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

Return flights

24 Sep - 28 Sep	Ryanair
08 Sep - 30 Sep	Vueling Airlines
08 Sep - 15 Sep	Vueling Airlines
03 Sep - 24 Sep	Ryanair
08 Sep - 24 Sep	Ryanair
15 Sep - 18 Sep	Ryanair
10 Sep - 14 Sep	Ryanair
25 Sep - 28 Sep	Ryanair
09 Sep - 12 Sep	Vueling Airlines
08 Sep - 10 Sep	Vueling Airlines
24 Sep - 12 Oct	Vueling Airlines
24 Sep - 10 Oct	Vueling Airlines
29 Sep - 19 Oct	Vueling Airlines
22 Sep - 12 Oct	Vueling Airlines
27 Sep - 17 Oct	Vueling Airlines
29 Sep - 17 Oct	Vueling Airlines
27 Sep - 12 Oct	Vueling Airlines
29 Sep - 12 Oct	Vueling Airlines
22 Sep - 10 Oct	Vueling Airlines
27 Sep - 10 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 144€

Return flights