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

Return flights

18 Dec - 21 Dec	Ryanair
13 Dec - 15 Dec	Ryanair
20 Dec - 11 Jan	Ryanair
24 Dec - 31 Dec	Ryanair
11 Dec - 12 Dec	Ryanair
11 Dec - 15 Dec	Ryanair
15 Dec - 20 Dec	Ryanair
11 Dec - 14 Dec	Ryanair
05 Dec - 12 Dec	Ryanair
07 Dec - 12 Dec	Ryanair
29 Dec - 02 Jan	Austrian Airlines
12 Dec - 14 Dec	Ryanair
22 Dec - 03 Jan	Austrian Airlines
27 Dec - 02 Jan	Lufthansa
29 Dec - 03 Jan	Austrian Airlines
30 Dec - 03 Jan	Austrian Airlines
31 Dec - 06 Jan	Ryanair
26 Dec - 02 Jan	Austrian Airlines
29 Dec - 05 Jan	Austrian Airlines
29 Dec - 06 Jan	Austrian Airlines

Also check the deals for one-way flights from Zagreb to Warsaw 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 Zagreb to Warsaw in December from $148

Return flights