AirHint found the following cheapest one-way flights from Istanbul (IST) to Zagreb (ZAG) in December 2025 (see full year).

One-Way flights

09 Dec	Pegasus Airlines	direct
23 Dec	Pegasus Airlines	direct
16 Dec	Pegasus Airlines	direct
02 Dec	Pegasus Airlines	direct
11 Dec	Pegasus Airlines	direct
25 Dec	Pegasus Airlines	direct
27 Dec	Pegasus Airlines	direct
20 Dec	Pegasus Airlines	direct
13 Dec	Pegasus Airlines	direct
30 Dec	Pegasus Airlines	direct

Also check the deals for return flights from Istanbul to Zagreb in December.

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 one-way flights from Istanbul to Zagreb in December from $62

One-Way flights