Cheapest return flights from Chicago to Copenhagen in September from 620€

Best time to book flights for Chicago (ORD) to Copenhagen (CPH) flights at AirHint

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

Return flights

18 Sep - 23 Sep Turkish Airlines
13 Sep - 22 Sep Turkish Airlines
01 Sep - 08 Sep United
11 Sep - 18 Sep United
21 Sep - 28 Sep United
12 Sep - 21 Sep Turkish Airlines
18 Sep - 23 Sep Scandinavian Airlines direct
01 Sep - 08 Sep Scandinavian Airlines direct
13 Sep - 22 Sep Scandinavian Airlines direct
11 Sep - 18 Sep Scandinavian Airlines direct

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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