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

Return flights

17 Jan - 20 Jan	Pegasus Airlines	direct
15 Jan - 18 Jan	Wizz Air UK
20 Jan - 24 Jan	Pegasus Airlines
08 Jan - 13 Jan	Pegasus Airlines	direct
20 Jan - 24 Jan	Pegasus Airlines	direct
27 Jan - 03 Feb	Turkish Airlines	direct
11 Jan - 14 Jan	Air Serbia

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

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 Istanbul to Zagreb in January from 118€

Return flights