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

Return flights

11 Dec - 18 Dec	transavia	direct
19 Dec - 17 Jan	KLM	direct
19 Dec - 23 Dec	KLM	direct
22 Dec - 14 Jan	KLM	direct
18 Dec - 02 Jan	Lufthansa
26 Dec - 04 Jan	Air Serbia
04 Dec - 07 Dec	Air Serbia
19 Dec - 04 Jan	Air Serbia
26 Dec - 04 Jan	KLM	direct
17 Dec - 04 Jan	KLM	direct
26 Dec - 02 Jan	Air Serbia
11 Dec - 21 Dec	Vueling Airlines
26 Dec - 02 Jan	KLM	direct
14 Dec - 21 Dec	Vueling Airlines
19 Dec - 04 Jan	KLM	direct
02 Dec - 06 Dec	Air Serbia
16 Dec - 21 Dec	Vueling Airlines
16 Dec - 18 Dec	Vueling Airlines
18 Dec - 21 Dec	Vueling Airlines

Also check the deals for one-way flights from Amsterdam 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 Amsterdam to Ljubljana in December from $192

Return flights