AirHint found the following cheapest return flights from Stuttgart (STR) to Olbia (OLB) in September 2025 (see full year).

Return flights

30 Sep - 15 Oct	Eurowings
24 Sep - 03 Oct	Eurowings
29 Sep - 09 Oct	Eurowings
30 Sep - 08 Oct	Lufthansa
30 Sep - 14 Oct	Lufthansa
29 Sep - 08 Oct	Lufthansa
27 Sep - 08 Oct	SWISS
27 Sep - 02 Oct	Eurowings
30 Sep - 16 Oct	Eurowings
30 Sep - 15 Oct	Eurowings	direct
04 Sep - 18 Sep	SWISS
11 Sep - 18 Sep	SWISS
15 Sep - 18 Sep	Eurowings
09 Sep - 18 Sep	SWISS
12 Sep - 17 Sep	Vueling Airlines
13 Sep - 17 Sep	Lufthansa
18 Sep - 18 Sep	Lufthansa
18 Sep - 23 Sep	Eurowings
03 Sep - 05 Sep	Austrian Airlines
07 Sep - 18 Sep	Lufthansa

Also check the deals for one-way flights from Stuttgart to Olbia in September.

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 Olbia in September from 147€

Return flights