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

Return flights

05 Dec - 07 Dec	KLM
12 Dec - 14 Dec	Lufthansa
10 Dec - 12 Dec	easyJet
04 Dec - 08 Dec	easyJet
13 Dec - 14 Dec	SWISS
10 Dec - 11 Dec	easyJet
14 Dec - 15 Dec	KLM
18 Dec - 04 Jan	KLM
30 Dec - 04 Jan	SWISS
30 Dec - 04 Jan	Luxair	direct
18 Dec - 04 Jan	Luxair	direct
19 Dec - 04 Jan	easyJet
07 Dec - 09 Dec	easyJet
10 Dec - 12 Dec	Luxair	direct
23 Dec - 26 Dec	SWISS
20 Dec - 04 Jan	easyJet

Also check the deals for one-way flights from Geneva to Luxemburg in December.

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 Geneva to Luxemburg in December from $188

Return flights