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

Return flights

24 Sep - 01 Oct	Pegasus Airlines
23 Sep - 24 Sep	easyJet
18 Sep - 21 Sep	Pegasus Airlines
22 Sep - 03 Oct	Vueling Airlines
29 Sep - 01 Oct	easyJet
29 Sep - 02 Oct	easyJet
29 Sep - 04 Oct	easyJet
29 Sep - 03 Oct	Vueling Airlines
22 Sep - 24 Sep	easyJet
29 Sep - 02 Oct	Austrian Airlines	direct
24 Sep - 25 Sep	easyJet
27 Sep - 30 Sep	easyJet
28 Sep - 02 Oct	Air Serbia
22 Sep - 13 Oct	Vueling Airlines
22 Sep - 26 Sep	Vueling Airlines
25 Sep - 30 Sep	easyJet
30 Sep - 04 Oct	easyJet
26 Sep - 30 Sep	Air Serbia
15 Sep - 18 Sep	Austrian Airlines	direct
21 Sep - 27 Sep	easyJet

Also check the deals for one-way flights from Geneva 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 Geneva to Vienna in September from $182

Return flights