Cheapest return flights from Chicago to Copenhagen in March from $544

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

Return flights

03 Mar - 10 Mar Delta
27 Mar - 04 Apr Frontier Airlines
19 Mar - 26 Mar Frontier Airlines
18 Mar - 26 Mar Southwest Airlines
22 Mar - 29 Mar Frontier Airlines
23 Mar - 28 Mar Porter Airlines (Canada) Ltd
20 Mar - 29 Mar Frontier Airlines
21 Mar - 30 Mar Southwest Airlines
28 Mar - 04 Apr Delta

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

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