Cheapest return flights from Istanbul to Ljubljana in September from $221

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

Return flights

18 Sep - 24 Sep Pegasus Airlines
17 Sep - 24 Sep AJet
03 Sep - 08 Sep Turkish Airlines
10 Sep - 17 Sep AJet
09 Sep - 16 Sep Air Serbia
29 Sep - 05 Oct Air Serbia
10 Sep - 15 Sep Turkish Airlines direct
09 Sep - 16 Sep Turkish Airlines direct
17 Sep - 24 Sep Turkish Airlines direct
03 Sep - 08 Sep Turkish Airlines direct
10 Sep - 17 Sep Turkish Airlines direct
29 Sep - 05 Oct 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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