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

Return flights

19 Dec - 08 Jan	Air France
05 Dec - 07 Dec	Lufthansa
01 Dec - 16 Jan	SWISS
23 Dec - 08 Jan	Lufthansa
06 Dec - 07 Dec	LOT
27 Dec - 03 Jan	LOT
26 Dec - 03 Jan	LOT
15 Dec - 19 Dec	easyJet
21 Dec - 08 Jan	Air France
20 Dec - 08 Jan	Lufthansa
20 Dec - 07 Jan	Lufthansa
11 Dec - 27 Dec	Lufthansa
21 Dec - 07 Jan	Lufthansa
19 Dec - 27 Dec	Lufthansa
22 Dec - 08 Jan	Air France
24 Dec - 26 Dec	Lufthansa
23 Dec - 26 Dec	Lufthansa
23 Dec - 25 Dec	Lufthansa
07 Dec - 25 Dec	Vueling Airlines
21 Dec - 25 Dec	Vueling Airlines

Also check the deals for one-way flights from Paris 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 Paris to Ljubljana in December from 183€

Return flights