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

Return flights

05 Dec - 07 Dec	Air Serbia
04 Dec - 08 Dec	Air Serbia
06 Dec - 07 Dec	Air Serbia
12 Dec - 14 Dec	Air Serbia
04 Dec - 07 Dec	Air Serbia
03 Dec - 05 Dec	Air Serbia
20 Dec - 03 Jan	Air Serbia
20 Dec - 03 Jan	SWISS	direct
30 Dec - 02 Jan	Air Serbia
06 Dec - 07 Dec	SWISS	direct
12 Dec - 14 Dec	SWISS	direct
05 Dec - 07 Dec	SWISS	direct
04 Dec - 08 Dec	SWISS	direct
30 Dec - 02 Jan	SWISS	direct
18 Dec - 04 Jan	Vueling Airlines
30 Dec - 04 Jan	Vueling Airlines
21 Dec - 04 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 157€

Return flights