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

Return flights

08 Sep - 08 Oct	Condor
10 Sep - 17 Sep	WestJet
22 Sep - 09 Oct	Porter Airlines (Canada) Ltd
08 Sep - 07 Oct	WestJet
10 Sep - 25 Sep	Condor
14 Sep - 20 Sep	Condor
13 Sep - 23 Sep	WestJet
08 Sep - 15 Sep	Condor
09 Sep - 07 Oct	Condor
29 Sep - 05 Oct	Condor
25 Sep - 05 Oct	Condor
24 Sep - 05 Oct	Condor
29 Sep - 06 Oct	Porter Airlines (Canada) Ltd
11 Sep - 22 Sep	WestJet
17 Sep - 22 Sep	WestJet
11 Sep - 19 Sep	Condor
27 Sep - 07 Oct	Icelandair
13 Sep - 26 Sep	WestJet
25 Sep - 02 Oct	Air Canada
11 Sep - 20 Sep	Condor

Also check the deals for one-way flights from Toronto 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 Toronto to Vienna in September from 482€

Return flights