AirHint found the following cheapest return flights from Toronto (YTZ) to Vienna (VIE) in May 2026 (see full year).

Return flights

04 May - 12 May	Air Transat
11 May - 17 May	Air Canada
12 May - 18 May	Air Canada
21 May - 28 May	United
21 May - 11 Jun	United
01 May - 22 May	United
09 May - 22 May	Porter Airlines (Canada) Ltd
14 May - 18 May	United
28 May - 01 Jun	United
15 May - 30 May	United
29 May - 05 Jun	Porter Airlines (Canada) Ltd

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

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 May from $670

Return flights