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

Return flights

17 Dec - 21 Dec	Air France	direct
17 Dec - 20 Dec	Air France	direct
18 Dec - 22 Dec	Air France	direct
25 Dec - 07 Jan	Lufthansa
15 Dec - 22 Dec	Lufthansa
19 Dec - 22 Dec	Lufthansa
12 Dec - 15 Dec	LOT
14 Dec - 15 Jan	Lufthansa
19 Dec - 21 Dec	Lufthansa
13 Dec - 20 Dec	LOT
19 Dec - 23 Dec	Air Serbia
10 Dec - 05 Jan	LOT
13 Dec - 16 Dec	Lufthansa
17 Dec - 05 Jan	Lufthansa
11 Dec - 05 Jan	LOT
23 Dec - 11 Jan	Vueling Airlines
30 Dec - 02 Jan	SWISS
31 Dec - 02 Jan	Lufthansa
17 Dec - 05 Jan	Air France	direct
23 Dec - 08 Jan	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 172€

Return flights