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

Return flights

25 Aug - 01 Sep	Aeroitalia
31 Aug - 07 Sep	Aeroitalia
25 Aug - 29 Aug	Aeroitalia
18 Aug - 24 Aug	Aeroitalia
28 Aug - 01 Sep	Ryanair
07 Aug - 14 Aug	Ryanair
18 Aug - 31 Aug	Aeroitalia
26 Aug - 28 Aug	Ryanair
27 Aug - 31 Aug	Aeroitalia
12 Aug - 19 Aug	Ryanair
22 Aug - 27 Aug	Aeroitalia
12 Aug - 16 Aug	Aeroitalia
07 Aug - 13 Aug	Ryanair
28 Aug - 06 Sep	Ryanair

Also check the deals for one-way flights from Cagliari to Istanbul 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 Istanbul in August from 214€

Return flights