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

Return flights

12 Dec - 15 Dec	Air France	direct
08 Dec - 11 Dec	Air France	direct
13 Dec - 15 Dec	Air France	direct
08 Dec - 12 Dec	Air France	direct
11 Dec - 15 Dec	Air France	direct
06 Dec - 10 Dec	Air France	direct
17 Dec - 20 Dec	Air France	direct
17 Dec - 12 Jan	Air France	direct
14 Dec - 20 Dec	Air France	direct
14 Dec - 17 Dec	Air France	direct
05 Dec - 08 Dec	LOT
16 Dec - 11 Jan	Lufthansa
31 Dec - 07 Jan	LOT
16 Dec - 05 Jan	LOT
31 Dec - 05 Jan	LOT
18 Dec - 15 Jan	Lufthansa
23 Dec - 05 Jan	LOT
31 Dec - 04 Jan	LOT
30 Dec - 04 Jan	LOT
15 Dec - 04 Jan	LOT

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 143€

Return flights