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

Return flights

11 Dec - 18 Dec	Wizz Air
02 Dec - 06 Dec	Ryanair
17 Dec - 21 Dec	Wizz Air
15 Dec - 22 Dec	Wizz Air
01 Dec - 04 Dec	Ryanair
22 Dec - 28 Dec	Wizz Air
17 Dec - 24 Dec	Wizz Air
21 Dec - 28 Dec	Wizz Air
13 Dec - 15 Dec	Ryanair
20 Dec - 28 Dec	Ryanair
21 Dec - 11 Jan	Wizz Air
20 Dec - 05 Jan	Ryanair
20 Dec - 02 Jan	Ryanair
19 Dec - 03 Jan	Wizz Air
26 Dec - 12 Jan	Ryanair
26 Dec - 01 Jan	Ryanair
29 Dec - 03 Jan	Ryanair
26 Dec - 09 Jan	Ryanair
30 Dec - 18 Jan	Ryanair
26 Dec - 11 Jan	Ryanair

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 $159

Return flights