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

Return flights

16 Oct - 22 Oct	Air Serbia
14 Oct - 19 Oct	Air Serbia
14 Oct - 20 Oct	Air Serbia
09 Oct - 13 Oct	Air Serbia
16 Oct - 21 Oct	Air Serbia
30 Oct - 15 Nov	Air Serbia
30 Oct - 03 Nov	Air Serbia
15 Oct - 19 Oct	Air Serbia
16 Oct - 23 Oct	Air Serbia
14 Oct - 18 Oct	Air Serbia
10 Oct - 14 Oct	Air Serbia
28 Oct - 04 Nov	Wizz Air Malta
07 Oct - 13 Oct	Wizz Air Malta
31 Oct - 04 Nov	Wizz Air Malta
31 Oct - 03 Nov	Aegean Airlines	direct

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 152€

Return flights