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

Return flights

11 Dec - 13 Dec	KLM
05 Dec - 08 Dec	KLM
12 Dec - 19 Dec	KLM
12 Dec - 21 Dec	Lufthansa
22 Dec - 29 Dec	KLM
18 Dec - 25 Dec	Lufthansa
23 Dec - 26 Dec	KLM
15 Dec - 20 Dec	Lufthansa
31 Dec - 06 Jan	Lufthansa
22 Dec - 28 Dec	Lufthansa
31 Dec - 04 Jan	KLM
30 Dec - 02 Jan	Eurowings
27 Dec - 01 Jan	KLM
28 Dec - 02 Jan	Lufthansa
20 Dec - 04 Jan	KLM
29 Dec - 02 Jan	Eurowings
26 Dec - 04 Jan	KLM
30 Dec - 04 Jan	KLM
29 Dec - 03 Jan	KLM
22 Dec - 29 Dec	Scandinavian Airlines	direct

Also check the deals for one-way flights from Stuttgart 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 Stuttgart to Oslo in December from 182€

Return flights