Cheapest return flights from Calgary to Sydney in December from 939€

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

Return flights

01 Dec - 08 Dec Air Canada
02 Dec - 27 Dec Air Canada
26 Dec - 05 Jan Air Canada
15 Dec - 12 Jan United
25 Dec - 03 Jan Qantas
20 Dec - 10 Jan United
15 Dec - 05 Jan Air Canada
21 Dec - 03 Jan WestJet
20 Dec - 03 Jan Qantas

Also check the deals for one-way flights from Calgary 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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