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

Return flights

31 Dec - 10 Jan	easyJet
31 Dec - 07 Jan	easyJet
27 Dec - 01 Jan	KLM
29 Dec - 31 Dec	easyJet
31 Dec - 03 Jan	easyJet
28 Dec - 01 Jan	KLM
30 Dec - 07 Jan	Air Serbia
29 Dec - 30 Dec	LOT
27 Dec - 06 Jan	LOT
28 Dec - 30 Dec	LOT
27 Dec - 31 Dec	KLM
28 Dec - 31 Dec	KLM
28 Dec - 05 Jan	LOT
27 Dec - 02 Jan	KLM
29 Dec - 04 Jan	Lufthansa
28 Dec - 31 Dec	KLM	direct
29 Dec - 30 Dec	KLM	direct
28 Dec - 30 Dec	KLM	direct
27 Dec - 31 Dec	KLM	direct

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 235€

Return flights