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

Return flights

08 Dec - 12 Dec	Air Serbia
10 Dec - 12 Dec	Wizz Air
06 Dec - 06 Jan	easyJet
12 Dec - 15 Dec	Wizz Air
05 Dec - 05 Jan	Air Serbia
27 Dec - 31 Dec	Air Serbia
23 Dec - 29 Dec	easyJet
11 Dec - 12 Dec	Air Serbia
20 Dec - 29 Dec	easyJet
14 Dec - 15 Dec	Air Serbia
15 Dec - 17 Dec	Air Serbia
12 Dec - 17 Dec	Wizz Air
29 Dec - 02 Jan	Air Serbia

Also check the deals for one-way flights from Ljubljana to Charleroi 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 Ljubljana to Charleroi in December from $229

Return flights