Cheapest return flights from Toronto to Sydney in December from $1590

Best time to book flights for Toronto (YYZ) to Sydney (SYD) flights at AirHint

AirHint found the following cheapest return flights from Toronto (YYZ) to Sydney (SYD) in December 2025 (see full year).

Return flights

02 Dec - 12 Dec United
08 Dec - 15 Dec United
08 Dec - 12 Jan United
12 Dec - 01 Jan WestJet
23 Dec - 30 Dec Qantas
27 Dec - 04 Jan WestJet
29 Dec - 02 Jan Cathay Pacific
14 Dec - 31 Dec United
16 Dec - 09 Jan United
16 Dec - 03 Jan WestJet
19 Dec - 09 Jan Air Canada
21 Dec - 01 Jan Philippine Airlines

Also check the deals for one-way flights from Toronto to Sydney in December.

Skyscanner

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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