AirHint found the following cheapest return flights from Zagreb (ZAG) to Istanbul (SAW) in April 2026 (see full year).

Return flights

13 Apr - 16 Apr	Pegasus Airlines	direct
02 Apr - 06 Apr	Pegasus Airlines	direct
02 Apr - 07 Apr	Pegasus Airlines	direct
16 Apr - 19 Apr	Pegasus Airlines
08 Apr - 12 Apr	Ryanair
16 Apr - 19 Apr	Pegasus Airlines	direct
04 Apr - 12 Apr	Ryanair
15 Apr - 20 Apr	Ryanair
10 Apr - 13 Apr	Ryanair
20 Apr - 29 Apr	Pegasus Airlines
28 Apr - 02 May	Pegasus Airlines
27 Apr - 01 May	Ryanair
30 Apr - 03 May	Pegasus Airlines	direct
26 Apr - 01 May	Pegasus Airlines
26 Apr - 02 May	Pegasus Airlines

Also check the deals for one-way flights from Zagreb 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 Zagreb to Istanbul in April from 114€

Return flights