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

Return flights

17 Oct - 21 Oct	Air Serbia
20 Oct - 25 Oct	Air Serbia
10 Oct - 14 Oct	Air Serbia
03 Oct - 07 Oct	Air Serbia
04 Oct - 07 Oct	Air Serbia
07 Oct - 11 Oct	Air Serbia
27 Oct - 08 Nov	Air Serbia
15 Oct - 22 Oct	Wizz Air
27 Oct - 01 Nov	Air Serbia
30 Oct - 01 Nov	Air Serbia
29 Oct - 01 Nov	Air Serbia
29 Oct - 05 Nov	Air Serbia
26 Oct - 01 Nov	Air Serbia
15 Oct - 01 Nov	Air Serbia
31 Oct - 05 Nov	Air Serbia
10 Oct - 12 Oct	Air Serbia
07 Oct - 12 Oct	Air Serbia
09 Oct - 12 Oct	Air Serbia
29 Oct - 03 Nov	Air Serbia
31 Oct - 03 Nov	Air Serbia

Also check the deals for one-way flights from Ljubljana to Istanbul 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 Istanbul in October from 154€

Return flights