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

Return flights

25 Sep - 03 Oct	Wizz Air
10 Sep - 23 Sep	Eurowings
20 Sep - 23 Sep	Eurowings
15 Sep - 20 Sep	Wizz Air Malta
18 Sep - 23 Sep	Wizz Air
30 Sep - 03 Oct	Wizz Air
25 Sep - 01 Oct	Wizz Air
26 Sep - 01 Oct	Wizz Air Malta
30 Sep - 02 Oct	Eurowings
29 Sep - 01 Oct	Air Serbia
24 Sep - 15 Oct	Wizz Air Malta
15 Sep - 29 Sep	Wizz Air Malta
24 Sep - 29 Sep	Wizz Air Malta
29 Sep - 03 Oct	Air Serbia
10 Sep - 20 Sep	Eurowings
15 Sep - 24 Sep	Wizz Air Malta
23 Sep - 25 Sep	Eurowings
17 Sep - 24 Sep	Air Serbia
30 Sep - 04 Oct	SWISS
28 Sep - 03 Oct	SWISS

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

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 Stuttgart to Copenhagen in September from 159€

Return flights