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

Return flights

18 Sep - 30 Sep	Ryanair	direct
18 Sep - 03 Oct	Ryanair	direct
18 Sep - 26 Sep	Ryanair	direct
18 Sep - 19 Sep	Ryanair	direct
18 Sep - 09 Oct	Ryanair	direct
18 Sep - 07 Oct	Ryanair	direct
25 Sep - 30 Sep	Ryanair
18 Sep - 27 Sep	Ryanair	direct
18 Sep - 04 Oct	Ryanair	direct
29 Sep - 03 Oct	easyJet
30 Sep - 04 Oct	Ryanair
23 Sep - 30 Sep	Ryanair
30 Sep - 10 Oct	Ryanair	direct
30 Sep - 16 Oct	Ryanair	direct
30 Sep - 03 Oct	Ryanair	direct
18 Sep - 28 Sep	Ryanair	direct
26 Sep - 27 Sep	easyJet
18 Sep - 02 Oct	Ryanair	direct
23 Sep - 30 Sep	Ryanair	direct
11 Sep - 30 Sep	Ryanair	direct

Also check the deals for one-way flights from Cagliari to Vienna 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 Vienna in September from $108

Return flights