Cheapest return flights from Zagreb to Istanbul in May from $126

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

Return flights

09 May - 11 May Ryanair
05 May - 12 May Ryanair
14 May - 21 May Pegasus Airlines direct
10 May - 14 May Pegasus Airlines direct
11 May - 21 May Pegasus Airlines direct
11 May - 14 May Pegasus Airlines direct
26 May - 31 May Pegasus Airlines direct
17 May - 21 May Pegasus Airlines direct
28 May - 31 May Pegasus Airlines direct
11 May - 18 May Pegasus Airlines direct
25 May - 01 Jun Pegasus Airlines direct
27 May - 01 Jun Ryanair
31 May - 07 Jun Air Serbia
31 May - 07 Jun Pegasus Airlines direct
27 May - 01 Jun Turkish Airlines direct

Also check the deals for one-way flights from Zagreb to Istanbul in May.

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