Cheapest return flights from Zagreb to Istanbul in December from $196

Best time to book flights for Zagreb (ZAG) to Istanbul (IST) flights at AirHint

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

Return flights

01 Dec - 04 Dec Air Serbia
25 Dec - 08 Jan Pegasus Airlines direct
13 Dec - 28 Dec Turkish Airlines direct
01 Dec - 04 Dec Turkish Airlines direct
18 Dec - 23 Dec Air Serbia
20 Dec - 31 Dec LOT
18 Dec - 23 Dec Pegasus Airlines direct
22 Dec - 28 Dec Air Serbia
26 Dec - 30 Dec LOT
22 Dec - 28 Dec Turkish Airlines direct
20 Dec - 31 Dec Turkish Airlines direct
25 Dec - 02 Jan Pegasus Airlines
26 Dec - 02 Jan LOT
26 Dec - 07 Jan LOT
27 Dec - 06 Jan LOT
27 Dec - 04 Jan LOT
29 Dec - 05 Jan Turkish Airlines
24 Dec - 03 Jan LOT
24 Dec - 03 Jan Turkish Airlines direct
26 Dec - 02 Jan Turkish Airlines direct

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

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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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