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

Return flights

23 Sep - 25 Sep	Pegasus Airlines
23 Sep - 26 Sep	Pegasus Airlines
18 Sep - 25 Sep	Pegasus Airlines
23 Sep - 24 Sep	Pegasus Airlines
19 Sep - 25 Sep	Pegasus Airlines
19 Sep - 26 Sep	Pegasus Airlines
18 Sep - 24 Sep	Pegasus Airlines
20 Sep - 27 Sep	Pegasus Airlines
23 Sep - 30 Sep	Pegasus Airlines
30 Sep - 02 Oct	Pegasus Airlines
29 Sep - 02 Oct	Pegasus Airlines
18 Sep - 18 Sep	Pegasus Airlines
30 Sep - 07 Oct	KLM
30 Sep - 06 Oct	KLM
29 Sep - 03 Oct	KLM
30 Sep - 04 Oct	KLM
29 Sep - 04 Oct	KLM
28 Sep - 03 Oct	KLM
26 Sep - 03 Oct	Air France
28 Sep - 02 Oct	Austrian Airlines	direct

Also check the deals for one-way flights from Hannover to Vienna 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 Vienna in September from 181€

Return flights