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

Return flights

28 Aug - 31 Aug	Aeroitalia
26 Aug - 28 Aug	Aeroitalia
26 Aug - 31 Aug	Aeroitalia
29 Aug - 31 Aug	Aeroitalia
26 Aug - 29 Aug	Aeroitalia
27 Aug - 29 Aug	Aeroitalia
29 Aug - 03 Sep	SWISS
27 Aug - 03 Sep	Aeroitalia
31 Aug - 19 Sep	Ryanair	direct
27 Aug - 02 Sep	Aeroitalia
31 Aug - 12 Sep	Ryanair	direct
25 Aug - 31 Aug	Lufthansa
25 Aug - 28 Aug	Lufthansa
28 Aug - 04 Sep	Aeroitalia
29 Aug - 19 Sep	Ryanair	direct
21 Aug - 28 Aug	Aeroitalia
31 Aug - 11 Sep	Ryanair	direct
30 Aug - 19 Sep	Ryanair	direct
26 Aug - 01 Sep	Aeroitalia
28 Aug - 31 Aug	Ryanair	direct

Also check the deals for one-way flights from Cagliari to Vienna in August.

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 August from $153

Return flights