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

Return flights

30 Sep - 07 Oct	Lufthansa
04 Sep - 11 Sep	Lufthansa
13 Sep - 25 Sep	Air France
22 Sep - 07 Oct	Lufthansa
07 Sep - 11 Sep	Lufthansa
01 Sep - 06 Sep	Lufthansa
02 Sep - 09 Sep	Eurowings	direct
04 Sep - 11 Sep	Eurowings	direct
08 Sep - 13 Sep	Eurowings
23 Sep - 03 Oct	Eurowings
04 Sep - 15 Sep	Lufthansa
02 Sep - 11 Sep	KLM
06 Sep - 10 Sep	KLM
24 Sep - 07 Oct	Eurowings
27 Sep - 04 Oct	British Airways
30 Sep - 07 Oct	Eurowings	direct
20 Sep - 04 Oct	Lufthansa
28 Sep - 05 Oct	British Airways
21 Sep - 05 Oct	KLM
26 Sep - 05 Oct	British Airways

Also check the deals for one-way flights from Hannover 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 Hannover to Olbia in September from 233€

Return flights