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

Return flights

17 Oct - 21 Oct	Air Serbia
21 Oct - 27 Oct	Air Serbia
23 Oct - 29 Oct	Air Serbia
20 Oct - 26 Oct	Air Serbia
13 Oct - 19 Oct	Air Serbia
03 Oct - 12 Oct	Air Serbia
23 Oct - 26 Oct	Air Serbia
23 Oct - 27 Oct	Air Serbia
02 Oct - 05 Oct	Air Serbia
02 Oct - 06 Oct	Air Serbia
27 Oct - 02 Nov	Aegean Airlines
28 Oct - 01 Nov	Wizz Air Malta
31 Oct - 03 Nov	Wizz Air Malta
25 Oct - 01 Nov	Wizz Air Malta

Also check the deals for one-way flights from Athens 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 Athens to Ljubljana in October from 142€

Return flights