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

Return flights

18 Sep - 22 Sep	Wizz Air UK
17 Sep - 18 Sep	Wizz Air UK
18 Sep - 25 Sep	Wizz Air UK
10 Sep - 17 Sep	Wizz Air UK
19 Sep - 22 Sep	Wizz Air UK
17 Sep - 24 Sep	Wizz Air UK
17 Sep - 20 Sep	Wizz Air UK
18 Sep - 24 Sep	Wizz Air UK
18 Sep - 21 Sep	Wizz Air UK
19 Sep - 21 Sep	Wizz Air UK
29 Sep - 06 Oct	Wizz Air Malta
23 Sep - 05 Oct	Ryanair
23 Sep - 05 Oct	Austrian Airlines	direct
19 Sep - 03 Oct	Eurowings

Also check the deals for one-way flights from Prague 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 Prague to Vienna in September from $132

Return flights