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

Return flights

30 Sep - 02 Oct	Ryanair
25 Sep - 02 Oct	Ryanair
22 Sep - 25 Sep	Ryanair
24 Sep - 28 Sep	Ryanair
21 Sep - 25 Sep	Ryanair
23 Sep - 25 Sep	Ryanair
25 Sep - 28 Sep	Ryanair
30 Sep - 07 Oct	Ryanair
30 Sep - 03 Oct	Ryanair
19 Sep - 21 Sep	Ryanair
21 Sep - 28 Sep	Ryanair
26 Sep - 28 Sep	Ryanair
19 Sep - 22 Sep	Ryanair
25 Sep - 27 Sep	Ryanair
28 Sep - 02 Oct	Ryanair
24 Sep - 07 Oct	Vueling Airlines
24 Sep - 08 Oct	Vueling Airlines
24 Sep - 01 Oct	Vueling Airlines
17 Sep - 07 Oct	Vueling Airlines
28 Sep - 05 Oct	Ryanair

Also check the deals for one-way flights from Cagliari to Dublin 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 Dublin in September from 104€

Return flights