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

Return flights

14 Dec - 15 Jan	Air Serbia
18 Dec - 22 Dec	Air France	direct
10 Dec - 05 Jan	LOT
10 Dec - 17 Dec	Air France
16 Dec - 21 Dec	Lufthansa
13 Dec - 16 Dec	LOT
31 Dec - 07 Jan	Lufthansa
11 Dec - 05 Jan	LOT
03 Dec - 10 Dec	LOT
18 Dec - 21 Dec	Air France	direct
17 Dec - 21 Dec	Lufthansa
06 Dec - 07 Dec	LOT
17 Dec - 22 Dec	Lufthansa
11 Dec - 14 Dec	Lufthansa
05 Dec - 23 Jan	Air Serbia
31 Dec - 05 Jan	Lufthansa
17 Dec - 05 Jan	Lufthansa
22 Dec - 11 Jan	Lufthansa
18 Dec - 05 Jan	Lufthansa
22 Dec - 01 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.

Book a cheap hotel in Ljubljana

Cheap car rent in Ljubljana

Cheapest return flights from Paris to Ljubljana in December from 162€

Return flights