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

Return flights

09 Dec - 18 Dec	Wizz Air
18 Dec - 08 Jan	Wizz Air
17 Dec - 08 Jan	Wizz Air
09 Dec - 11 Dec	Ryanair
09 Dec - 15 Dec	Ryanair
14 Dec - 25 Dec	Ryanair
04 Dec - 06 Dec	Ryanair
15 Dec - 18 Dec	Wizz Air
02 Dec - 08 Dec	Ryanair
18 Dec - 07 Jan	Wizz Air
01 Dec - 04 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
01 Dec - 03 Dec	Ryanair
26 Dec - 08 Jan	Wizz Air
16 Dec - 03 Jan	Wizz Air
18 Dec - 03 Jan	Wizz Air
06 Dec - 01 Jan	Ryanair
28 Dec - 01 Jan	Ryanair
28 Dec - 08 Jan	Ryanair
30 Dec - 01 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 130€

Return flights