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

Return flights

05 Dec - 12 Dec	Lufthansa
05 Dec - 12 Dec	Luxair	direct
09 Dec - 11 Dec	Luxair	direct
08 Dec - 10 Dec	Luxair	direct
19 Dec - 26 Dec	Luxair	direct
22 Dec - 26 Dec	Luxair	direct
22 Dec - 01 Jan	Luxair	direct
08 Dec - 28 Dec	Luxair	direct
28 Dec - 16 Jan	Lufthansa
27 Dec - 15 Jan	SWISS
23 Dec - 27 Dec	SWISS
09 Dec - 10 Dec	Luxair	direct
21 Dec - 31 Dec	Lufthansa
28 Dec - 16 Jan	Luxair	direct

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 134€

Return flights