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

Return flights

25 May - 29 May	Brussels Airlines	direct
04 May - 08 May	Brussels Airlines	direct
04 May - 09 May	Brussels Airlines	direct
28 May - 09 Jun	Lufthansa
13 May - 17 May	Air Serbia
01 May - 03 May	LOT
14 May - 17 May	Wizz Air Malta
07 May - 10 May	LOT
21 May - 25 May	LOT
21 May - 25 May	Brussels Airlines	direct

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

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 Brussels to Ljubljana in May from 122€

Return flights