AirHint found the following cheapest return flights from Cagliari (CAG) to Istanbul (IST) in April 2026 (see full year).

Return flights

12 Apr - 15 Apr	Ryanair
18 Apr - 25 Apr	Ryanair
09 Apr - 14 Apr	Ryanair
20 Apr - 24 Apr	Ryanair
12 Apr - 18 Apr	Ryanair
22 Apr - 28 Apr	easyJet
11 Apr - 18 Apr	Ryanair
15 Apr - 19 Apr	Lufthansa
02 Apr - 09 Apr	Ryanair
16 Apr - 22 Apr	Ryanair
28 Apr - 02 May	Ryanair
28 Apr - 03 May	Ryanair
30 Apr - 04 May	Aeroitalia
26 Apr - 01 May	Ryanair
29 Apr - 02 May	Ryanair
27 Apr - 03 May	Ryanair
29 Apr - 03 May	Ryanair
30 Apr - 03 May	Ryanair

Also check the deals for one-way flights from Cagliari to Istanbul in April.

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 April from 145€

Return flights