AirHint found the following cheapest return flights from Ljubljana (LJU) to Brussels (BRU) in January 2026 (see full year).

Return flights

29 Jan - 05 Feb	Wizz Air
27 Jan - 30 Jan	Wizz Air
25 Jan - 30 Jan	Wizz Air
27 Jan - 31 Jan	Wizz Air
28 Jan - 30 Jan	Air Serbia
30 Jan - 02 Feb	Air Serbia
30 Jan - 02 Feb	Brussels Airlines	direct
26 Jan - 30 Jan	Pegasus Airlines
19 Jan - 21 Jan	Air Serbia
30 Jan - 07 Feb	Air Serbia
26 Jan - 01 Feb	Pegasus Airlines
31 Jan - 03 Feb	Wizz Air
19 Jan - 26 Jan	Air Serbia
28 Jan - 01 Feb	Air Serbia
16 Jan - 19 Jan	Brussels Airlines	direct
23 Jan - 26 Jan	Brussels Airlines	direct
23 Jan - 26 Jan	easyJet
28 Jan - 01 Feb	Brussels Airlines	direct

Also check the deals for one-way flights from Ljubljana to Brussels in January.

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 Brussels in January from $197

Return flights