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

Return flights

31 Aug - 07 Sep	Eurowings
20 Aug - 27 Aug	KLM
25 Aug - 01 Sep	KLM
24 Aug - 14 Sep	Eurowings
28 Aug - 31 Aug	Air France
13 Aug - 18 Aug	Eurowings
21 Aug - 24 Aug	Wizz Air
26 Aug - 02 Sep	SWISS
20 Aug - 10 Sep	Lufthansa
18 Aug - 25 Aug	Lufthansa
18 Aug - 30 Aug	Lufthansa
14 Aug - 21 Aug	KLM
26 Aug - 28 Aug	Eurowings
17 Aug - 24 Aug	Lufthansa
12 Aug - 20 Aug	KLM
11 Aug - 04 Sep	Lufthansa

Also check the deals for one-way flights from Stuttgart to Oslo in August.

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 August from 178€

Return flights