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

Return flights

05 Sep - 08 Sep	Air Serbia
26 Sep - 29 Sep	SWISS	direct
05 Sep - 08 Sep	SWISS	direct
05 Sep - 07 Sep	SWISS	direct
04 Sep - 08 Sep	SWISS	direct
19 Sep - 21 Sep	SWISS	direct
23 Sep - 01 Oct	SWISS	direct
11 Sep - 15 Sep	Air Serbia
12 Sep - 16 Sep	Air Serbia
29 Sep - 04 Oct	SWISS
27 Sep - 02 Oct	SWISS	direct
23 Sep - 02 Oct	SWISS	direct
29 Sep - 04 Oct	SWISS	direct
11 Sep - 15 Sep	SWISS	direct
29 Sep - 03 Oct	Air Serbia
27 Sep - 03 Oct	Brussels Airlines
27 Sep - 03 Oct	SWISS	direct
29 Sep - 03 Oct	SWISS	direct
12 Sep - 16 Sep	SWISS	direct

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

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 Ljubljana to Zurich in September from 182€

Return flights