Cheapest return flights from Chicago to Copenhagen in September from 401€

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
10 Sep - 16 Sep Icelandair
03 Sep - 10 Sep Icelandair
05 Sep - 12 Sep Icelandair
11 Sep - 18 Sep Icelandair
12 Sep - 26 Sep Icelandair
09 Sep - 16 Sep Icelandair
27 Sep - 02 Oct Icelandair
24 Sep - 01 Oct Icelandair
19 Sep - 26 Sep Icelandair
17 Sep - 24 Sep Icelandair
09 Sep - 15 Sep Icelandair
30 Sep - 07 Oct United
27 Sep - 04 Oct United
27 Sep - 04 Oct Scandinavian Airlines direct
27 Sep - 02 Oct Scandinavian Airlines direct

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

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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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