AirHint found the following cheapest return flights from Madrid (MAD) to Ljubljana (LJU) in October 2025 (see full year).

Return flights

04 Oct - 07 Oct	Brussels Airlines
16 Oct - 21 Oct	Brussels Airlines
08 Oct - 12 Oct	Wizz Air Malta
30 Oct - 03 Nov	Wizz Air Malta
17 Oct - 20 Oct	Wizz Air Malta
23 Oct - 30 Oct	Wizz Air Malta
20 Oct - 27 Oct	Wizz Air Malta
17 Oct - 19 Oct	Wizz Air Malta
31 Oct - 03 Nov	KLM
14 Oct - 17 Oct	Brussels Airlines
27 Oct - 01 Nov	Wizz Air Malta
06 Oct - 08 Oct	easyJet
05 Oct - 12 Oct	Wizz Air Malta

Also check the deals for one-way flights from Madrid to Ljubljana in October.

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 Madrid to Ljubljana in October from $210

Return flights