Cheapest return flights from Brussels to Ljubljana in September from $199

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

Return flights

18 Sep - 21 Sep Wizz Air
17 Sep - 26 Sep Brussels Airlines direct
18 Sep - 20 Sep Brussels Airlines direct
12 Sep - 19 Sep Brussels Airlines direct
10 Sep - 17 Sep Brussels Airlines direct
10 Sep - 16 Sep Brussels Airlines direct
07 Sep - 13 Sep LOT
20 Sep - 28 Sep LOT
19 Sep - 28 Sep LOT
20 Sep - 22 Sep LOT
27 Sep - 05 Oct LOT
06 Sep - 12 Oct LOT
29 Sep - 06 Oct Brussels Airlines direct
06 Sep - 12 Oct Brussels Airlines direct
27 Sep - 05 Oct Brussels Airlines direct

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

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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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