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
30 Sep - 07 Oct	Ryanair
24 Sep - 28 Sep	Ryanair
17 Sep - 25 Sep	Ryanair
19 Sep - 22 Sep	Aeroitalia
18 Sep - 21 Sep	Ryanair
26 Sep - 28 Sep	Ryanair
05 Sep - 07 Sep	Aeroitalia
14 Sep - 21 Sep	Ryanair
02 Sep - 07 Sep	Aeroitalia
30 Sep - 17 Oct	Vueling Airlines
03 Sep - 07 Sep	Vueling Airlines
23 Sep - 07 Oct	Vueling Airlines
17 Sep - 07 Oct	Vueling Airlines
24 Sep - 07 Oct	Vueling Airlines
30 Sep - 16 Oct	Vueling Airlines
23 Sep - 12 Oct	Vueling Airlines
24 Sep - 12 Oct	Vueling Airlines
23 Sep - 05 Oct	Vueling Airlines
28 Sep - 17 Oct	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 $168

Return flights