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

Return flights

08 Dec - 12 Dec	easyJet
09 Dec - 13 Dec	easyJet
06 Dec - 08 Dec	Wizz Air
04 Dec - 07 Dec	Wizz Air
15 Dec - 21 Dec	Iberia
07 Dec - 10 Dec	Iberia
13 Dec - 19 Dec	Iberia
28 Dec - 01 Jan	Air Serbia
17 Dec - 21 Dec	Air Europa
26 Dec - 30 Dec	Wizz Air Malta
19 Dec - 23 Dec	Iberia
31 Dec - 01 Jan	easyJet
29 Dec - 02 Jan	Brussels Airlines
26 Dec - 01 Jan	Ryanair
28 Dec - 02 Jan	Air Serbia

Also check the deals for one-way flights from Madrid 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 Madrid to Ljubljana in December from 149€

Return flights