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

Return flights

03 Dec - 05 Dec	Air Serbia
12 Dec - 14 Dec	Air Serbia
09 Dec - 12 Dec	Air Serbia
08 Dec - 12 Dec	Air Serbia
04 Dec - 08 Dec	Air Serbia
10 Dec - 14 Dec	Air Serbia
20 Dec - 03 Jan	Air Serbia
24 Dec - 02 Jan	SWISS	direct
05 Dec - 09 Dec	SWISS	direct
23 Dec - 30 Dec	SWISS	direct
07 Dec - 16 Dec	SWISS	direct
07 Dec - 15 Dec	SWISS	direct
20 Dec - 02 Jan	SWISS	direct
20 Dec - 03 Jan	SWISS	direct
30 Dec - 18 Jan	Air Serbia
27 Dec - 03 Jan	Air Serbia
30 Dec - 03 Jan	Air Serbia
29 Dec - 05 Jan	Air Serbia
29 Dec - 02 Jan	Air Serbia
30 Dec - 15 Jan	Vueling Airlines

Also check the deals for one-way flights from Ljubljana to Zurich 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 Zurich in December from $182

Return flights