Cheapest return flights from Chicago to Copenhagen in September from 486€

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

Return flights

10 Sep - 16 Sep Virgin Atlantic
09 Sep - 16 Sep Virgin Atlantic
27 Sep - 02 Oct Virgin Atlantic
25 Sep - 28 Sep Frontier Airlines
01 Sep - 07 Sep Frontier Airlines
02 Sep - 08 Sep Virgin Atlantic
08 Sep - 15 Sep Virgin Atlantic
09 Sep - 15 Sep Virgin Atlantic
13 Sep - 16 Sep 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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