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

Return flights

02 Dec - 09 Dec	Wizz Air
02 Dec - 08 Dec	Wizz Air
04 Dec - 09 Dec	Wizz Air
03 Dec - 08 Dec	Wizz Air
09 Dec - 11 Dec	Wizz Air
01 Dec - 05 Dec	Wizz Air
11 Dec - 18 Dec	Wizz Air
02 Dec - 06 Dec	Wizz Air
08 Dec - 11 Dec	Wizz Air
04 Dec - 10 Dec	Wizz Air
17 Dec - 01 Jan	Wizz Air
17 Dec - 08 Jan	Wizz Air
18 Dec - 08 Jan	Wizz Air Malta
26 Dec - 17 Jan	Wizz Air
11 Dec - 01 Jan	Turkish Airlines	direct
20 Dec - 08 Jan	LOT
18 Dec - 07 Jan	Wizz Air
20 Dec - 11 Jan	Ryanair
31 Dec - 01 Jan	Wizz Air
23 Dec - 01 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 $134

Return flights