Cheapest return flights from Ljubljana to Istanbul in September from $208

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

12 Sep - 16 Sep Air Serbia
05 Sep - 09 Sep Air Serbia
25 Sep - 04 Oct Air Serbia
24 Sep - 27 Sep Wizz Air
18 Sep - 22 Sep Lufthansa
05 Sep - 08 Sep Turkish Airlines direct
11 Sep - 15 Sep Lufthansa
07 Sep - 29 Sep Air Serbia
15 Sep - 21 Sep Air Serbia
25 Sep - 28 Sep Air Serbia
13 Sep - 14 Sep Turkish Airlines direct
25 Sep - 04 Oct 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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