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

Return flights

15 Dec - 18 Dec	Ryanair
23 Dec - 26 Dec	Ryanair
22 Dec - 26 Dec	Ryanair
19 Dec - 26 Dec	easyJet
22 Dec - 26 Dec	Luxair	direct
23 Dec - 28 Dec	Lufthansa
25 Dec - 28 Dec	Lufthansa
15 Dec - 19 Dec	Ryanair
18 Dec - 25 Dec	Lufthansa
19 Dec - 26 Dec	Luxair	direct
30 Dec - 02 Jan	Ryanair
29 Dec - 04 Jan	Ryanair
29 Dec - 02 Jan	Ryanair
30 Dec - 04 Jan	Ryanair
29 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 155€

Return flights