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

Return flights

28 Apr - 05 May	Delta
01 Apr - 08 Apr	Delta
21 Apr - 28 Apr	Delta
14 Apr - 21 Apr	Delta
07 Apr - 14 Apr	Delta
15 Apr - 22 Apr	Delta
27 Apr - 04 May	Delta
08 Apr - 15 Apr	Delta
10 Apr - 17 Apr	Delta
13 Apr - 20 Apr	Delta
20 Apr - 27 Apr	Delta
12 Apr - 19 Apr	Delta
24 Apr - 01 May	Delta
26 Apr - 03 May	Delta
30 Apr - 03 May	Delta
25 Apr - 02 May	Delta
28 Apr - 01 May	Delta
29 Apr - 02 May	Delta

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

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 April from $599

Return flights