AirHint found the following cheapest return flights from Warsaw (WAW) to Istanbul (SAW) in December 2025 (see full year).

Return flights

04 Dec - 07 Dec	Pegasus Airlines
08 Dec - 10 Dec	Ryanair
20 Dec - 10 Jan	Ryanair
08 Dec - 14 Dec	Ryanair
14 Dec - 21 Dec	Wizz Air
04 Dec - 11 Dec	Ryanair
04 Dec - 08 Dec	Pegasus Airlines
20 Dec - 02 Jan	Ryanair
31 Dec - 03 Jan	Corendon Airlines
30 Dec - 03 Jan	Wizz Air
30 Dec - 02 Jan	Wizz Air
22 Dec - 02 Jan	Ryanair
30 Dec - 05 Jan	Wizz Air
31 Dec - 05 Jan	Wizz Air
26 Dec - 05 Jan	Pegasus Airlines
30 Dec - 04 Jan	Wizz Air

Also check the deals for one-way flights from Warsaw to Istanbul 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 Warsaw to Istanbul in December from $215

Return flights