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

Return flights

06 May - 11 May	Brussels Airlines	direct
16 May - 23 May	Brussels Airlines	direct
07 May - 11 May	SWISS
15 May - 22 May	Brussels Airlines	direct
07 May - 11 May	Brussels Airlines	direct
05 May - 08 May	SWISS
22 May - 26 May	Lufthansa
14 May - 21 May	SWISS
05 May - 08 May	Brussels Airlines	direct
09 May - 17 May	Brussels Airlines
24 May - 07 Jun	Vueling Airlines

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 148€

Return flights