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

Return flights

17 Sep - 21 Sep	Wizz Air Malta
15 Sep - 17 Sep	easyJet
16 Sep - 17 Sep	easyJet
23 Sep - 24 Sep	Wizz Air Malta
23 Sep - 25 Sep	Wizz Air Malta
15 Sep - 18 Sep	easyJet
21 Sep - 24 Sep	Wizz Air
08 Sep - 10 Sep	easyJet
21 Sep - 25 Sep	Wizz Air
04 Sep - 18 Oct	Wizz Air Malta
08 Sep - 08 Oct	easyJet
16 Sep - 18 Sep	easyJet
29 Sep - 01 Oct	easyJet
25 Sep - 20 Oct	Wizz Air Malta
27 Sep - 04 Oct	Wizz Air Malta
29 Sep - 03 Oct	easyJet
26 Sep - 02 Oct	easyJet
26 Sep - 01 Oct	easyJet
30 Sep - 04 Oct	easyJet
26 Sep - 05 Oct	easyJet

Also check the deals for one-way flights from Basel 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 Basel to Vienna in September from $149

Return flights