Cheapest return flights from Frankfurt to Ljubljana in September from 175€

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

Return flights

25 Sep - 29 Sep Wizz Air Malta
11 Sep - 15 Sep Wizz Air Malta
16 Sep - 19 Sep Air Serbia
18 Sep - 23 Sep Air Serbia
18 Sep - 26 Sep Air Serbia
18 Sep - 29 Sep Air Serbia
04 Sep - 08 Sep Ryanair
26 Sep - 29 Sep Air Serbia
13 Sep - 17 Sep Air Serbia
22 Sep - 26 Sep Air Serbia
30 Sep - 10 Oct LOT

Also check the deals for one-way flights from Frankfurt 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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