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

Return flights

23 Dec - 30 Dec	Ryanair
22 Dec - 28 Dec	Ryanair
05 Dec - 07 Dec	Ryanair
29 Dec - 02 Jan	Ryanair
05 Dec - 09 Dec	Ryanair
29 Dec - 05 Jan	Ryanair
05 Dec - 09 Dec	LOT	direct
19 Dec - 02 Jan	Ryanair
23 Dec - 30 Dec	LOT	direct
30 Dec - 03 Jan	Austrian Airlines
22 Dec - 28 Dec	LOT	direct
08 Dec - 05 Jan	LOT	direct
30 Dec - 03 Jan	LOT	direct

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 $164

Return flights