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

Return flights

14 Mar - 20 Mar	Scandinavian Airlines	direct
10 Mar - 17 Mar	Delta
24 Mar - 31 Mar	Delta
17 Mar - 24 Mar	Delta
31 Mar - 07 Apr	Delta
11 Mar - 18 Mar	Delta
25 Mar - 01 Apr	Delta
09 Mar - 16 Mar	Delta
18 Mar - 25 Mar	Delta
06 Mar - 13 Mar	Delta
07 Mar - 14 Mar	Delta
08 Mar - 15 Mar	Delta
29 Mar - 05 Apr	Delta
27 Mar - 03 Apr	Delta
30 Mar - 06 Apr	Delta
28 Mar - 04 Apr	Delta
31 Mar - 03 Apr	Delta
29 Mar - 01 Apr	Delta
30 Mar - 02 Apr	Delta
26 Mar - 02 Apr	Delta

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Chicago to Copenhagen in March from $457

Return flights