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

Return flights

05 Dec - 08 Dec	Lufthansa
10 Dec - 15 Dec	Lufthansa
12 Dec - 15 Dec	Lufthansa
10 Dec - 16 Dec	SWISS
03 Dec - 06 Dec	SWISS
04 Dec - 06 Dec	SWISS
07 Dec - 13 Dec	SWISS
24 Dec - 02 Jan	LOT	direct
19 Dec - 02 Jan	LOT	direct
05 Dec - 07 Dec	Lufthansa
19 Dec - 21 Dec	LOT	direct
24 Dec - 28 Dec	LOT	direct
23 Dec - 04 Jan	LOT	direct
22 Dec - 04 Jan	LOT	direct
26 Dec - 02 Jan	LOT	direct
26 Dec - 03 Jan	LOT	direct
28 Dec - 02 Jan	LOT	direct
30 Dec - 02 Jan	LOT	direct
25 Dec - 02 Jan	Air Serbia
31 Dec - 01 Jan	LOT

Also check the deals for one-way flights from Ljubljana 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 Ljubljana to Warsaw in December from $198

Return flights