Cheapest return flights from Brussels to Ljubljana in September from $225

AirHint found the following cheapest return flights from Brussels (BRU) to Ljubljana (LJU) in September 2025 (see full year).

Return flights

28 Sep - 03 Oct Brussels Airlines direct
24 Sep - 27 Sep Brussels Airlines direct
27 Sep - 30 Sep Brussels Airlines direct
24 Sep - 30 Sep Brussels Airlines direct
28 Sep - 04 Oct Brussels Airlines direct
27 Sep - 04 Oct Brussels Airlines direct
22 Sep - 27 Sep Brussels Airlines direct
10 Sep - 11 Sep Air Serbia
29 Sep - 03 Oct Brussels Airlines direct
23 Sep - 27 Sep Brussels Airlines direct
01 Sep - 02 Sep Air Serbia
27 Sep - 29 Sep LOT
19 Sep - 25 Sep LOT
26 Sep - 30 Sep LOT
25 Sep - 02 Oct Brussels Airlines direct
29 Sep - 01 Oct Brussels Airlines direct

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

Skyscanner

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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