Cheapest return flights from Frankfurt to Ljubljana in September from 159€

AirHint found the following cheapest return flights from Frankfurt (FRA) to Ljubljana (LJU) in September 2026 (see full year).

Return flights

02 Sep - 08 Sep Lufthansa direct
01 Sep - 08 Sep Lufthansa direct
01 Sep - 09 Sep Lufthansa direct
18 Sep - 25 Sep Air Serbia
07 Sep - 14 Sep Air Serbia
04 Sep - 10 Sep Lufthansa direct
18 Sep - 25 Sep Lufthansa direct
01 Sep - 10 Sep Lufthansa direct
12 Sep - 25 Sep Lufthansa direct
18 Sep - 23 Sep Air Serbia

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

Powered by

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.

Book a cheap hotel in Ljubljana

Cheap car rent in Ljubljana

Feel free to contact us with any feedback or request another flight research.