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

Return flights

23 Dec - 09 Jan	Lufthansa
29 Dec - 05 Jan	Ryanair
24 Dec - 31 Dec	Lufthansa
30 Dec - 01 Jan	Ryanair
26 Dec - 31 Dec	KLM
22 Dec - 29 Dec	Ryanair
21 Dec - 27 Dec	Lufthansa
26 Dec - 29 Dec	Ryanair
20 Dec - 27 Dec	Lufthansa
21 Dec - 24 Dec	KLM
21 Dec - 23 Dec	Lufthansa
20 Dec - 23 Dec	Lufthansa
21 Dec - 28 Dec	Lufthansa
30 Dec - 02 Jan	Ryanair
26 Dec - 02 Jan	easyJet
26 Dec - 02 Jan	Luxair	direct

Also check the deals for one-way flights from Luxemburg to Oslo 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 Luxemburg to Oslo in December from $209

Return flights