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

Return flights

23 Sep - 25 Sep	easyJet
24 Sep - 25 Sep	easyJet
24 Sep - 28 Sep	KLM
17 Sep - 18 Sep	easyJet
18 Sep - 18 Sep	easyJet
16 Sep - 16 Sep	easyJet
29 Sep - 03 Oct	KLM
16 Sep - 22 Sep	KLM
26 Sep - 30 Sep	Air France
27 Sep - 06 Oct	Air France
10 Sep - 11 Sep	easyJet
12 Sep - 16 Sep	Ethiopian Airlines
27 Sep - 06 Oct	SWISS	direct
29 Sep - 03 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 215€

Return flights