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

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

Return flights

25 Sep - 28 Sep Air Serbia
27 Sep - 28 Sep Air Serbia
13 Sep - 21 Sep Air Serbia
08 Sep - 16 Sep SWISS
16 Sep - 20 Sep SWISS
06 Sep - 14 Sep Air Serbia
26 Sep - 28 Sep Air Serbia
04 Sep - 07 Sep Air Serbia
01 Sep - 05 Sep Wizz Air Malta
19 Sep - 21 Sep Air Serbia

Also check the deals for one-way flights from Rome to Ljubljana 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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