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

Return flights

15 Sep - 22 Sep	Ryanair
19 Sep - 21 Sep	Aeroitalia
24 Sep - 02 Oct	Ryanair
12 Sep - 18 Sep	Aeroitalia
26 Sep - 28 Sep	Ryanair
05 Sep - 07 Sep	Aeroitalia
28 Sep - 05 Oct	Ryanair
23 Sep - 03 Oct	Vueling Airlines
02 Sep - 09 Sep	Ryanair
02 Sep - 07 Sep	Aeroitalia
13 Sep - 20 Sep	Aeroitalia
30 Sep - 17 Oct	Vueling Airlines
30 Sep - 03 Oct	Vueling Airlines
08 Sep - 12 Sep	Ryanair
24 Sep - 03 Oct	Vueling Airlines
30 Sep - 16 Oct	Vueling Airlines
28 Sep - 17 Oct	Vueling Airlines
28 Sep - 03 Oct	Vueling Airlines
23 Sep - 05 Oct	Vueling Airlines
08 Sep - 23 Sep	Vueling Airlines

Also check the deals for one-way flights from Cagliari 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 Cagliari to Copenhagen in September from 150€

Return flights