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

Return flights

07 Dec - 10 Dec	Air France	direct
13 Dec - 15 Dec	Air France	direct
12 Dec - 15 Dec	Air France	direct
11 Dec - 15 Dec	Air France	direct
11 Dec - 13 Dec	Air France	direct
10 Dec - 13 Dec	Air France	direct
02 Dec - 06 Dec	LOT
10 Dec - 17 Dec	Air France
13 Dec - 17 Dec	Air France
12 Dec - 17 Dec	Air France
31 Dec - 07 Jan	Lufthansa
27 Dec - 02 Jan	Lufthansa
29 Dec - 02 Jan	Lufthansa
21 Dec - 02 Jan	Lufthansa
30 Dec - 02 Jan	Lufthansa
31 Dec - 05 Jan	Lufthansa
26 Dec - 04 Jan	LOT
27 Dec - 01 Jan	Lufthansa
26 Dec - 01 Jan	LOT
18 Dec - 03 Jan	Lufthansa

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 $167

Return flights