Cheapest return flights from Chicago to Copenhagen in September from $487

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

Return flights

10 Sep - 24 Sep Icelandair
05 Sep - 21 Sep Icelandair
28 Sep - 05 Oct Icelandair
02 Sep - 09 Sep Icelandair
04 Sep - 18 Sep Icelandair
18 Sep - 25 Sep Icelandair
23 Sep - 30 Sep Icelandair
08 Sep - 15 Sep Scandinavian Airlines direct
08 Sep - 14 Sep Scandinavian Airlines direct
28 Sep - 05 Oct Scandinavian Airlines direct
04 Sep - 18 Sep Scandinavian Airlines direct
13 Sep - 20 Sep United
29 Sep - 02 Oct Delta
30 Sep - 03 Oct Delta
28 Sep - 01 Oct Delta

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

Skyscanner

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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