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

Return flights

12 Dec - 17 Dec	Air Serbia
05 Dec - 12 Dec	Air Serbia
06 Dec - 09 Dec	Vueling Airlines
12 Dec - 15 Dec	Air Serbia
06 Dec - 13 Dec	SWISS	direct
05 Dec - 08 Dec	Air Serbia
17 Dec - 20 Dec	SWISS	direct
05 Dec - 07 Dec	Air Serbia
11 Dec - 14 Dec	Air Serbia
08 Dec - 12 Dec	SWISS
26 Dec - 01 Jan	Air Serbia
26 Dec - 01 Jan	SWISS	direct
26 Dec - 02 Jan	Air Serbia
28 Dec - 15 Jan	Vueling Airlines
25 Dec - 11 Jan	Vueling Airlines
23 Dec - 11 Jan	Vueling Airlines
29 Dec - 02 Jan	LOT
25 Dec - 01 Jan	Vueling Airlines
23 Dec - 01 Jan	Vueling Airlines
26 Dec - 02 Jan	SWISS	direct

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.

Book a cheap hotel in Ljubljana

Cheap car rent in Ljubljana

Cheapest return flights from Zurich to Ljubljana in December from 183€

Return flights