AirHint found the following cheapest return flights from Zurich (ZRH) to Ljubljana (LJU) in August 2025 (see full year).

Return flights

22 Aug - 24 Aug	Air Serbia
20 Aug - 22 Aug	Air Serbia
26 Aug - 31 Aug	Air Serbia
28 Aug - 31 Aug	Air Serbia
29 Aug - 01 Sep	Air Serbia
28 Aug - 01 Sep	Air Serbia
30 Aug - 01 Sep	Air Serbia
30 Aug - 31 Aug	Air Serbia
07 Aug - 12 Aug	Air Serbia
09 Aug - 12 Aug	Air Serbia
21 Aug - 24 Aug	Air Serbia
29 Aug - 01 Sep	SWISS	direct
28 Aug - 01 Sep	SWISS	direct
30 Aug - 01 Sep	SWISS	direct
15 Aug - 18 Aug	Air Serbia
02 Aug - 05 Aug	SWISS	direct

Also check the deals for one-way flights from Zurich to Ljubljana in August.

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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Cheapest return flights from Zurich to Ljubljana in August from 207€

Return flights