Cheapest return flights from Calgary to Sydney in December from $1727

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

Return flights

24 Dec - 18 Jan WestJet
24 Dec - 29 Dec Air Canada
29 Dec - 19 Jan Air Canada
27 Dec - 10 Jan Flair Airlines
29 Dec - 11 Jan Qantas
16 Dec - 23 Dec Delta
18 Dec - 19 Jan United
28 Dec - 10 Jan Delta
30 Dec - 04 Jan WestJet

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

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