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

Return flights

30 Oct - 02 Nov	Air Serbia
29 Oct - 03 Nov	Air Serbia
29 Oct - 02 Nov	Air Serbia
27 Oct - 02 Nov	Air Serbia
17 Oct - 24 Oct	Air Serbia
31 Oct - 03 Nov	Air Serbia
17 Oct - 21 Oct	Air Serbia
28 Oct - 02 Nov	Air Serbia
24 Oct - 30 Oct	Air Serbia
08 Oct - 15 Oct	easyJet
14 Oct - 21 Oct	easyJet
13 Oct - 17 Oct	Air Serbia
03 Oct - 05 Oct	Air Serbia
02 Oct - 05 Oct	Air Serbia
07 Oct - 10 Oct	easyJet
16 Oct - 19 Oct	Air Serbia
12 Oct - 30 Nov	Air Serbia

Also check the deals for one-way flights from Ljubljana to Madrid 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 Ljubljana to Madrid in October from $232

Return flights