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

Return flights

19 Dec - 24 Dec	KLM
19 Dec - 04 Jan	KLM
18 Dec - 22 Dec	KLM
23 Dec - 07 Jan	KLM
23 Dec - 02 Jan	KLM
23 Dec - 07 Jan	KLM	direct
31 Dec - 04 Jan	Lufthansa
18 Dec - 04 Jan	KLM
29 Dec - 04 Jan	Lufthansa
31 Dec - 03 Jan	Lufthansa
29 Dec - 02 Jan	Lufthansa
29 Dec - 03 Jan	Lufthansa
12 Dec - 14 Dec	LOT
08 Dec - 15 Dec	Air Serbia
12 Dec - 15 Dec	Air Serbia
20 Dec - 29 Dec	Lufthansa
23 Dec - 30 Dec	SWISS
24 Dec - 28 Dec	KLM	direct
24 Dec - 30 Dec	KLM	direct
09 Dec - 14 Dec	LOT

Also check the deals for one-way flights from Ljubljana to Amsterdam 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 Amsterdam in December from 186€

Return flights