Cheapest return flights from Istanbul to Ljubljana in September from 188€

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

Return flights

16 Sep - 19 Sep Air Serbia
11 Sep - 14 Sep AJet
20 Sep - 25 Sep Pegasus Airlines
24 Sep - 28 Sep Pegasus Airlines
17 Sep - 23 Sep Pegasus Airlines
01 Sep - 05 Sep Turkish Airlines direct
26 Sep - 28 Sep Air Serbia
11 Sep - 14 Sep Turkish Airlines direct
03 Sep - 10 Sep AJet
17 Sep - 23 Sep Turkish Airlines direct

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

Skyscanner

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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