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

Return flights

30 Sep - 07 Oct	easyJet
02 Sep - 07 Sep	Condor
19 Sep - 21 Sep	Scandinavian Airlines
24 Sep - 24 Sep	Vueling Airlines
02 Sep - 06 Sep	KLM
13 Sep - 14 Sep	SWISS
26 Sep - 29 Sep	Air France
06 Sep - 09 Sep	Air France
15 Sep - 19 Sep	British Airways
01 Sep - 08 Sep	KLM
01 Sep - 08 Sep	SWISS	direct
30 Sep - 07 Oct	SWISS	direct

Also check the deals for one-way flights from Zurich to Luxemburg 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 Zurich to Luxemburg in September from 203€

Return flights