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

Return flights

25 Sep - 30 Sep	Vueling Airlines
25 Sep - 01 Oct	Vueling Airlines
26 Sep - 01 Oct	Air Serbia
26 Sep - 28 Sep	Air Serbia
24 Sep - 30 Sep	easyJet
29 Sep - 06 Oct	easyJet
03 Sep - 07 Sep	Vueling Airlines
23 Sep - 25 Sep	Vueling Airlines
22 Sep - 30 Sep	Vueling Airlines
29 Sep - 02 Oct	easyJet
17 Sep - 23 Sep	easyJet
25 Sep - 29 Sep	easyJet
15 Sep - 19 Sep	easyJet
14 Sep - 16 Sep	easyJet
29 Sep - 10 Oct	Vueling Airlines
29 Sep - 17 Oct	Vueling Airlines
28 Sep - 05 Oct	easyJet
22 Sep - 10 Oct	Vueling Airlines
26 Sep - 03 Oct	Air Serbia
29 Sep - 06 Oct	Austrian Airlines	direct

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 109€

Return flights