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

Return flights

01 May - 31 May	Air Canada
04 May - 24 May	Air Canada
01 May - 19 May	Air Canada
01 May - 01 Jun	WestJet
01 May - 22 May	Air Canada
22 May - 11 Jun	WestJet
16 May - 25 May	Air Canada
19 May - 03 Jun	WestJet
10 May - 17 May	Porter Airlines (Canada) Ltd
22 May - 30 May	Porter Airlines (Canada) Ltd
01 May - 03 May	Porter Airlines (Canada) Ltd
12 May - 19 May	Air Canada

Also check the deals for one-way flights from Toronto to Sydney 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 Sydney in May from 913€

Return flights