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

Return flights

08 Sep - 15 Sep	Qantas
05 Sep - 27 Sep	Jetstar
29 Sep - 22 Oct	Air Canada
29 Sep - 28 Oct	Air Canada
11 Sep - 14 Sep	Air Canada
10 Sep - 24 Sep	Air Canada
15 Sep - 24 Sep	Air Canada
25 Sep - 05 Oct	Air Canada
27 Sep - 05 Oct	Air Canada
07 Sep - 15 Oct	Air Canada
29 Sep - 12 Oct	Air Canada
14 Sep - 05 Oct	Air Canada
16 Sep - 06 Oct	Virgin Australia
24 Sep - 12 Oct	Virgin Australia
16 Sep - 30 Sep	Virgin Australia
17 Sep - 15 Oct	Air Canada

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

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 Sydney to Calgary in September from 855€

Return flights