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

Return flights

24 Jul - 27 Jul	Air Serbia
24 Jul - 28 Jul	Air Serbia
27 Jul - 03 Aug	Air Serbia
28 Jul - 04 Aug	Air Serbia
24 Jul - 02 Aug	Air Serbia
24 Jul - 29 Jul	Air Serbia
31 Jul - 07 Aug	Air Serbia
30 Jul - 07 Aug	Air Serbia
29 Jul - 01 Aug	Air Serbia
29 Jul - 02 Aug	Air Serbia
26 Jul - 30 Jul	Air Serbia
27 Jul - 30 Jul	Air Serbia
30 Jul - 31 Jul	LOT
31 Jul - 04 Aug	Lufthansa
28 Jul - 08 Aug	Air Serbia
31 Jul - 01 Aug	LOT
25 Jul - 27 Jul	KLM
30 Jul - 31 Jul	Lufthansa	direct
25 Jul - 28 Jul	Lufthansa
24 Jul - 27 Jul	Lufthansa	direct

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

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

Cheapest return flights from Frankfurt to Ljubljana in July from 230€

Return flights