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

Return flights

18 Aug - 10 Sep	Porter Airlines (Canada) Ltd
27 Aug - 24 Sep	Condor
26 Aug - 09 Sep	WestJet
25 Aug - 10 Sep	WestJet
25 Aug - 04 Sep	TAP
24 Aug - 04 Sep	WestJet
25 Aug - 05 Sep	TAP
26 Aug - 05 Sep	TAP
27 Aug - 10 Sep	TAP
28 Aug - 20 Sep	TAP
20 Aug - 27 Aug	Porter Airlines (Canada) Ltd
24 Aug - 31 Aug	WestJet
11 Aug - 19 Aug	Porter Airlines (Canada) Ltd
22 Aug - 30 Aug	Air Transat
17 Aug - 31 Aug	TAP
13 Aug - 31 Aug	TAP
19 Aug - 31 Aug	TAP
11 Aug - 18 Aug	Air Canada
22 Aug - 29 Aug	Air Transat
17 Aug - 26 Aug	TAP

Also check the deals for one-way flights from Toronto to Vienna in August.

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 August from 475€

Return flights