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

Return flights

11 Dec - 15 Dec	KLM
10 Dec - 15 Dec	KLM
13 Dec - 15 Jan	KLM
08 Dec - 15 Dec	KLM
18 Dec - 07 Jan	Lufthansa
18 Dec - 06 Jan	Lufthansa
18 Dec - 12 Jan	Lufthansa
15 Dec - 17 Dec	Air Serbia
05 Dec - 09 Dec	Air Serbia
16 Dec - 23 Dec	Lufthansa
12 Dec - 14 Dec	SWISS
10 Dec - 13 Dec	SWISS
05 Dec - 08 Dec	SWISS
17 Dec - 23 Dec	SWISS
31 Dec - 08 Jan	SWISS
24 Dec - 08 Jan	Air Serbia
30 Dec - 06 Jan	SWISS
29 Dec - 05 Jan	Lufthansa
18 Dec - 05 Jan	Lufthansa
01 Dec - 02 Jan	LOT

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 198€

Return flights