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

Return flights

30 Sep - 01 Oct	Ryanair
05 Sep - 08 Sep	Lufthansa
30 Sep - 01 Oct	Luxair	direct
05 Sep - 07 Sep	Lufthansa
14 Sep - 18 Sep	Lufthansa
05 Sep - 08 Sep	Luxair	direct
14 Sep - 18 Sep	Luxair	direct
05 Sep - 07 Sep	Luxair	direct

Also check the deals for one-way flights from Luxemburg to Geneva 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 Luxemburg to Geneva in September from 137€

Return flights