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

Return flights

30 Oct - 03 Nov	Wizz Air
31 Oct - 03 Nov	Wizz Air Malta
30 Oct - 02 Nov	Wizz Air
02 Oct - 11 Oct	SWISS
22 Oct - 08 Nov	Brussels Airlines
29 Oct - 05 Nov	Brussels Airlines
10 Oct - 15 Oct	Air Serbia
08 Oct - 12 Oct	Air Serbia
03 Oct - 11 Oct	SWISS
02 Oct - 06 Oct	SWISS
17 Oct - 26 Oct	Air Serbia
17 Oct - 31 Oct	Air Serbia
17 Oct - 21 Oct	Air Serbia
15 Oct - 18 Oct	Brussels Airlines
22 Oct - 09 Nov	Brussels Airlines
02 Oct - 07 Oct	SWISS
31 Oct - 04 Nov	Lufthansa
31 Oct - 02 Nov	Lufthansa
31 Oct - 05 Nov	Lufthansa
28 Oct - 04 Nov	Wizz Air

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 143€

Return flights