 Jan - 24 Feb Delta
30 Jan - 03 Feb Frontier Airlines
15 Jan - 22 Jan Frontier Airlines
01 Jan - 16 Jan Delta
01 Jan - 15 Jan Delta
01 Jan - 10 Jan Frontier Airlines
12 Jan - 25 Jan Southwest Airlines
17 Jan - 21 Jan Frontier Airlines
03 Jan - 16 Jan Frontier Airlines
03 Jan - 17 Jan Frontier Airlines
13 Jan - 06 Feb KLM
03 Jan - 15 Jan Frontier Airlines

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

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