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

Return flights

10 Dec - 08 Jan	Pegasus Airlines	direct
10 Dec - 29 Jan	Pegasus Airlines	direct
05 Dec - 08 Dec	Pegasus Airlines	direct
05 Dec - 09 Dec	Pegasus Airlines	direct
31 Dec - 08 Jan	AJet	direct
30 Dec - 02 Jan	Turkish Airlines	direct
06 Dec - 12 Dec	Aegean Airlines

Also check the deals for one-way flights from Istanbul to Zurich 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 return flights from Istanbul to Zurich in December from $111

Return flights