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

Return flights

15 Dec - 15 Jan	Wizz Air
02 Dec - 10 Dec	Ryanair
02 Dec - 04 Dec	Ryanair
05 Dec - 08 Dec	Ryanair
08 Dec - 16 Dec	Wizz Air
15 Dec - 18 Dec	Wizz Air
13 Dec - 13 Jan	Wizz Air
15 Dec - 11 Jan	Wizz Air
02 Dec - 06 Dec	Ryanair
13 Dec - 15 Dec	Wizz Air
06 Dec - 13 Dec	Ryanair
03 Dec - 09 Dec	Wizz Air
02 Dec - 09 Dec	Ryanair
18 Dec - 01 Jan	Wizz Air
17 Dec - 01 Jan	Wizz Air
12 Dec - 12 Jan	Ryanair
17 Dec - 07 Jan	Wizz Air
14 Dec - 14 Jan	Ryanair
22 Dec - 01 Jan	Wizz Air
24 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 117€

Return flights