Cheapest return flights from Ljubljana to Istanbul in September from $212

Best time to book flights for Ljubljana (LJU) to Istanbul (IST) flights at AirHint

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

Return flights

08 Sep - 16 Sep Air Serbia
18 Sep - 24 Sep Air Serbia
18 Sep - 21 Sep Air Serbia
15 Sep - 18 Sep Air Serbia
20 Sep - 25 Sep Air Serbia
22 Sep - 28 Sep Air Serbia
01 Sep - 05 Sep Air Serbia
22 Sep - 28 Sep Turkish Airlines direct
20 Sep - 25 Sep Turkish Airlines direct
12 Sep - 15 Sep Turkish Airlines direct

Also check the deals for one-way flights from Ljubljana to Istanbul in September.

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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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