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

Return flights

08 Dec - 12 Dec	Air Serbia
07 Dec - 14 Dec	SWISS	direct
14 Dec - 16 Dec	Air Serbia
12 Dec - 13 Dec	Air Serbia
11 Dec - 14 Dec	SWISS	direct
08 Dec - 14 Dec	Air Serbia
08 Dec - 09 Dec	Air Serbia
07 Dec - 09 Dec	Air Serbia
20 Dec - 23 Dec	Air Serbia
21 Dec - 23 Dec	Air Serbia
24 Dec - 12 Jan	Air Serbia
16 Dec - 06 Jan	SWISS
13 Dec - 10 Jan	Air Serbia
29 Dec - 06 Jan	Air Serbia
31 Dec - 06 Jan	Vueling Airlines
31 Dec - 05 Jan	Vueling Airlines
29 Dec - 05 Jan	Air Serbia
16 Dec - 06 Jan	SWISS	direct
24 Dec - 12 Jan	SWISS	direct
20 Dec - 04 Jan	Air Serbia

Also check the deals for one-way flights from Zurich to Ljubljana 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 Zurich to Ljubljana in December from 183€

Return flights