Cheapest return flights from Toronto to Sydney in December from $1574

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

06 Dec - 27 Dec WestJet
25 Dec - 20 Jan WestJet
04 Dec - 06 Jan United
09 Dec - 13 Jan Air New Zealand
29 Dec - 12 Jan WestJet
08 Dec - 27 Dec WestJet
04 Dec - 09 Jan United
10 Dec - 16 Jan Air New Zealand
05 Dec - 15 Jan WestJet
22 Dec - 06 Jan Air New Zealand
20 Dec - 11 Jan Air New Zealand
19 Dec - 23 Jan Air New Zealand

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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