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

Return flights

19 May - 27 May	Air Transat
05 May - 26 May	WestJet
12 May - 02 Jun	Air Transat
17 May - 28 May	WestJet
26 May - 10 Jun	Air Transat
05 May - 19 May	WestJet
05 May - 07 May	WestJet
18 May - 26 May	WestJet
05 May - 30 May	Air Transat
19 May - 31 May	Air Transat
07 May - 24 May	Air Transat
03 May - 19 May	Condor
19 May - 12 Jun	WestJet
06 May - 02 Jun	WestJet
30 May - 12 Jun	WestJet
12 May - 02 Jun	Air Canada	direct
13 May - 03 Jun	WestJet
26 May - 10 Jun	Air Canada	direct
20 May - 08 Jun	Condor
15 May - 07 Jun	WestJet

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 453€

Return flights